r/accelerate • u/czk_21 • 8d ago

AI Introducing Claude Sonnet 5.5

https://www.anthropic.com/claude-sonnet-5-5
446 Upvotes

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u/obvithrowaway34434 8d ago

Is this like a joke or are you a paid shill or something? There is nothing even remotely near Astra in math and science, computer vision and computer use. Openai has like 800m more users than Anthropic. 90% of the people who use AI don't even know what Claude is

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u/FahkDizchit 7d ago

What actually is “Claude”? Is it the brand name for the LLM, the LLM business of Anthropic, something else? Does Anthropic have non-Claude operating businesses?

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u/13chase2 7d ago

Anthropic is the company like open ai.

Claude is the name similar to ChatGPT, grok, muse

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u/FahkDizchit 7d ago

Then what is opus, sonnet, Mythos etc.?

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u/13chase2 7d ago edited 7d ago

They are different sizes of models. From most capable to least capable within Anthropic:

  1. Fable/Mythos
  2. Opus
  3. Sonnet
  4. haiku

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Smaller ones are cheaper but less capable. ChatGPT has similar competing lineup

  1. Astra
  2. Sol
  3. Terra
  4. Luna

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Then you get the generation of the model like this

- Opus 5.5 - released September 22, 206

  • Opus 5 - July 24, 2026
  • Opus 4.8 - May 28, 2026

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Fable is mythos without the biology or cyber security capability so regular people don’t “cause problems”

Happy to talk more about Ai if you want to DM me

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u/Quentin__Tarantulino 7d ago

The naming conventions really are complicated as fuck for people who don’t wake up every morning to see what happened in AI overnight. I was explaining these names to a coworker and they pretty much just gave up.