Claude Mythos 5.1
Claude Mythos 5.1 is Anthropic's language model, starting at $10.00 / 1M input and $50.00 / 1M output. A large language model in Anthropic's Claude family designed for creative and narrative-oriented tasks.
Capabilities
Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·
Pricing by Provider
US Dollar ($)
Per 1M tokens
| Provider | Standard | Batch | |||||
|---|---|---|---|---|---|---|---|
| Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | Cache Write 5m $ / 1M | Cache Write 1h $ / 1M | Input $ / 1M | Output $ / 1M | |
| $10.00 | $50.00 | $0.25 | $12.50 | $20.00 | $5.00 | $25.00 | |
Cost Calculator
US Dollar ($)
Preset:
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| Claude Mythos 5.1 | — | — | $10.00 | $50.00 | Current |
| Claude Mythos 5 | — | 1.0M | $10.00 | $50.00 | Available |
Other Models
| Model | Tier | Released | Context | Input / 1M | Output / 1M |
|---|---|---|---|---|---|
| Claude Fable 5.1 | — | 1.0M | $10.00 | $50.00 | |
| Claude Opus 5 | Opus | 1.0M | $5.00 | $25.00 | |
| Claude Sonnet 5 | Sonnet | 1.0M | $2.00 | $10.00 | |
| Claude Fable 5 | Fable | 1.0M | $10.00 | $50.00 | |
| Claude Fable 5.3 | Fable | — | — | — | — |
| Claude Opus 4.8 | Opus | 1.0M | $5.00 | $25.00 | |
| Claude Opus 4.7 | Opus | 1.0M | $5.00 | $25.00 | |
| Claude Sonnet 4.6 | Sonnet | 1.0M | $3.00 | $15.00 | |
| Claude Opus 4.6 | Opus | 1.0M | $5.00 | $25.00 | |
| Claude Opus 4.5 | Opus | 410K | $5.00 | $25.00 |