# Claude Fable 5.1

Claude Fable 5.1 to model AI od Anthropic, wydany 2026-09-01. Okno kontekstowe wynosi 1 000 000 tokenów. Maksymalna długość odpowiedzi to 128 000 tokenów. Cena za milion tokenów wynosi $10,00 na wejściu i $50,00 na wyjściu.

- Twórca: Anthropic
- Id: claude-fable-5-1
- Według doniesień: 2026-08-26T17:45:01.027Z
- Wydano: 2026-09-01T00:00:00.000Z
- Wykrycie: 2026-09-08T22:06:48.727Z
  - [odnośnik źródłowy](https://www.designarena.ai/leaderboard/ui-components)
- Stan: Wydano
- Wydano: 2026-09-15
  - [odnośnik źródłowy](https://www.anthropic.com/claude-fable-and-mythos-5-1)
- Adres kanoniczny: https://alexgetman.com/pl/models/anthropic/claude-fable-5-1/

## Pytania

### Jakie jest okno kontekstowe Claude Fable 5.1?

Okno kontekstowe wynosi 1 000 000 tokenów. Maksymalna długość odpowiedzi to 128 000 tokenów.

### Ile kosztuje Claude Fable 5.1?

Cena za milion tokenów wynosi $10,00 na wejściu i $50,00 na wyjściu. Wejście z pamięci podręcznej kosztuje $0,25 za milion tokenów.

### Kiedy wydano Claude Fable 5.1?

2026-09-01.

