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GPT-4.1 nano OpenAI Deprecated GPT-6 Luna OpenAI
Input $0.10 $0.10
Output $0.40 $0.50
Blended $0.18 $0.20
Context window 1.05M 1.05M
Max output 33k 128k
Output speed 236.2 121.6
Quality 29.3 58
Reasoning 27.5 38.5
Coding 9.6 54.6
Value 41.1 71.2
Vision ✓ ✓
Reasoning − ✓
Tool calling ✓ ✓
Structured output ✓ ✓
Prompt caching ✓ ✓
Batch API ✓ ✓
Licence Proprietary Proprietary
API model id gpt-4.1-nano gpt-6-luna

At a glance

Input price, per million tokens
  1. GPT-4.1 nanoOpenAI$0.10
  2. GPT-6 LunaOpenAI$0.10
Output price, per million tokens
  1. GPT-4.1 nanoOpenAI$0.40
  2. GPT-6 LunaOpenAI$0.50
Context window
  1. GPT-4.1 nanoOpenAI1.05M
  2. GPT-6 LunaOpenAI1.05M

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