Claude Mythos 5
Anthropic model that "shares Claude Fable 5's capabilities without the safety classifiers", for the most demanding reasoning and long-horizon agentic work; limited release through Project Glasswing, successor to Claude Mythos Preview.
text + image → text · made by Anthropic
Sold by 3 ways
| Seller | Lane | Rate |
|---|---|---|
| Anthropic api | batch | $5per Mtok in$25per Mtok outplatform.claude.com · read 2026-08-24 |
| Anthropic api | standard | $10per Mtok in$50per Mtok out$1per Mtok cached$12.5per Mtok cache writeplatform.claude.com · read 2026-08-24 |
| Microsoft Azure AI cloud | standard | $10per Mtok in$50per Mtok out$1per Mtok cached$12.5per Mtok cache writemodels.dev · read 2026-09-16 |
About
Claude Mythos 5 — a text model from Anthropic, sold by 2 companies from $10 in and $50 out per million tokens.
It takes text and images and returns text, with a context window of 1,000,000 tokens. It was published in June 2026, trained on material up to January 2026. Its sellers say it can reason step by step and call a tool. The catalogue files it under guard. Two companies sell it. The cheapest is $10 in and $50 out per million tokens at Anthropic. Beside the standard rate there is a batch lane.
Every current figure
- Maker
- Anthropic
- Register
- model
- Takes
- text + image
- Returns
- text
- Context
- 1,000,000 tokens
- Longest answer
- 128,000 tokens
- Published
- June 2026
- Knowledge to
- January 2026
- Licence
- not read
- Sellers
- 2
- Price
- $10 in and $50 out per million tokens — Anthropic
Known as 1 name
claude-mythos-5