Model comparison

Claude Sonnet 4.6 vs Mistral Medium 3.5

Compare Claude Sonnet 4.6 vs Mistral Medium 3.5 API pricing: input/output token costs, cache pricing, context windows, workload estimates, and routing fit.

Claude Sonnet 4.6

anthropic · claude-sonnet-4-6

Input
$3
Output
$15
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 Sonnet 4.6 has the larger context window at 1M tokens.

Choose Claude Sonnet 4.6 if...

  • Claude Sonnet 4.6 is safer for long documents, repository analysis, and RAG prompts because it has the larger context window.
  • Claude Sonnet 4.6 is stronger when the same large prompt or document is reused because it supports prompt caching.

Choose Mistral Medium 3.5 if...

  • Mistral Medium 3.5 is the better default for cost-sensitive traffic and repeated high-volume calls.
  • Mistral Medium 3.5 gives more room for long generated answers, reports, or code output.

Example workload cost

Estimates use input tokens plus 20% output tokens. They exclude provider discounts, cache hits, and tool/search surcharges.

Workload Claude Sonnet 4.6 Mistral Medium 3.5 Cheaper
1M input + 200K output $6.00 $3.00 Mistral Medium 3.5
10M input + 2M output $60.00 $30.00 Mistral Medium 3.5
100M input + 20M output $600.00 $300.00 Mistral Medium 3.5

Context, output, and capability fit

Claude Sonnet 4.6 provides the larger context window. Check max output separately when the task needs long reports, code generation, or full-document rewrites.

Claude Sonnet 4.6 max output
64K
Mistral Medium 3.5 max output
262.1K
Claude Sonnet 4.6 features
prompt caching, function calling, vision
Mistral Medium 3.5 features
function calling, vision

Risk notes for Claude Sonnet 4.6

  • No major capability risk is flagged in this snapshot, but provider pages should still be verified before production routing.

Risk notes for Mistral Medium 3.5

  • No prompt caching in this snapshot: repeated long-context calls may be more expensive.

Routing tags

frontierreasoningcodingagentsenterprise-ragcache-friendlyragmultimodalopen-weightenterpriselocal-open

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