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OpenAI: GPT OSS 120B

openai/gpt-oss-120b-maas · rates as of · How this catalog is built · Benchmarks

Open GPT reasoning model for self-hosted agents and controllable deployments

Cheapest input
$0.09
$/MTok · models.dev
Cheapest output
$0.36
$/MTok
Context
131K
tokens
Sources
2
4 listings

Sources

Same model, different sources. Our first-party rate is listed first, then router and aggregator rows stay separate so you can see the spread instead of a single blended number.

SourceProviderInputOutputCache readContext
models.devcheapestopenai/gpt-oss-120b-maasGoogle Vertex AI$0.09$0.36$0131K
LiteLLMopenai/gpt-oss-120b-maasN/A$0.09$0.36$0.009N/A
LiteLLMgpt-oss-120b-maasN/A$0.09$0.36$0.009N/A
LiteLLMvertex_ai/openai/gpt-oss-120b-maasN/A$0.09$0.36$0.009N/A

Capabilities

  • Reasoning
  • Tool calling
  • Structured output
  • Open weights
  • In: text
  • Out: text
Knowledge cutoff: 2024-06Released: 2025-08-05Family: gpt-oss

Scores

Sparse coverage on purpose. Missing a score means we have not linked one yet, not that the model is unranked. Hover or tap the i next to any score for its source. Full boards on /benchmarks.

Arena rows are community-vote Elo from Arena AI, Artificial Analysis indices arrive via OpenRouter, and launch-eval figures are collected from vendor announcements, analyst writeups, and community benchmarks. Full boards and credits on /benchmarks.

See what this model costs you

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