claude-mythos-preview API Pricing
claude-mythos-preview on Anthropic costs $10.00 per 1M input tokens and $50.00 per 1M output tokens (as of ).
| Input | $10.00 / 1M tokens |
|---|---|
| Output | $50.00 / 1M tokens |
| Cached input (read) | $1.00 |
| Cache write | $12.50 |
| Batch input / output | — |
| Above 200K tokens (input / output) | — |
| Context window | 1M tokens |
| Max output | 128K tokens |
| Supports | vision, tool calling, reasoning, prompt caching |
| Deprecation date | |
| API model id | claude-mythos-preview |
| In our records since |
What it costs for common jobs
Estimated from the list price above (no caching or batch discount).
| Job | Estimated cost |
|---|---|
| 1,000 chat replies (2,000 tokens in, 500 out each) | $45.00 |
| Summarising 100 long documents (50,000 in, 1,000 out each) | $55.00 |
| 1 million classification calls (300 in, 5 out each) | $3250.00 |
Try your own numbers in the LLM API cost calculator.
Price history
No price change recorded since .
Similarly priced models
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|---|---|---|---|---|---|
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| claude-opus-4-7 | Anthropic | $5.00 | $25.00 | $0.50 | 1M |
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