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GPT-5.6 Luna OpenAI Mistral Large 4 Mistral AI Preview
Input $0.20 $0.50
Output $1.20 $1.50
Blended $0.45 $0.75
Context window 1.05M 1M
Max output 128k No data
Output speed 123.9 77.5
Quality 57.5 57
Reasoning 65.3 35
Coding 53.6 54.2
Value 31.3 18.7
Vision ✓ ✓
Reasoning ✓ −
Tool calling ✓ ✓
Structured output ✓ ✓
Prompt caching ✓ −
Batch API ✓ −
Self-hostable − ✓
Licence Proprietary Open weights
API model id gpt-5.6-luna mistral-large-4

At a glance

Input price, per million tokens
  1. GPT-5.6 LunaOpenAI$0.20
  2. Mistral Large 4Mistral AI$0.50
Output price, per million tokens
  1. GPT-5.6 LunaOpenAI$1.20
  2. Mistral Large 4Mistral AI$1.50
Context window
  1. GPT-5.6 LunaOpenAI1.05M
  2. Mistral Large 4Mistral AI1M

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