Model comparison

Grok 4.20 Multi-Agent vs Mistral Medium 3

Compare Grok 4.20 Multi-Agent vs Mistral Medium 3 API pricing: input/output token costs, cache pricing, context windows, workload estimates, and routing fit.

Grok 4.20 Multi-Agent

xai · grok-4.20-multi-agent-0309

Input
$1.25
Output
$2.5
Context
1M

Mistral Medium 3

mistral · mistral/mistral-medium-2505

Input
$0.4
Output
$2
Context
131.1K

Quick take

Mistral Medium 3 has the lower input price at $0.4 per 1M input tokens. Mistral Medium 3 is cheaper for the example blended workload below. Grok 4.20 Multi-Agent has the larger context window at 1M tokens.

Choose Grok 4.20 Multi-Agent if...

  • Grok 4.20 Multi-Agent is safer for long documents, repository analysis, and RAG prompts because it has the larger context window.
  • Grok 4.20 Multi-Agent gives more room for long generated answers, reports, or code output.
  • Grok 4.20 Multi-Agent is stronger when the same large prompt or document is reused because it supports prompt caching.

Choose Mistral Medium 3 if...

  • Mistral Medium 3 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 4.20 Multi-Agent Mistral Medium 3 Cheaper
1M input + 200K output $1.75 $0.80 Mistral Medium 3
10M input + 2M output $17.50 $8.00 Mistral Medium 3
100M input + 20M output $175.00 $80.00 Mistral Medium 3

Context, output, and capability fit

Grok 4.20 Multi-Agent provides the larger context window. Check max output separately when the task needs long reports, code generation, or full-document rewrites.

Grok 4.20 Multi-Agent max output
1M
Mistral Medium 3 max output
8.2K
Grok 4.20 Multi-Agent features
prompt caching, function calling
Mistral Medium 3 features
function calling

Risk notes for Grok 4.20 Multi-Agent

  • 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

  • Smaller context window: long PDFs, codebases, or RAG prompts may need chunking.
  • No prompt caching in this snapshot: repeated long-context calls may be more expensive.

Routing tags

frontiermulti-agentagentsreasoninglong-contextragbudgetcodingopen-weightenterpriselocal-open

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