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Claude Fable 5.2 (2026): price, specs and what it is for
Claude Fable 5.2 is Anthropic’s model released on November 9, 2026, priced at $8 per million input and $40 per million output tokens, with a 1M-token context window and 128K-token maximum output.
- Maker
- Anthropic
- Type
- Text
- Released
- 2026-11-09
- OpenRouter id
- anthropic/claude-fable-5.2
Per million tokens
Price
| - | Input | Output | Source |
|---|---|---|---|
| Anthropic — Standard | $8 | $40 | platform.claude.com |
| Anthropic — Fast mode | $16 | $80 | platform.claude.com |
| Via OpenRouter (anthropic/claude-fable-5.2) | $8 | $40 | openrouter.ai |
Checked
Facts, with sources
- Released on November 9, 2026 (Anthropic’s model page marks it "Latest").Source: platform.claude.com · checked 2026-11-13
- Anthropic describes it as "for demanding reasoning and long-horizon agentic work": hours-long agent tasks, multi-step deep research, and finished documents, spreadsheets and presentations.Source: platform.claude.com · checked 2026-11-13
- Context window 1M tokens; maximum output 128K tokens; text and image input, text output.Source: platform.claude.com · checked 2026-11-13
- Thinking is adaptive and always on, with default effort "high"; knowledge cutoff June 2026.Source: platform.claude.com · checked 2026-11-11
- API price $8 per million input tokens and $40 per million output tokens; fast mode $16 / $80; cache reads $0.20.Source: platform.claude.com · checked 2026-11-11
- Claude Fable 5.2 and Claude Mythos 5.2 are the same model; Fable blocks high-risk cybersecurity and biology requests, Mythos is limited to verified organisations.Source: anthropic.com · checked 2026-11-11
- The maker requires 30-day data retention for this model; zero data retention is not available unless Anthropic explicitly allows it.Source: platform.claude.com · checked 2026-11-11
- Anthropic recommends starting most work with Claude Opus 5.5 and moving to Fable 5.2 when Opus 5.5 at higher effort still falls short.Source: platform.claude.com · checked 2026-11-11
- Retirement not sooner than November 9, 2027.Source: platform.claude.com · checked 2026-11-11
- Listed on OpenRouter as anthropic/claude-fable-5.2 at the same price ($8 / $40 per million tokens).Source: openrouter.ai · checked 2026-11-11
Use it now
Chat
Nearest available
Models you can use now instead
Claude Opus 5.5
Anthropic$4 / $20 (per million tokens)
- Released on September 22, 2026.Source: anthropic.com · checked 2026-11-13
- Anthropic’s overview: "for long-running agentic coding and knowledge work".Source: platform.claude.com · checked 2026-11-13
- Listed on OpenRouter as anthropic/claude-opus-5.5 since September 22, 2026, at $4 / $20 per million tokens.Source: openrouter.ai · checked 2026-11-13
FAQ
Questions
When was Claude Fable 5.2 released?
Anthropic’s model page says it was released on November 9, 2026.
How much does Claude Fable 5.2 cost?
The API price is $8 per million input tokens and $40 per million output tokens, or $16 / $80 in fast mode, according to Anthropic’s model page.
How big is its context window?
1M tokens, with up to 128K output tokens. It takes text and images and answers in text.
Should I use Claude Fable 5.2 or Claude Opus 5.5?
Anthropic recommends starting most work with Claude Opus 5.5 and using Fable 5.2 when Opus 5.5 at higher effort still falls short. Opus 5.5 costs half as much.
Does Claude Fable 5.2 keep my data?
Anthropic’s model page says Fable 5.2 requires 30-day data retention and does not offer zero data retention unless Anthropic explicitly allows it.
Is this the official Claude website?
No. This is an unofficial page, not affiliated with or endorsed by Anthropic. Facts link to Anthropic’s own pages.