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Models / OpenAI

GPT-OSS 120B

OpenAI · Model release

Released

Catalog checked 2026-09-30

Context
131K
Max output
131K
Reasoning
Yes
Included in
5 plans
01 / API priceUSD / 1M tokens

Open-weight model. OpenAI does not publish a hosted per-token rate for this model; third-party routes set their own prices.

02 / Capabilities & limitsProvider specifications
Context window
131,072
Maximum output
131,072
Input
text
Output
text
Reasoning
Supported
Tool calling
Supported
Structured output
Supported
03 / Where you can use itPublished access · 5 subscriptions
Google AI Pro$19.99 / month ↗Google AI Ultra (5x tier)$99.99 / month ↗Google AI Ultra (20x tier)$199.99 / month ↗Ollama Cloud Pro$20 / month ↗Ollama Cloud Max$100 / month ↗
Pricing, assumptions & evidence

Missing token-category prices are not zero. Workload pricing applies exact recorded categories and admitted routes. No benchmark score or quality ranking is inferred from prices.

Aliases, routes and identity

Catalog ID gpt-oss-120b

Model release (kind: release)

Developer: OpenAI