gpt-oss-120b review, price and benchmarks (2026)

public free open-weights api in Generator local value

Provider

Statuspublic

AA Intelligence Index23.8 (July 16, 2026 snapshot)

Releasedn/a

Context windown/a

Modalitiesn/a

API price $/1M (in / out)n/a

Speedn/a

AccessOpen weights · free/cheap API hosts

In one line

OpenAI's open-weight release - modest by 2026 standards but fully downloadable and permissively licensed.

Coding45

Reasoning44

Writing40

Agents & tools38

Category scores (0-100) are WhichAI blended ratings: public category leaderboards plus editorial judgment. Guidance, not official measurements.

Alternatives worth a look

Gemini 3.1 Flash-Lite (Google) · AA 25Free API (highest free rate limits: 15 RPM, 1,000/day)
Command A+ (Cohere) · AA 22.5Enterprise API · open weights for research · private deployments
Nemotron 3 Super (NVIDIA) · AA 25.4FREE on OpenRouter (nvidia/nemotron-3-super-120b-a12b:free) · open weights

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Artificial Analysis Intelligence Index, 2026 rebased scale (top models ≈ 55–60). Snapshot: July 24, 2026 (BenchLM mirror), retrieved July 26, 2026. Context, price and release data come from vendor pages and public pricing mirrors (retrieved July 19, 2026). Missing values are not published or not yet verified - shown as -. Sources are linked inside the app (Model guide and About > Methodology).