token.app › Compare › GPT-5.6 Terra Pro vs DeepSeek V4 Flash 0731

GPT-5.6 Terra Pro vs DeepSeek V4 Flash 0731

DeepSeek V4 Flash 0731 is 6.8× cheaper per token on a blended 3:1 basis. GPT-5.6 Terra Pro accepts the larger context window (1.1M).

Head to head
Blended price uses a 3:1 input:output mix
GPT-5.6 Terra ProDeepSeek V4 Flash 0731
ProviderOpenAIDeepSeek
Input $/1M$2.00$0.440
Output $/1M$12.00$1.32
Blended $/1M$4.50$0.660
Context window1.1M1.0M
Max output128K131K
ReleasedJul 2026Jul 2026
LicenceProprietaryOpen weights
Choose GPT-5.6 Terra Pro if…
  • Larger context window (1.1M)
Choose DeepSeek V4 Flash 0731 if…
  • Costs less per token — $0.660 vs $4.50 blended
  • Open weights — self-hostable
  • Newer model (released Jul 2026)
FAQ
Which is better, GPT-5.6 Terra Pro or DeepSeek V4 Flash 0731?
We do not hold independently-run benchmark scores covering both GPT-5.6 Terra Pro and DeepSeek V4 Flash 0731, so we make no quality claim. Their pricing and specifications are compared on this page.
Is GPT-5.6 Terra Pro cheaper than DeepSeek V4 Flash 0731?
DeepSeek V4 Flash 0731 is cheaper: $0.660 versus $4.50 per million tokens blended at 3:1 input:output. Input alone: $2.00 vs $0.440. Output alone: $12.00 vs $1.32.
What context windows do GPT-5.6 Terra Pro and DeepSeek V4 Flash 0731 have?
GPT-5.6 Terra Pro: 1,050,000 tokens. DeepSeek V4 Flash 0731: 1,048,576 tokens.
Who makes GPT-5.6 Terra Pro and DeepSeek V4 Flash 0731?
GPT-5.6 Terra Pro is made by OpenAI. DeepSeek V4 Flash 0731 is made by DeepSeek.
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