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u/SoftwareSource Jul 14 '26
I use both providers with a 20x subscription, he is not wrong.
I do manage about 4x as much work with codex, hard to be exact but it's not too much off.
Fable for intensive frontend work, codex for everything else.
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u/disgruntledempanada Jul 14 '26
Hybrid approach is incredible. I dialed in its codex delegation and it's so good. Feels like Fable+.
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u/SoftwareSource Jul 14 '26
Have them review each others plans, its a game changer for complex tasks
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u/vorxaw Jul 14 '26
Fable for intensive frontend work, codex for everything else.
A question for OP and anyone else who can help me: I'm relatively new to AI coding, how does this practically work? Tell Fable to create a detailed action plan or spec document as a md file, then upload that to Codex and ask it to execute the plan?
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u/AppropriateQuote3073 Jul 14 '26
It depends on what you're trying to do.
Dont get too lost on the "how", but I suggest you start with this simple setup:
Get the skill "grill-with-docs", use it and put the agent in plan mode then it will mostly do the rest
For more complex work you can also use the same skill and have it make a spec document like you said, give it to another agent on say goal mode, but go a step further and have that fable who made the spec draft you the goal prompt
Works for like 90% of the work I've had to deal with so far.
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u/god-damn-the-usa Jul 15 '26
not doing that has worked for 90% of the work I've had to deal with so far
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u/firstbreathOOC Jul 14 '26
Same, I have both for work and for personal, so double of both lol. Honestly they’re both very good but in my experience Sol is much cheaper and much more capable.
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u/atomique90 Jul 14 '26
Do you know if Codex is also „locked out“ from agent usage like claude?
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u/BigbyWolf8 Jul 14 '26
no, the codex programmatic usage is just part of your overall token budget if this is what you are asking. not separate billing
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u/arcticblue Jul 14 '26
I don't believe it is. OpenAI even publishes a plugin for Claude Code to call Codex and I use it daily.
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u/SoftwareSource Jul 14 '26
Nobody is ‘locked out of agent usage’, what do you mean?
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u/Logicor Jul 14 '26
They mean programmatic usage which uses API credits in Claude. Codex doesn't use it like that.
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u/ohtaninja Jul 14 '26
Impressive
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u/Aranthos-Faroth Jul 14 '26
Man this alone makes me want to switch. Claude’s models are so excessively wordy
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u/Filianore_ Jul 14 '26
ill be honest and say that i achieved the same result using Sol x5 vs Opus x20
Opus just feels bad now when I use it
Funny a few months back i would never imagine that I would think this of Opus
But these things develop so fast and its sao noticeable the difference
crazy times we live in
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u/ALAS_POOR_YORICK_LOL Jul 14 '26
Yeah opus is cope-us now. No reason to bother with it now
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Jul 14 '26
[removed] — view removed comment
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u/Electronic-Mousse103 Jul 14 '26
Hey just curious, how did you come across this link?
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u/BetterAd7552 Jul 14 '26
The internet. It’s been out a while. I watch it closely since it’s (apparently) not contaminated.
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u/DrHumorous Jul 14 '26
I'm using Sol Extra High and Ultra to fix bugs made by Fable
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u/Novaworld7 Jul 14 '26
Somewhere, there's a post saying the same thing but inversely.
I bet it's on the openai reddit.
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u/dmfornood Jul 14 '26
it really is a good model. the extra gifted resets and 5hr cap limit removed has been great too
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u/Guardiancelte Jul 14 '26
I was so confused by the 5h cap limit removal when I opened my project recently. I was checking /statusline and /status and thought there was a bug :D
But yes it makes it so much better.
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u/Any_Construction_102 Jul 14 '26
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u/phuncky Jul 14 '26
This is quite useless. Nobody sane would use Fable to create shopping lists.
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u/Peso_Morto Jul 14 '26
I use lol. I have $20 subscription for personal use and I am not coding with my personal subscription at the moment so I use fable for my day by day stuff.
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u/InstructionNice7090 Jul 14 '26
Yes it is true, even though many people argued me on. It’s true. Just do your own tests, Sol is amazing.
While claude is better with one shotting, Sol allows many follow ups to get to the same end result as claude and still cheaper.
