HomeModelsMistral Large 3.1 (256k)

Mistral Large 3.1 (256k)

Mistral AI 256K context Released: 2026-05

Mistral's refreshed flagship with a 256K window, stricter JSON mode and EU data residency through La Plateforme. The default pick for European teams with GDPR locality requirements.

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Pricing Information

Input Pricing

Standard:$2.0000
Per 1,000 tokens
Cached:$0.2000
Per 1,000 tokens (cached requests)

Output Pricing

Standard:$6.0000
Per 1,000 tokens

Example Costs

Short Conversation
1K input + 500 output tokens
$5.0000
Book Analysis
50K input + 2K output tokens
$112.00

Token Calculator

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Input Cost:$0.00
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Key Features

  • 256K token context window
  • EU data residency
  • Reliable structured output and JSON mode
  • Strong function calling
  • Open-weight sibling available

Common Use Cases

  • European enterprise AI
  • Structured extraction
  • Function-calling agents
  • Regulated industries

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Frequently Asked Questions

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How does Mistral AI differentiate its commercial models (e.g., Mistral Large 2) from its open-weight models?