OpenAI gpt-oss-120b vs xAI Grok‑1 — side-by-side specs.
OpenAI gpt-oss-120b | xAI Grok‑1 | |
|---|---|---|
| Overview | ||
| Company | OpenAI | xAI |
| Release date | Aug 5 2025 | Nov 3 2023 |
| Model type | — | — |
| Open source | Yes | Yes |
| Specifications | ||
Parameters | — | — |
Context window | — | — |
| Benchmarks | ||
| Timeline | ||
| Release gap | Grok‑1 shipped 641 days before gpt-oss-120b | |
gpt-oss-120b and Grok‑1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok‑1 shipped 641 days before gpt-oss-120b, so benchmark comparisons should account for the intervening progress.
Published specifications for these two models are limited — see each model page for the latest details.
Direct benchmark comparisons are unavailable — gpt-oss-120b and Grok‑1 don't publish scores on any of the same benchmarks.