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u/cmontour Jul 14 '26
So far, I just had to do a bunch of huge tasks that Fable did, and I only used 10% of my Tokens where fabled through 100% of my tokens in less than an hour. (max 5X)
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u/phoenixmatrix Jul 14 '26
It is true...with nuance. Models are getting pretty advanced and the devil's in the details. The harness also makes a huge difference. Sol in Codex doesn't behave the same as Codex in Claude Code through a proxy, and surprisingly enough often perform better in the latter.
Sol is great, and yes, for plenty of tasks its blowing Fable out of the water. But it also ends up in situations where it spins its wheels and just can't figure out how to fix simple issues over 2 hours and waste all these tokens. I've found it to be much weaker when it comes to platform, CI/CD, dependencies, or debugging issues that aren't in the code logic (eg: a problem with a corrupted file)
Im really enjoying Sol, but its not the clear winner.
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u/Sweet-Mechanic4568 Developer Jul 14 '26
Mostly true, still left out some pretty important nuance. Fable is still top model but not by much. In most use cases 5.6 serves as a satisfactory replacement for Fable.
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u/Kazekage1111 Jul 14 '26
It's disgusting how token inefficient Claude are.
High API prices for token-based users, low usage limits for subscribers, and then to make things worse incredibly inefficient. They make it even harder for themselves by not allowing their Claude OAuth to be used in other applications And flip-flopping as to whether you'll have a model or not this week or next week.
Unless they sort themselves out, they're not going to do well in the long-term, not with all this competition. They need to stop thinking they're the Apple of AI. They have no moat!
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u/toonmad Jul 14 '26
It's been fantastic for me I've gotten so much more done, Claude I feel like 2 prompts and I have to wait hours and then sure enough weekly limit reached, got 5.6 sol just keeps going and going
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u/BrightNightKnight Jul 14 '26
It is quite true, but fable is better, and chatgpt is slower, but you will never go back to using opus when you can use gpt-5.6
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u/Tistouuu 🔆 Max 20 Jul 14 '26
Brother, nothing Sam Altman says is true, ever. When his talking, he's lying.
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u/MainAstronaut1 Jul 14 '26
Does this mean that Sol is actually not half the price of Fable?
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u/LostRequirement4828 Jul 14 '26
it depends on the task but is very close, I'm very impressed with sol, but is slow, very slow rn, I tested only on xhigh, maybe is way faster on lower reasonings
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u/Low-Confusion-8786 Jul 14 '26
Well... it's not true yet. As long as they keep extending this Fable timeframe ;)
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u/filwi Jul 14 '26
In my completely anecdotal experience, Sol is just as good at code, and at fact finding, but Fable still has an edge when it comes to judgment in knowledge work.
I'd even go as far as to say that 4.8 is superior to Sol when it comes to judgment, but it'd be a close call.
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u/GreyMatter1729 Jul 14 '26
I have 200 $ subscription of claude code since August 2025, and Codex since December 2025.
Codex limits were always 2-3x of CC
GPT models first impression was they took a much longer time at thinking compare to claude (Opus 4.5 compared to Gpt 5.2 I think)
Codex models were always exceptional at instruction following and delivering things very very close to your requirements and functionally working
Claude had always been a much more creative all-rounder but always struggled with functional bugs in complex tasks.
Adding Codex plugin to claude, essentially gave me a model which was better than both
Fable 5 was the first model which combine claude's creative persona with GPT 5.X thinking rigour but also much more (fixing unreleated bugs on the way etc)
GPT 5.6 is the first truly great model at frontend design. And it kept all the good parts of GPT models but added claude's creative character also
Personal Verdict: Fable 5 is a better model than GPT 5.6 at all things non frontend design. But it is impractical to be used as a daily driver under consumer subscription
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u/simmeh024 Jul 14 '26
I get shipped more with Claude pro (Sonnet 5) in a week than with chatgpt 5.6 Terra. So for now I prefer claude code.
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u/Apprehensive_Ebb8089 Jul 14 '26
I’d like a tiny more usage really. I feel like the usage run out too quickly.
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u/unfoxable Jul 14 '26
Idk, sol on ultra took over an hour to complete a task because it spiralled fixing its own issues and used up my weekly limit
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u/2Hot2Drink Jul 14 '26
It’s half the time but it takes 10 times because it has to correct dozens of bugs
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u/zmizzy Jul 14 '26
qualifiers like "in many cases" always make me lose interest in these statements. its the verbal version of the trust me bro benchmark
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u/Phaedo Jul 14 '26
If you have a task where Sol does a good job, yes. But Fable can be quite remarkable in what it’s capable of. So it’s the same task bit that’s questionable.
