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Grok 4.20 Reasoning xAI Mistral Medium 3.5 Mistral AI
Input $1.25 No data
Output $2.50 No data
Blended $1.56 No data
Context window 1M 256k
Output speed No data 155.5
Quality No data 43.1
Reasoning No data 44.3
Coding No data 53.6
Vision ✓ ✓
Reasoning ✓ −
Tool calling ✓ ✓
Structured output ✓ ✓
Prompt caching ✓ −
Batch API ✓ −
Self-hostable − ✓
Licence Proprietary Open weights
API model id grok-4.20-0309-reasoning mistral-medium-3-5

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  1. Grok 4.20 ReasoningxAI1M
  2. Mistral Medium 3.5Mistral AI256k

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