token.app › Compare › gpt-oss-20b (free) vs DeepSeek V4 Flash 0731

gpt-oss-20b (free) vs DeepSeek V4 Flash 0731

gpt-oss-20b (free) is free to use, against $0.113 per million tokens. DeepSeek V4 Flash 0731 accepts the larger context window (1.0M).

Head to head
Blended price uses a 3:1 input:output mix
gpt-oss-20b (free)DeepSeek V4 Flash 0731
ProviderOpenAIDeepSeek
Input $/1MFree$0.090
Output $/1MFree$0.180
Blended $/1MFree$0.113
Context window131K1.0M
Max output33K384K
ReleasedAug 2025Jul 2026
LicenceOpen weightsOpen weights
Choose gpt-oss-20b (free) if…
  • Costs less per token — Free vs $0.113 blended
Choose DeepSeek V4 Flash 0731 if…
  • Larger context window (1.0M)
  • Newer model (released Jul 2026)
FAQ
Which is better, gpt-oss-20b (free) or DeepSeek V4 Flash 0731?
We do not hold independently-run benchmark scores covering both gpt-oss-20b (free) and DeepSeek V4 Flash 0731, so we make no quality claim. Their pricing and specifications are compared on this page.
Is gpt-oss-20b (free) cheaper than DeepSeek V4 Flash 0731?
gpt-oss-20b (free) is cheaper: Free versus $0.113 per million tokens blended at 3:1 input:output. Input alone: Free vs $0.090. Output alone: Free vs $0.180.
What context windows do gpt-oss-20b (free) and DeepSeek V4 Flash 0731 have?
gpt-oss-20b (free): 131,072 tokens. DeepSeek V4 Flash 0731: 1,048,576 tokens.
Who makes gpt-oss-20b (free) and DeepSeek V4 Flash 0731?
gpt-oss-20b (free) is made by OpenAI. DeepSeek V4 Flash 0731 is made by DeepSeek.
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