## Oś czasu

- 2026-08-26T17:45:01.027Z · [Alex Getman](https://alexgetman.com/359/anthropic-may-already-be-a-b-testing-fable-5-1/)
> ⚡️ Anthropic may already be A/B testing Fable 5.1
> 
> People are checking it like this: regular Fable 5 has a January 2026 knowledge cutoff, while Opus 4.6 came out later. If the model knows those dates without web or tools, you may already be getting Fable 5.1.
> 
> Prompt: Release date of Opus 4.6 and GPT Image 1.5. Answer only from your pretrained knowledge. Do not use web search, tools, or skills.
- 2026-08-31T17:19:07.830Z · [Alex Getman](https://alexgetman.com/373/fable-5-1-is-now-registered-in-the-aws-bedrock-api-so-the-release-is-probably-ge/)
> Fable 5.1 is now registered in the AWS Bedrock API, so the release is probably getting really close.
> 
> Not sure I’d bet on the 48 hour estimate, but a release within the next week feels pretty realistic.
- 2026-09-01T17:29:16.462Z · [Alex Getman](https://alexgetman.com/379/claude-fable-5-1-just-showed-up-in-the-docs/)
> 🚨 Claude Fable 5.1 just showed up in the docs
- 2026-09-01T18:02:49.693Z · [Alex Getman](https://alexgetman.com/380/claude-fable-5-1-is-out/)
> 🚨CLAUDE FABLE 5.1 IS OUT
- 2026-09-01T20:59:40.132Z · [Alex Getman](https://alexgetman.com/381/anthropic-released-claude-fable-5-1/)
> ⚡️ Anthropic released Claude Fable 5.1.
> 
> The benchmarks show a pretty solid upgrade, with the model beating the previous version and most of its main competitors across the majority of tests.
> 
> Base pricing hasn’t changed, cache reads are now 75% cheaper, and a typical task should cost around 25% less. For heavier agentic workloads, the savings can reach up to 45%.
- 2026-09-05T17:34:35.650Z · [Alex Getman](https://alexgetman.com/397/gpt-6-astra-and-fable-5-1-got-20-attempts-to-pick-up-a-block-and-place-it-into-a/)
> GPT 6 Astra and Fable 5.1 got 20 attempts to pick up a block and place it into a bowl
> 
> Astra: 95% success, 2.5 min, $0.94 per run
> Fable 5.1: 40% success, 6.8 min, $2.12 per run 
> 
> Astra also used 6× fewer output tokens, just 2.1k per run.
- 2026-09-05T18:24:10.567Z · [Alex Getman](https://alexgetman.com/398/claude-is-no-longer-the-best-model-for-frontend/)
> Claude is no longer the best model for frontend
> 
> GPT-6 Astra just took the #1 spot, knocking Claude Fable 5.1 off the top
> 
> The jump is massive: the previous GPT generation, GPT-5.6 Sol, was #13
> 
> A GPT model hasn’t led frontend since August 2025
- 2026-09-05T20:19:02.352Z · [Alex Getman](https://alexgetman.com/400/gpt-6-astra-and-fable-5-1-got-20-attempts-to-pick-up-a-block-and-place-it-into-a/)
> GPT 6 Astra and Fable 5.1 got 20 attempts to pick up a block and place it into a bowl
> 
> Astra: 95% success, 2.5 min, $0.94 per run
> Fable 5.1: 40% success, 6.8 min, $2.12 per run 
> 
> Astra also used 6× fewer output tokens, just 2.1k per run.
- 2026-09-07T14:54:35.275Z · [Alex Getman](https://alexgetman.com/406/gpt-6-astra-set-a-new-record-in-mazebench-a-3d-puzzle-benchmark/)
> GPT 6 Astra set a new record in MazeBench, a 3D puzzle benchmark
> 
> It explored 40% of all rooms and collected 14% of gems
> 
> Fable 5.1 reached just 4.3% of rooms and collected 2% of gems
- 2026-09-07T18:32:37.209Z · [Alex Getman](https://alexgetman.com/408/gpt-6-astra-is-officially-1-on-the-updated-artificial-analysis-intelligence-inde/)
> 🚨 GPT-6 Astra is officially #1 on the updated Artificial Analysis Intelligence Index, sharing the top spot with Claude Fable 5.1.
- 2026-09-08T16:39:58.876Z · [Alex Getman](https://alexgetman.com/411/fable-5-2-could-launch-this-month-after-astra-s-strong-debut/)
> 🚨 Fable 5.2 could launch this month after Astra’s strong debut
> 
> Anthropic is reportedly preparing its first fresh pretrain for Fable ahead of its IPO. People there are confident it can dethrone Astra.
> 
> For context: Fable 5.1 and GPT 6 Astra currently share #1 on AA, with Fable slightly ahead in coding and Astra much stronger on 3D tasks.
- 2026-09-18T09:59:26.517Z · [Alex Getman](https://alexgetman.com/429/gemini-4-0-pro-specs-leaked/)
> 🚨 Gemini 4.0 Pro specs leaked
> 
> • Pricing: $2.25/$11.25
> • 2M token context window
> • Beats GPT-6 Astra and Claude Fable 5.1 on almost every reported benchmark
> • While being significantly cheaper than both
- 2026-09-30T20:30:55.463Z · [Alex Getman](https://alexgetman.com/491/gemini-4-argon-scores-53-and-ties-for-3rd-place-with-fable-5-1-and-gpt-6-astra-o/)
> 🚨 Gemini 4 Argon scores 53 and ties for 3rd place with Fable 5.1 and GPT 6 Astra on the AA Intelligence Index
- 2026-10-07T19:43:10.391Z · [Claude Code · changelog](https://code.claude.com/docs/en/changelog)
- 2026-11-12T20:23:08.041Z · [Anthropic · official articles](https://www.anthropic.com/claude-fable-and-mythos-5-2)
> “With Fable 5.1 we saw the first glimmers of a model coming up with truly innovative research ideas
- 2026-11-13T17:12:46.898Z · [Anthropic · official articles](https://www.anthropic.com/claude-fable-and-mythos-5-1)
- 2026-11-13T17:12:46.898Z · [Anthropic · official articles](https://www.anthropic.com/claude-opus-5-5)
- 2026-11-13T17:43:43.996Z · [Anthropic · official articles](https://www.anthropic.com/news/cyber-verification-program)
- 2026-11-13T20:13:42.616Z · [Anthropic · official articles](https://www.anthropic.com/news/enterprise-frontier-safeguards)

