Model comparison

Grok 4.3 vs Mistral Small 4

Compare Grok 4.3 vs Mistral Small 4 API pricing: input/output token costs, cache pricing, context windows, workload estimates, and routing fit.

Grok 4.3

xai · grok-4.3

Input
$1.25
Output
$2.5
Context
1M

Mistral Small 4

mistral · mistral/mistral-small-2603

Input
$0.15
Output
$0.6
Context
256K

Quick take

Mistral Small 4 has the lower input price at $0.15 per 1M input tokens. Mistral Small 4 is cheaper for the example blended workload below. Grok 4.3 has the larger context window at 1M tokens.

Choose Grok 4.3 if...

  • Grok 4.3 is safer for long documents, repository analysis, and RAG prompts because it has the larger context window.

Choose Mistral Small 4 if...

  • Mistral Small 4 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 Grok 4.3 Mistral Small 4 Cheaper
1M input + 200K output $1.75 $0.27 Mistral Small 4
10M input + 2M output $17.50 $2.70 Mistral Small 4
100M input + 20M output $175.00 $27.00 Mistral Small 4

Context, output, and capability fit

Grok 4.3 provides the larger context window. Check max output separately when the task needs long reports, code generation, or full-document rewrites.

Grok 4.3 max output
n/a
Mistral Small 4 max output
n/a
Grok 4.3 features
prompt caching, function calling, vision
Mistral Small 4 features
prompt caching, function calling, vision

Risk notes for Grok 4.3

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

Risk notes for Mistral Small 4

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

Routing tags

frontierreasoningcodingagentslong-contextmultimodalcache-friendlyragbudgetopen-weightenterpriselocal-open

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