token.app › Compare › gpt-oss-20b (batch) vs DeepSeek V4.1 Flash 1017

gpt-oss-20b (batch) vs DeepSeek V4.1 Flash 1017

gpt-oss-20b (batch) is 5.7× cheaper per token on a blended 3:1 basis. DeepSeek V4.1 Flash 1017 accepts the larger context window (1.0M).

Head to head
Blended price uses a 3:1 input:output mix
gpt-oss-20b (batch)DeepSeek V4.1 Flash 1017
ProviderOpenAIDeepSeek
Input $/1M$0.024$0.150
Output $/1M$0.112$0.600
Blended $/1M$0.046$0.262
Context window131K1.0M
Max output118K393K
ReleasedAug 2025Oct 2026
LicenceOpen weightsOpen weights
Choose gpt-oss-20b (batch) if…
  • Costs less per token — $0.046 vs $0.262 blended
Choose DeepSeek V4.1 Flash 1017 if…
  • Larger context window (1.0M)
  • Newer model (released Oct 2026)
FAQ
Which is better, gpt-oss-20b (batch) or DeepSeek V4.1 Flash 1017?
We do not hold independently-run benchmark scores covering both gpt-oss-20b (batch) and DeepSeek V4.1 Flash 1017, so we make no quality claim. Their pricing and specifications are compared on this page.
Is gpt-oss-20b (batch) cheaper than DeepSeek V4.1 Flash 1017?
gpt-oss-20b (batch) is cheaper: $0.046 versus $0.262 per million tokens blended at 3:1 input:output. Input alone: $0.024 vs $0.150. Output alone: $0.112 vs $0.600.
What context windows do gpt-oss-20b (batch) and DeepSeek V4.1 Flash 1017 have?
gpt-oss-20b (batch): 131,072 tokens. DeepSeek V4.1 Flash 1017: 1,048,576 tokens.
Who makes gpt-oss-20b (batch) and DeepSeek V4.1 Flash 1017?
gpt-oss-20b (batch) is made by OpenAI. DeepSeek V4.1 Flash 1017 is made by DeepSeek.
Related comparisons