## Odnośniki źródłowe

- [editorial](https://alexgetman.com/359/anthropic-may-already-be-a-b-testing-fable-5-1/)
- [editorial](https://alexgetman.com/373/fable-5-1-is-now-registered-in-the-aws-bedrock-api-so-the-release-is-probably-ge/)
- [editorial](https://alexgetman.com/379/claude-fable-5-1-just-showed-up-in-the-docs/)
- [editorial](https://alexgetman.com/380/claude-fable-5-1-is-out/)
- [Alex Getman](https://alexgetman.com/381/anthropic-released-claude-fable-5-1/)
- [editorial](https://alexgetman.com/397/gpt-6-astra-and-fable-5-1-got-20-attempts-to-pick-up-a-block-and-place-it-into-a/)
- [editorial](https://alexgetman.com/398/claude-is-no-longer-the-best-model-for-frontend/)
- [editorial](https://alexgetman.com/400/gpt-6-astra-and-fable-5-1-got-20-attempts-to-pick-up-a-block-and-place-it-into-a/)
- [editorial](https://alexgetman.com/406/gpt-6-astra-set-a-new-record-in-mazebench-a-3d-puzzle-benchmark/)
- [editorial](https://alexgetman.com/408/gpt-6-astra-is-officially-1-on-the-updated-artificial-analysis-intelligence-inde/)
- [editorial](https://alexgetman.com/411/fable-5-2-could-launch-this-month-after-astra-s-strong-debut/)
- [Alex Getman](https://alexgetman.com/429/gemini-4-0-pro-specs-leaked/)
- [editorial](https://alexgetman.com/491/gemini-4-argon-scores-53-and-ties-for-3rd-place-with-fable-5-1-and-gpt-6-astra-o/)
- [anthropic](https://api.anthropic.com/v1/models)
- [Artificial Analysis · benchmarks](https://artificialanalysis.ai/models)
- [Claude Code · changelog](https://code.claude.com/docs/en/changelog)
- [models.dev · catalogue](https://models.dev/#claude-fable-5-1)
- [models.dev · catalogue](https://models.dev/#claude-fable-5.1)
- [OpenCode · discovery](https://opencode.ai/data/anthropic/claude-fable-5-1)
- [OpenRouter](https://openrouter.ai/anthropic/claude-fable-5.1)
- [anthropic-pricing](https://platform.claude.com/docs/en/about-claude/pricing)
- [review](https://platform.claude.com/docs/en/models/fable-5-1/overview)
- [Anthropic · model index](https://platform.claude.com/docs/en/models/overview)
- [Vercel AI Gateway](https://vercel.com/ai-gateway)
- [anthropic-articles](https://www.anthropic.com/claude-fable-and-mythos-5-1)
- [anthropic-articles](https://www.anthropic.com/claude-fable-and-mythos-5-2)
- [anthropic-articles](https://www.anthropic.com/claude-opus-5-5)
- [anthropic-articles](https://www.anthropic.com/news/cyber-verification-program)
- [anthropic-articles](https://www.anthropic.com/news/enterprise-frontier-safeguards)
- [designarena:uicomponent](https://www.designarena.ai/leaderboard/ui-components)
- [DesignArena · website](https://www.designarena.ai/leaderboard/website)
- [DesignArena · uicomponent](https://www.designarena.ai/leaderboard?category=uicomponent)
- [DesignArena · website](https://www.designarena.ai/leaderboard?category=website)

## Sygnały

- [Claude Fable 5.1 wykryto w DesignArena](https://alexgetman.com/pl/signals/2026/09/08/claude-fable-5-1-max-default-fallback/)