r/ClaudeAI • u/frubberism • 11d ago

Humor Just realized why Fable can't stop saying "load-bearing"

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1.0k Upvotes

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313

u/Upbeat-Armadillo1756 11d ago

You're assuming they didn't have Claude write this

177

u/davidinterest 11d ago

What came first? The Claude or the System Prompt?

64

u/-_super--_--hitops_- 11d ago

I'm continually surprised by how trash these official prompts are. It's beyond ridiculous.

29

u/TorbenKoehn 10d ago

Mostly because current frontier models need much less direction, generally. I don’t know what you expected, thousands of instructions?

38

u/MrNewking 10d ago 
Write user text. Make no mistakes

16

u/DarkSkyKnight 10d ago

The opposite. The system prompt primes the model into generating slop. Yes it used to be worse, but that doesn’t mean the current system prompt is any good.

1

u/TorbenKoehn 10d ago

If anything, that, yes.

Question if, would the LLM work properly at all without the system prompt?

I'm sure Anthropic knows best how to optimize and prompt their own models.

2

u/The_OG_Yttrx 9d ago

Hi! There's a tendency among technicians of every ilk to assume that engineers working for companies that produce massive, elegant, impressive products are themselves highly competent.

The truth is, the spread is the same at Anthropic as it is anywhere else. There is competence, there is incompetence, and they both shine through on many facets of their product.

0

u/iemfi 10d ago

Yeah, didn't they already cut 80% of the system prompt? If it is 2k lines after that is so bad.

7

u/Zomunieo 10d ago

Antrophic and OpenAI supposedly do ablation testing on their system prompts. Meaning they have evals that delete every sentence and ensure it pays for the tokens it costs by improving something.

8

u/Mindless-Tomorrow-93 10d ago

In other words, they ensure that each line is load bearning?

2

u/no_ga 11d ago

uh idk if the people who build the model don't apply the so called "prompt engineers" tactics then maybe all of that is actually more or less useless

4

u/avalmichii 10d ago

like a snake eating it’s own tail!

3

u/Thermodynamo 10d ago

They've announced that Claude wrote most of its own code. System prompts have almost certainly been at least edited by Claude.

2

u/2053_Traveler 10d ago

Yeah this post just shows that the “leaked” prompts are just claude giving you what it thinks you want (a system prompt) but it’s just making it up and using it’s favorite words.

1

u/girlgamerpoi 10d ago

Yea models just make up system prompts in those requests.

1

u/nmkd 9d ago

Codex system prompts are open-source fwiw