token.app › Compare › GPT-5.6 Luna Pro (batch) vs DeepSeek V4 Flash 0731

GPT-5.6 Luna Pro (batch) vs DeepSeek V4 Flash 0731

DeepSeek V4 Flash 0731 is 2.0× cheaper per token on a blended 3:1 basis. GPT-5.6 Luna Pro (batch) accepts the larger context window (1.1M).

Head to head
Blended price uses a 3:1 input:output mix
GPT-5.6 Luna Pro (batch)DeepSeek V4 Flash 0731
ProviderOpenAIDeepSeek
Input $/1M$0.100$0.090
Output $/1M$0.600$0.180
Blended $/1M$0.225$0.113
Context window1.1M1.0M
Max output128K384K
ReleasedJul 2026Jul 2026
LicenceProprietaryOpen weights
Choose GPT-5.6 Luna Pro (batch) if…
  • Larger context window (1.1M)
Choose DeepSeek V4 Flash 0731 if…
  • Costs less per token — $0.113 vs $0.225 blended
  • Open weights — self-hostable
  • Newer model (released Jul 2026)
FAQ
Which is better, GPT-5.6 Luna Pro (batch) or DeepSeek V4 Flash 0731?
We do not hold independently-run benchmark scores covering both GPT-5.6 Luna Pro (batch) and DeepSeek V4 Flash 0731, so we make no quality claim. Their pricing and specifications are compared on this page.
Is GPT-5.6 Luna Pro (batch) cheaper than DeepSeek V4 Flash 0731?
DeepSeek V4 Flash 0731 is cheaper: $0.113 versus $0.225 per million tokens blended at 3:1 input:output. Input alone: $0.100 vs $0.090. Output alone: $0.600 vs $0.180.
What context windows do GPT-5.6 Luna Pro (batch) and DeepSeek V4 Flash 0731 have?
GPT-5.6 Luna Pro (batch): 1,050,000 tokens. DeepSeek V4 Flash 0731: 1,048,576 tokens.
Who makes GPT-5.6 Luna Pro (batch) and DeepSeek V4 Flash 0731?
GPT-5.6 Luna Pro (batch) is made by OpenAI. DeepSeek V4 Flash 0731 is made by DeepSeek.
Related comparisons
GPT-5.6 Luna Pro (batch) full details DeepSeek V4 Flash 0731 full details GPT-5.6 Luna Pro (batch) vs Ling 3.0 Tiny (free) GPT-5.6 Luna Pro (batch) vs Muse Spark 1.2 GPT-5.6 Luna Pro (batch) vs Qwen3.8 Max GPT-5.6 Luna Pro (batch) vs DeepSeek V4 Flash Latest GPT-5.6 Luna Pro (batch) vs Inkling Small GPT-5.6 Luna Pro (batch) vs Qwen3.7 Flash