Claude Mythos 5.1 API pricing and agent cost
| Provider | Anthropic |
|---|---|
| Input | $10 / 1M tokens |
| Output | $50 / 1M tokens |
| Cached input | $0.25 / 1M tokens |
Limited availability: only for organizations verified through Anthropic's verification programs.
Source: https://platform.claude.com/docs/en/about-claude/pricing (checked 2026-10-25)
Example agent cost
An agent making 5 tool calls per task, with 3,000 input and 800 output tokens per call, running 100 tasks a day costs about $0.3500 per task, $35.00 per day, and $1,050.00 per month on Claude Mythos 5.1.
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