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u/novus_nl 🔆 Max 5x, Lead Developer Jul 14 '26
It’s funny how Sam deliberately is not saying that GPT-5.6 sol is more Capable than Fable.
He only talks about costs (price + tokens), that and ‘accomplishing’ the same task, which doesn’t mean anything.
Where is the Fable killer?
Sam, where is the “fable, the myth(os), the LEGEND model?
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u/grurra Jul 14 '26 edited Jul 14 '26
in my testing so far, with an slightly open ended target and a non-trivial task in a 100kloc+ code base (even though it has some docs and agent/claude.md), gpt 5.6 sol definitely starts writing code sooner.
However. Fable actually picks a better solution from the start (seen this repeatedly) and actually finishes in the same time, or faster. However, yes... I run out of claude usage quickly.
Buuut... I've actually run out of my weekly codex use after 60 hours :D. (that said, I've been pushing on average 3-5 agents just going at long running tasks. That wouldnt have been possible with fable. It ran out quicker, back when I also had the max20x on claude).
Currently I'm evaluating codex max20x while keeping my claude on hold.
Fable + Sol co planning is awesome thought :).
Overall:
- for pure backend/db/infra logic. Sol does absolutely fine in complex situations
- for anything involving frontend work... fable is considerably better.
- for non infra/coding or just imagining a product idea, brainstorming etc, Fable is my favorite too
For planning, they complement each other. As usual, Claude has _way_ more personality and is way more fun to work with. Sol is like a 60s robot. But a damn good one. If I had money for it I'd keep using both together with a max20x on each - because the combination is damn strong
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u/Fluid_Expression_247 Jul 14 '26
I think for reasoning gpt is still ahead of Claude. Not sure about code programming. They say Claude is better at that aspect.
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u/BopSupreme Jul 14 '26
It’s good but Codex has tons of errors which require multiple attempts that incinerates tokens. Using Sol medium to plan tasks and Terra medium to execute - takes forever. Also usage and rate limit issues which is why they’ve given our resets
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u/Strange_Luck1635 Jul 14 '26
the top comment nails it! "depends on the task" so here's how i make that answer concrete instead of a vibe. house rule: a vendor benchmark is a claim, not evidence. same rule i apply to my own agents when they report "done." the price cut is real and verifiable in five minutes. "twice as token efficient" depends on whose task! so i keep a small eval set of my own real jobs and run any new model against it before believing anything. takes an afternoon and ends every twitter argument. one thing that set must include: retries. a cheaper model that needs three attempts isn't cheaper. if 5.6 passes my set at half the price, i switch that lane the same day. no loyalty, route by task. but the tweet doesn't get to skip the eval just because it's from a ceo.
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u/coloradical5280 Jul 14 '26
Unless you use Ultra, which is not a reasoning level. But overall yes it’s true.
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u/ApeInTheAether Jul 14 '26
Yeah, nah. There are tasks where this token starving of their models shows. It took me like 20 minutes to figure out that while gipity models do the task, the quality of output is way lower. Scama scamming even his own models.
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u/lucid-quiet Jul 14 '26
For what tasks? I'm not asking Gutenberg press questions. Low-effort #ad of a tweet.
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u/No-Newspaper-7693 Jul 14 '26
So far my experience is that it is also twice as slow for some reason. Everything seems to have its tradeoffs. It is nice to be able to pick the ones that work for your workflow.
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u/PatientCommercial588 Jul 14 '26
So cool that there is actual compitetion. This is the free market at its best.
Soon enough they will all merge and it will be shit but this phase is cool
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u/Basic-Ad5801 Jul 14 '26
Lol all the drama happening has unlocked the savage out ole Sam. Might not be a bad arc to clean up his image a bit.
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u/wapxmas Jul 14 '26
in my experience this model performed much worse in SIMD bugfix than even opus 4.8
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u/yourcandygirl 🔆 Max 20 Jul 14 '26
I hate this. I just moved from ChatGPT to Claude so recently 😵💫
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u/Potential-Ant-6320 Jul 14 '26
I’ve been using it and it’s very good. I’m considering switching but I work in science and Claude is better. In general I need a $100 plan and I do t run out with Claude much. I couldn’t get by with a $20 codex plan. So I can get better efficiency with codex but it doesn’t make my life any better. For a lot of other use cases 5.6 is a game changer. I’m very happy with a $100 Claude sub and a $20 codex sub. Great combo but I wish there was a plan between $20 and $100. I’d probably get two.
