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GPT-5.6 Luna OpenAI Kimi K3 Moonshot AI
Input $0.20 No data
Output $1.20 No data
Blended $0.45 No data
Context window 1.05M 1M
Max output 128k No data
Output speed 123.9 37.9
Quality 57.5 62.6
Reasoning 65.3 70.2
Coding 53.6 59.5
Value 31.3 No data
Vision ✓ −
Reasoning ✓ ✓
Tool calling ✓ ✓
Structured output ✓ −
Prompt caching ✓ −
Batch API ✓ −
Licence Proprietary Proprietary
API model id gpt-5.6-luna kimi-k3

At a glance

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  1. GPT-5.6 LunaOpenAI1.05M
  2. Kimi K3Moonshot AI1M

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