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DeepSeek V4 Flash 0731 DeepSeek GPT-5 nano OpenAI Legacy
Input $0.12 $0.050
Output $0.24 $0.40
Blended $0.15 $0.14
Context window 1.05M 400k
Max output 944k 128k
Output speed No data 136.4
Quality No data 56
Reasoning No data 38.6
Coding No data 22.6
Value No data 100
Vision − ✓
Reasoning ✓ ✓
Tool calling ✓ ✓
Structured output ✓ ✓
Prompt caching ✓ ✓
Batch API − ✓
Licence Proprietary Proprietary
API model id deepseek-v4-flash-0731 gpt-5-nano

At a glance

Input price, per million tokens
  1. DeepSeek V4 Flash 0731DeepSeek$0.12
  2. GPT-5 nanoOpenAI$0.050
Output price, per million tokens
  1. DeepSeek V4 Flash 0731DeepSeek$0.24
  2. GPT-5 nanoOpenAI$0.40
Context window
  1. DeepSeek V4 Flash 0731DeepSeek1.05M
  2. GPT-5 nanoOpenAI400k

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