How does gpt-oss-120b rank among AI models?
gpt-oss-120b holds ModelCap Index position #164 of 352 ranked language models as of 6 November 2026, with an Index score of 39.6 (interval 34.7–44.5); evidence: measured. The Index combines public benchmark boards with published uncertainty; the methodology page explains the weighting.
How much does gpt-oss-120b cost per 1M tokens?
gpt-oss-120b is listed at $0.024 per 1M input tokens and $0.09 per 1M output tokens as of 6 November 2026 across 22 providers. Prices come from the OpenRouter catalogue and re-observe on every refresh. For 1,000 requests using 2,000 input and 500 output tokens each, the listed rates imply $0.093 total (2M input + 0.5M output). This excludes caching, batch discounts, prompt-length tiers, tool charges and retries; verify the chosen endpoint's rate and limits before budgeting.
What is the context window of gpt-oss-120b?
gpt-oss-120b has a published context window of 131K tokens (131,072). The snapshot lists a 65,536 token catalogue-declared route output cap. OpenRouter catalogue or provider-endpoint declaration. Limits can vary by provider and prompt length; a model-wide maximum has not been independently verified. The providers table lists each endpoint's context limit.
Is gpt-oss-120b open-weight?
Open weights (apache-2.0). Downloadable weights are published under an OSI or free-culture license in the current repository metadata. This describes weight availability, not whether the full training stack qualifies as Open Source AI. The repository is openai/gpt-oss-120b on Hugging Face.
Which API providers serve gpt-oss-120b?
22 providers serve gpt-oss-120b through OpenRouter as of 6 November 2026: PrimeIntellect, Near AI, Venice, CoreWeave, DekaLLM and AkashML and 16 more. Each provider's price, context limit, quantization and measured uptime are in the providers table above.
Which benchmarks has gpt-oss-120b been evaluated on?
gpt-oss-120b has published results on 3 public boards tracked by ModelCap as of 6 November 2026: Arena text 1352 (#219 of 419), Arena coding 1389 (#226 of 414) and SWE-bench 26.0% (#41 of 47). Each board page ranks every tracked model on that benchmark. The ModelCap Index scores the results its methodology admits, with published uncertainty, and shows reference boards without scoring them.
How does gpt-oss-120b compare with GPT-4o (2024-08-06)?
gpt-oss-120b ranks #164 (Index 39.6) and GPT-4o (2024-08-06) ranks #192 (Index 36.4) on the ModelCap Index as of 6 November 2026. The head-to-head page lines up their benchmarks, listed prices, context windows and provider counts side by side.
When was gpt-oss-120b released?
gpt-oss-120b first appeared in the catalogue on 5 Aug 2025, with a published knowledge cutoff of 2024-06-30. It is the current version in its family. Rank and price movements since then are recorded on the site's changes feed.