Model comparison
Claude Mythos 5.1 vs Mistral Medium 3.5
Compare Claude Mythos 5.1 vs Mistral Medium 3.5 API pricing: input/output token costs, cache pricing, context windows, workload estimates, and routing fit.
Claude Mythos 5.1
anthropic · claude-mythos-5-1
- Input
- $10
- Output
- $50
- Context
- 1M
Mistral Medium 3.5
mistral · mistral/mistral-medium-3-5
- Input
- $1.5
- Output
- $7.5
- Context
- 262.1K
Quick take
Mistral Medium 3.5 has the lower input price at $1.5 per 1M input tokens. Mistral Medium 3.5 is cheaper for the example blended workload below. Claude Mythos 5.1 has the larger context window at 1M tokens.
Choose Claude Mythos 5.1 if...
- Claude Mythos 5.1 is safer for long documents, repository analysis, and RAG prompts because it has the larger context window.
- Claude Mythos 5.1 gives more room for long generated answers, reports, or code output.
Choose Mistral Medium 3.5 if...
- Mistral Medium 3.5 is the better default for cost-sensitive traffic and repeated high-volume calls.
Example workload cost
Estimates use input tokens plus 20% output tokens. They exclude provider discounts, cache hits, and tool/search surcharges.
| Workload | Claude Mythos 5.1 | Mistral Medium 3.5 | Cheaper |
|---|---|---|---|
| 1M input + 200K output | $20.00 | $3.00 | Mistral Medium 3.5 |
| 10M input + 2M output | $200.00 | $30.00 | Mistral Medium 3.5 |
| 100M input + 20M output | $2,000.00 | $300.00 | Mistral Medium 3.5 |
Context, output, and capability fit
Claude Mythos 5.1 provides the larger context window. Check max output separately when the task needs long reports, code generation, or full-document rewrites.
- Claude Mythos 5.1 max output
- 128K
- Mistral Medium 3.5 max output
- n/a
- Claude Mythos 5.1 features
- prompt caching, function calling, vision
- Mistral Medium 3.5 features
- prompt caching, function calling, vision
Risk notes for Claude Mythos 5.1
- High output price: cap max tokens for verbose generation workloads.
Risk notes for Mistral Medium 3.5
- No major capability risk is flagged in this snapshot, but provider pages should still be verified before production routing.
Routing tags
frontierpremiumreasoningcodingagentslong-contextmultimodalcache-friendlymythos-classlimited-availabilityragopen-weightenterpriselocal-open