# openai/gpt-oss-20b across inference providers

Reference: context 131,072 tokens from https://huggingface.co/openai/gpt-oss-20b/blob/6cee5e81ee83917806bbde320786a8fb61efebee/config.json (max_position_embeddings); quantization MXFP4 on the MoE experts, bf16 elsewhere.

Provider rows: https://openrouter.ai/api/v1/models/openai/gpt-oss-20b/endpoints, read 2026-10-19. Declared values; no requests sent.

| Provider | Tag | Quantization | Context | Max output | Tools | Reasoning | Differs from the reference |
|---|---|---|---|---|---|---|---|
| AkashML | akashml/fp4 | fp4 (same) | 131,072 | 117,964 | yes | yes | none declared |
| Amazon Bedrock | amazon-bedrock | none (undisclosed) | 131,072 | 117,964 | yes | yes | none declared |
| Amazon Bedrock | amazon-bedrock/eu-west-1 | none (undisclosed) | 131,072 | 117,964 | yes | yes | none declared |
| CoreWeave | coreweave/fp4 | fp4 (same) | 131,072 | 117,964 | yes | yes | none declared |
| Darkbloom | darkbloom/fp8 | fp8 (higher) | 131,072 | 32,768 | yes | yes | none declared |
| DeepInfra | deepinfra/bf16 | bf16 (higher) | 131,072 | 117,964 | yes | yes | none declared |
| DekaLLM | dekallm/bf16 | bf16 (higher) | 131,072 | 117,964 | yes | yes | none declared |
| Google | google-vertex/us-central1 | none (undisclosed) | 131,072 | 32,768 | no | yes | **declares no tools parameter; the official model supports tool calling** |
| Groq | groq | none (undisclosed) | 131,072 | 65,536 | yes | yes | none declared |
| Parasail | parasail/fp4 | fp4 (same) | 131,072 | 117,964 | yes | yes | none declared |
| SiliconFlow | siliconflow/fp8 | fp8 (higher) | 131,072 | 8,192 | no | yes | **declares no tools parameter; the official model supports tool calling** |

## Changes since tracking began

None yet.