Anthropic · robot AI model
Claude Fable 5.2
United States · 2026
Sources retrieved: 9 November 2026 (A, B)
- Model type
- General-purpose modelSource and note: Model typeA platform.claude.com/docs/en/models/fable-5-2/overview · Retrieved 9 November 2026Note. Developer wording: “Claude Fable 5.2 is built for demanding reasoning and long-horizon agentic work.”
- Inputs
- Camera LanguageSource and note: InputsA platform.claude.com/docs/en/models/fable-5-2/overview · Retrieved 9 November 2026Note. Model page, Input → output: “Text and images → text” Images = camera, text = language.
- Access
- API onlySource and note: AccessA platform.claude.com/docs/en/models/fable-5-2/overview · Retrieved 9 November 2026Note. Model page, Specifications, Platforms: “Claude API”, Amazon Bedrock, Google Cloud, Microsoft Foundry and Claude Platform on AWS.
- Licence type
- PaidSource and note: Licence typeB anthropic.com/claude-fable-and-mythos-5-2 · Retrieved 9 November 2026Note. Announcement: Anthropic prices the model at “$8 per million input tokens and $40 per million output tokens”.
Specifications
5 of 14 stated 9 not stated
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- ASource
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Release1/1 disclosed
Released9 November 2026
Source and note: ReleasedB anthropic.com/claude-fable-and-mythos-5-2 · Retrieved 9 November 2026Note. [A] “November 9, 2026”
Input and output2/4 disclosed
Model typeGeneral-purpose model
Source and note: Model typeA platform.claude.com/docs/en/models/fable-5-2/overview · Retrieved 9 November 2026Note. Developer wording: “Claude Fable 5.2 is built for demanding reasoning and long-horizon agentic work.”
InputsCamera Language
Source and note: InputsA platform.claude.com/docs/en/models/fable-5-2/overview · Retrieved 9 November 2026Note. Model page, Input → output: “Text and images → text” Images = camera, text = language.
What it controlsNot stated
Source and note: What it controlsA platform.claude.com/docs/en/models/fable-5-2/overview · Retrieved 9 November 2026Note. Model page, Input → output: “Text and images → text”
Degrees of freedom controlledNot stated
Size and speed0/2 disclosed
ParametersNot stated
Control rateNot stated
Where it runs and what it is built on0/2 disclosed
On robot or cloudNot stated
Base modelNot stated
Openness2/3 disclosed
AccessAPI only
Source and note: AccessA platform.claude.com/docs/en/models/fable-5-2/overview · Retrieved 9 November 2026Note. Model page, Specifications, Platforms: “Claude API”, Amazon Bedrock, Google Cloud, Microsoft Foundry and Claude Platform on AWS.
Licence documentNot stated
Licence typePaid
Source and note: Licence typeB anthropic.com/claude-fable-and-mythos-5-2 · Retrieved 9 November 2026Note. Announcement: Anthropic prices the model at “$8 per million input tokens and $40 per million output tokens”.
The developer’s own claims0/2 disclosed
Learns new tasksNot stated
Source and note: Learns new tasksB anthropic.com/claude-fable-and-mythos-5-2 · Retrieved 9 November 2026Note. Anthropic's robotics claim: “even for robotics tasks on which it has never explicitly been trained”.
Works across robotsNot stated
Source and note: Works across robotsYes only if the developer itself says the model runs on different robot models, for example robots from two manufacturers or two of one manufacturer’s models. Several units of the same robot do not count.
Notes
Anthropic says Claude Fable 5.2 shows substantially improved skills in controlling physical robots, even for robotics tasks on which it has never explicitly been trained.
Claude Fable and Claude Mythos are the same underlying model; Anthropic offers Claude Mythos 5.2 only to organizations verified through its verification programs.
Anthropic released Claude Fable 5.2 on 9 November 2026.
Anthropic PBC has its registered address in San Francisco.
Sources
One line per source, not per figure: a source has one retrieval date.
- Aplatform.claude.com/docs/en/models/fable-5-2/overviewMain source. Retrieved 9 November 2026
- Banthropic.com/claude-fable-and-mythos-5-2Retrieved 9 November 2026
