Claude Fable 5.2
Updated Nov 12, 2026. Checked daily. Last checked Nov 13, 2026.
Anthropic
Claude app, Pro plan ($20/month) or higher, choose Claude Fable 5.2.
Paid plan
- Cost
- Pro is $20/month, or $17 if billed yearly. API is $8 per million input tokens and $40 per million output.
- Free tier
- Not on the free plan. Fable requires a paid plan or API access.
- Privacy default
- Anthropic says Free, Pro, and Max chats are used for training only if you allow it, and you choose at signup. The toggle has been reported as on by default, so check it. Settings, then Privacy. Turn off Help improve Claude. Source
Apps that offer this model
- Cursor: Premium, $30/month, free tier yes, Technical. Source
- Claude Code: Pro, $20/month, free tier yes, Technical. Source
Where it ranks
Compare Claude Fable 5.2 with…
Leader history
- Nov 12, 2026. Claude Fable 5.2 overtook Claude Opus 5.5. Humanity's Last Exam 74.3%.
Questions
Is Claude Fable 5.2 good for reasoning, math & science?
Claude Fable 5.2 is the leader pick for reasoning, math & science. Leads the hardest expert-level exams across advanced mathematics, physics, and multidisciplinary scientific reasoning.
How much does Claude Fable 5.2 cost?
Pro is $20/month, or $17 if billed yearly. API is $8 per million input tokens and $40 per million output.
Does Claude Fable 5.2 train on my chats?
Anthropic says Free, Pro, and Max chats are used for training only if you allow it, and you choose at signup. The toggle has been reported as on by default, so check it. Settings, then Privacy. Turn off Help improve Claude.