Claude Mythos 5.2
- In Input modalities: TextImage Out Output modalities: Text
- Reasoning
- Tool use
- Structured output
Prices
1 offering · prices as listed Claude API (opens in a new tab)
claude-mythos-5-2| Conditions/ 1M tokens | Input | Cache read | Cache write | Output | |
|---|---|---|---|---|---|
| 5-minute cache | 1-hour cache | ||||
| Standard | $8.00 | $0.20 | $10.00 | $16.00 | $40.00 |
| Batch | $4.00 | — | — | — | $20.00 |
Prices from Claude API pricing (opens in a new tab) (checked Nov 9, 2026)
Standard: the price a request with no conditions pays (the headline price elsewhere on the site).
Details
- Knowledge cutoff
- Jun 2026
- Family
- claude-mythos
- Model ID
Not stated on Anthropic’s pages: max input, max thinking budget, built-in tools, aliases.
Cited scores
From third-party leaderboards, not measured by usThis model isn’t on any leaderboard we cite yet.
News
All news →- Nov 9, 2026Release Anthropic launches Claude Fable 5.2 and Claude Mythos 5.2 Anthropic launched Claude Fable 5.2, available on the Claude API, Claude Platform on AWS, and Claude Models on Google Cloud. Claude Mythos 5.2 offers the same capabilities only to organizations verified through Anthropic’s verification programs; both models have a 1 million token context window, 128,000 max output tokens, and cost $8 per million input tokens and $40 per million output tokens.
Changes
All changes →- New language model
Sources
- Claude Platform release notes (opens in a new tab) platform.claude.com · checked Nov 9, 2026
- Claude API pricing (opens in a new tab) platform.claude.com · checked Nov 9, 2026
- Programmatic tool calling (opens in a new tab) platform.claude.com · checked Nov 9, 2026
- Claude Mythos 5.2 model overview (opens in a new tab) platform.claude.com · checked Nov 9, 2026
- Structured outputs (opens in a new tab) platform.claude.com · checked Nov 9, 2026
Anthropic’s official policies: data use, privacy, terms →
Anthropic · United States · anthropic.com
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