token.app › Compare › gpt-oss-20b vs DeepSeek V4.1 Flash 1017
gpt-oss-20b vs DeepSeek V4.1 Flash 1017
gpt-oss-20b is 7.3× 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 | DeepSeek V4.1 Flash 1017 | |
|---|---|---|
| Provider | OpenAI | DeepSeek |
| Input $/1M | $0.018 | $0.150 |
| Output $/1M | $0.090 | $0.600 |
| Blended $/1M | $0.036 | $0.262 |
| Context window | 131K | 1.0M |
| Max output | 33K | 393K |
| Released | Aug 2025 | Oct 2026 |
| Licence | Open weights | Open weights |
Choose gpt-oss-20b if…
- Costs less per token — $0.036 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 or DeepSeek V4.1 Flash 1017?
We do not hold independently-run benchmark scores covering both gpt-oss-20b 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 cheaper than DeepSeek V4.1 Flash 1017?
gpt-oss-20b is cheaper: $0.036 versus $0.262 per million tokens blended at 3:1 input:output. Input alone: $0.018 vs $0.150. Output alone: $0.090 vs $0.600.
What context windows do gpt-oss-20b and DeepSeek V4.1 Flash 1017 have?
gpt-oss-20b: 131,072 tokens. DeepSeek V4.1 Flash 1017: 1,048,576 tokens.
Who makes gpt-oss-20b and DeepSeek V4.1 Flash 1017?
gpt-oss-20b is made by OpenAI. DeepSeek V4.1 Flash 1017 is made by DeepSeek.