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DeepSeek V4.1 Flash DeepSeek GPT-5.6 Luna OpenAI
Input $0.30 $0.20
Output $1.20 $1.20
Blended $0.53 $0.45
Context window 1M 1.05M
Max output 384k 128k
Output speed 206.1 123.9
Quality 61.8 57.5
Reasoning 43.3 65.3
Coding 55.9 53.6
Value 28.9 31.3
Vision ✓ ✓
Reasoning ✓ ✓
Tool calling ✓ ✓
Structured output ✓ ✓
Prompt caching ✓ ✓
Batch API − ✓
Licence Proprietary Proprietary
API model id deepseek-flash gpt-5.6-luna

At a glance

Input price, per million tokens
  1. DeepSeek V4.1 FlashDeepSeek$0.30
  2. GPT-5.6 LunaOpenAI$0.20
Output price, per million tokens
  1. DeepSeek V4.1 FlashDeepSeek$1.20
  2. GPT-5.6 LunaOpenAI$1.20
Context window
  1. DeepSeek V4.1 FlashDeepSeek1M
  2. GPT-5.6 LunaOpenAI1.05M

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