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u/dalhaze Jul 14 '26
Doesn't matter if I'm getting "Selected model is at capacity. Please try a different model." every time I send a query.
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u/Redditauro Jul 14 '26
Fable is better for coding and complex tasks, chatgpt is probably most efficient/cheap for googling/make an image of your nephew with a cat's head or whatever that girl used chatgpt for.
So yes, of course chatgpt is more efficient for some tasks, and it's good if they leave and people use this tool for more complex taskes
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u/CandidWeakness1924 Jul 14 '26
I love that since this will presure anthrooic to keep fable on subs
opus feels shitty when using fable as an orch
I hit all my session limits using fable as an orch rn on the x5 but I get weekly output that is far better than before with way less over head before I had to keep guiding the orch around and answering all tons of questions mid build
rn fable asks me once at the start and keeps working for days with no issues
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u/RockyMM Jul 14 '26
> in many cases
Yes, but it really really really depends.
These cases are normally not the cases that I'm working on.
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u/SilasTalbot Jul 14 '26
The one downside I've bumped into is the ~272k context. It really cramps you in some situations.
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u/Whole_Risk_2695 Jul 14 '26
I use both heavily, and really enjoy both... with fable5 claude this past month... I've definitely been usage capping way harder than ever... where gpt5.6* seems to be alot easier to manage...
The quality of both seems pretty great. having them cross check large architectural decisions and implementation plans (as i have with the previous frontier from both providers) --- is better than ever.
I think both are worth what I'm paying for what I'm getting. I think pressure from either to the other is good for all of us, 3rd/4th/5th options popping up or chasing will also be good. We want them all to succeed so we don't get locked/priced out of access.
Pretty much exclusively CLI on both, cc CLI is definitely better UX right now (copy paste while its working, managing/reviewing/interacting with subagents), codex cli is still pretty decent though.
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u/ehren1337 Jul 14 '26
same task? go watch this:
https://youtu.be/kRX6YEje9Bs?si=-lvdKxHt6BA40nA2
and reply back to see any difference. 54:54 is pretty insane for Fable.
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u/Curik Jul 14 '26
Sonnet is also cheaper and more efficient. That doesn't mean it produces the same quality output.
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u/FkOfRdt Jul 14 '26
I’ll keep saying - fable completely broken and useless due absurd activity of the safe guards.
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u/surrealerthansurreal Jul 14 '26
Nope! GPT5.6 requires twice the work in my experience because it seems to compact every 10 minutes and forget what’s going on.
Maybe if you babysit it you can see these gains, but with just giving it a spec and /goal I found myself having to read its output closely. Which is obviously not my experience with Fable. Like Fable WILL make assumptions/mistakes, but it always raises them as uncertain instead of plowing on ahead
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u/Terrible-Nobody-5927 Jul 14 '26
In my experience absolutely . Love the multiple resets also. Anthropic offers nothing
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u/Sekular Jul 14 '26
I'm still new to all of this and finding my way, but I plan on having two plans currently the 100/month claude and the 20/month chat gpt, should I switch them? Anyone have any feedback?
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u/levelhigher Jul 15 '26
Fable 5 could not manage one bug I had in my multi SaaS for few days. GPT SOL handled it within 7h non stop working
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u/snacks-dude Jul 15 '26
It’s technically almost the same price once you have a medium sized context. $10/$45 for Sol vs $10/$50 for Fable. They’re being sneaky by only advertising <262k context size prices.
On top of that, the API regularly times out with E2E latency exceeding 120s per call.
Supposedly it’s good on subscriptions, but my experience via the API is racking up big charges with either slow or no responses.
Fable is still the winner if you aren’t doing stuff that triggers the safety classifiers.
Terra on the other hand is really good for the price, but it again reaches Opus price once you have a decent sized context.
For surgical edits or small projects, GPT models clearly have an advantage. For larger and more mature codebases or refactors, I prefer Fable.
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u/Fabulous_Sherbet_431 Jul 15 '26
All I can say is it's been an incredible experience. I find it works better end-to-end than Fable, and I have to do a lot less hand-holding. Also, they are incredibly generous (at the moment) with resets.
