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Claude Fable 5

anthropic.com

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Re: Claude Fable 5

#521
is it just me, or this model is simply not available in cc?

the opus 4.8 I assumed wasnt available to enterprise seats, but it explicitly says cc that fable is available in cc. I can't find it, and im on latest version.

Re: Claude Fable 5

#523

Fable is 2x latest Opus: ┌─────────────────┬──────────────┬───────────────┬────────────────────┬──────────────────────┐ │ Model │ Input ($/MTok)│ Output ($/MTok)│ Batch Input (−50%) │ Batch Output (−50%)│ ├─────────────────┼──────────────┼───────────────┼────────────────────┼──────────────────────┤ │ Haiku 4.5 │ $1.00 │ $5.00 │ $0.50 │ $2.50 │ │ Sonnet 4.6 │ $3.00 │ $15.00 │ $1.50 │ $7.50 │ │ Opus 4.7 │ $5.00 │ $25.0…

(I fixed (er, literally!) the formatting of your table there. I hope that's ok. Formatting info, such as it is, at https://news.ycombinator.com/formatdoc)

Re: Claude Fable 5

#524
I dont get why Opus 4.7, 4.8, and now Fable all stopped supporting structured outputs? Does no one else care about that? I find it incredibly useful to reliably pass LLM output directly to other APIs/libraries

Re: Claude Fable 5

#529
post #296

> In light of the ability of recent models to accelerate their own development, we’ve implemented new interventions that limit Claude’s effectiveness for requests targeting frontier LLM development (for example, on building pretraining pipelines, distributed training infrastructure, or ML accelerator design). Using Claude to develop competing models already violates our Terms of Service, but enforcing this restrictio…

This makes me want to see China and open models succeed more than anything :)

Do you want anyone in the world to be able to synthesize dangerous viruses?

Re: Claude Fable 5

#530

Fable is 2x latest Opus: ┌─────────────────┬──────────────┬───────────────┬────────────────────┬──────────────────────┐ │ Model │ Input ($/MTok)│ Output ($/MTok)│ Batch Input (−50%) │ Batch Output (−50%)│ ├─────────────────┼──────────────┼───────────────┼────────────────────┼──────────────────────┤ │ Haiku 4.5 │ $1.00 │ $5.00 │ $0.50 │ $2.50 │ │ Sonnet 4.6 │ $3.00 │ $15.00 │ $1.50 │ $7.50 │ │ Opus 4.7 │ $5.00 │ $25.0…

I had Claude straighten it out:

  Model           In     Out    BIn    BOut
  Haiku 4.5   $ 1.00  $ 5.00  $0.50  $ 2.50
  Sonnet 4.6  $ 3.00  $15.00  $1.50  $ 7.50
  Opus 4.7    $ 5.00  $25.00  $2.50  $12.50
  Opus 4.8    $ 5.00  $25.00  $2.50  $12.50
  Fable 5     $10.00  $50.00  $5.00  $25.00
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