SF·SIX / MODEL PROFILE
OpenAI gpt-oss-20b
gpt-oss-20b is an open-weight 21B parameter model released by OpenAI under the Apache 2.0 license. It uses a Mixture-of-Experts (MoE) architecture with 3.6B active parameters per forward pass, optimized for...
OpenAI gpt-oss-20b costs $0.018 per 1M input tokens and $0.09 per 1M output tokens at the standard tier, the lowest default-region price among the 9 providers SF·SIX tracks, from Darkbloom (fp8). Cached input reads cost $0.009 per 1M tokens. Updated ; prices checked .
- Developer
- OpenAI
- Input modalities
- text
- Output modalities
- text
- Context tokens
- 131,072
- Latest price observation
- 2026-10-17
- Lowest paired standard token quote
- $0.018 input / $0.09 output per 1M tokens
Dated price and provider records
| Provider and channel | Input | Output or native rate | Unit and status | Source and observation |
|---|---|---|---|---|
| DarkbloomOpenRouter | $0.018 | $0.09 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
| AkashMLOpenRouter | $0.02 | $0.10 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
| CoreWeaveOpenRouter | $0.03 | $0.13 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
| DekaLLMOpenRouter | $0.029 | $0.14 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
| DeepInfraOpenRouter | $0.03 | $0.14 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
| ParasailOpenRouter | $0.03 | $0.15 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
| Amazon BedrockOpenRouter | $0.07 | $0.15 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
| GroqOpenRouter | $0.075 | $0.30 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
| Amazon BedrockOpenRouter · eu-west-1 region | $0.07 | $0.15 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
| GoogleOpenRouter · us-central1 region | $0.07 | $0.25 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
Batch and free variants
- gpt-oss-20b (batch) · from $0.024 input / $0.112 output per 1M tokens
These are dated, non-executable observations. Verify the exact endpoint, price and terms with the source before use. Unknown values are not free.