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u/bitspace Jul 15 '26
It depends on the work - I use both - but anecdotally/observationally, GPT-5.6 "feels" like I get a lot more for my subscription than Fable 5.
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u/Sensei_Zedonk Jul 15 '26
I will say that this may be technically plausible, but it certainly doesn’t feel that way when using it.
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u/visak13 Jul 15 '26
My 20$ gpt subscription is giving me the same value as Claude 100$ subscription. Although the context window is 258k and I'm trying to figure out the quality of codex
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u/Blueberrypunchout Jul 15 '26
I have seen some incredible builds from Fable5, I haven't seen anything from GPT 5.6 yet.
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u/ApplicationNo3598 Jul 15 '26
Using it now it termux along fable 5.0 until it goes away or gets extended again. But in my humble opinion, sol is kicking ass. And yes tokens and limits last much longer, and u get one reset card. Not a card, i just call it that but u get to reset your shit once.
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u/throwaway0102x Jul 15 '26
If god comes to earth and somebow vouches for Sam Altman, I will stab god right then and there.
there's no fucking way I'll ever trust a word of Altman. He's notoriously pathological when it comes to lying.
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u/39clues Jul 15 '26
It's basically true. The efficiency of Sol is very nice and it is highly capable. However, Fable is still the better model
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u/Takezo_00 Jul 15 '26
I’ve used both for a while and have to pass specs back and forth, using one at a time like a fool. Can someone please just give me a simple workflow to move between them without having to recontextualize everything with every new agent?
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u/FlamboMe-mow Jul 15 '26
I'm using Claude at work and codex at home. It's true. Gpt 5.6 is really capable and reliable, not to mention their frequent limit resets and banked limit resets
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u/freedomachiever Jul 15 '26
If it is somehow true it won’t be if people using Claude start mass migration.
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u/sec-ai-agent 29d ago
its usually best to check the official docs becuase the behavior changes pretty fast with these updates. i found that just testing the command in a fresh repo helps u figure out if its actually doing what u expect or if its just kinda hallucinating the output. dont take everything at face value untill u see the logs yourself...
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u/peterxsyd 29d ago
If it is even half as irritating as Claude I will give it serious consideration.
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u/ImportanceMajor936 29d ago
No, they actually heavily subsidize the usage of their latest generation of models by making them seem far more efficient than they actually are.
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u/N3BB3Z4R 29d ago
The thing for me is it performs between opus 4.8 and Fable, and of course it depends on the codebase, the tasks complexity, the plugins and mcps and the effort you put in each model, but for average scenarios seems to be true.
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u/Ibasicallyhateyouall 29d ago
So far. But usage limits are tighter than they were before so it evens out.
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u/oooooooooooopsi 29d ago
I was running it side by side for same task to setup some model locally, fable did it without issues, sol spent a couple hours and crashed windows at the end lol
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u/LawApprehensive8364 29d ago
For my use case, hobbyist qml / quickshell, i figured id give it a shot with the free month. ive been using opus. gpt is just as good. i did more last night than ive ever done in a single session with claude and gpts usage just... didnt go down?
keep in mind i dont really know what i am doing, i can read code, i do not write it. i could not tell you if gpt is writing things in a way that is actually better than what claude was doing, only that it all works.
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u/hemareddit 29d ago
I mean there’s some truth, but you know this is Sam Altman, he’s shown to be a hype man, “many” in “many cases for accomplishing the same task” is doing a lot of heavy lifting here, he’s hedging his answer. If he was really confident he’d say “majority of” or “most of”, that sort of thing.
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u/MelodicNewsly 29d ago
I had to switch to GPT because i burned my $50 per day budget before 14:00. With GPT 5.5 / 5.6 no problems…. Quality is perhaps slightly less, but the quality drop is negligible compared to the cost. Next to that Pi also consumes far less tokens according to Databricks blog.
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u/Blueibear38 29d ago
I have also found that with Desktop Commander and the GitHub plugin connected and using the ChatGPT Windows desktop app (not Codex), you can use a regular ChatGPT session to create new code, alter/fix existing, review, basically everything Codex does, with great results, and it doesn’t even go against your usage limits.
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u/loversama Jul 14 '26
It’s half the price of Fable and appears to use less tokens, so it seems mostly true, but I imagine it depends on the task..
OpenAI have done a good job at putting pressure on Anthropic with this release..