Claude Mythos 5 API pricing
Anthropic model · Anthropic on AIWiseRank
Short answer
Claude Mythos 5 by Anthropic costs $10 per 1M input tokens and $50 per 1M output tokens, with a 1M token context window.
Prices updated Oct 23, 2026 (APIpulse, CC BY 4.0) · Benchmarks: ARC Prize, Vals.ai · all models
Input$10 / 1M
Output$50 / 1M
Context1M
Blended (3:1)$20 / 1M
API cost calculator
Enter your monthly usage in millions of tokens (1M tokens ≈ 750,000 words).
Claude Mythos 5$200 / month$2,400 / year
Standard rates; batch processing and prompt caching can lower the bill.
Benchmarks
ARC-AGI-2 (reasoning)—
SWE-bench Verified (coding)—
Other Anthropic models
| Model | Input / 1M | Output / 1M |
|---|---|---|
| Claude Opus 5.5 | $4 | $20 |
| Claude Sonnet 5.5 | $2 | $10 |
| Claude Haiku 5.5 | $0.10 | $0.50 |
| Claude Fable 5.1 | $10 | $50 |
| Claude Fable 5 | $10 | $50 |
| Claude Opus 5 | $5 | $25 |
| Claude Sonnet 5 | $2 | $10 |
| Claude Opus 4.8 | $5 | $25 |
Frequently asked questions
How much does the Claude Mythos 5 API cost?
Claude Mythos 5 costs $10 per 1M input tokens and $50 per 1M output tokens. A workload of 10M input and 2M output tokens a month costs $200.
What is the context window of Claude Mythos 5?
Claude Mythos 5 supports a 1M token context window.