gpt-oss-120b

openai/gpt-oss-120b

OpenAI's gpt-oss-120b is a text-only model with a context length of 131,072 tokens. It is priced at $0.037 per million input tokens and $0.17 per million output tokens, supports tool usage and reasoning, and its weights are not publicly released. The model was released on 2024-06-01.

  • tool use
  • structured outputs
  • reasoning

At a glance

provideropenai
releasedJun 1, 2024
context131K
input / M$0.037

Specifications

What the API gives you

Context window
131K tokens
Max output
131K tokens
Input price
$0.037 / 1M tokens
Output price
$0.17 / 1M tokens
Cache read
Modalities
text → text
Knowledge cutoff
Jun 30, 2024
Released
Jun 1, 2024

Recommendation coverage

Where this model appears

Not currently included in a published recommendation. This means the available task-specific evidence did not support a ranking yet—not that the model was reviewed and rejected.

Measured evidence

Public benchmark record

Aider Polyglot
41.8%2026-07-17
Aider Polyglot
41.8%2026-07-21

LMArena data licensed CC-BY-4.0. Aider (Apache-2.0) and SWE-bench (MIT) are open.

Open-weight model on Hugging Face.

Catalog data via OpenRouter and models.dev. Last checked within the past 6 hours.