OpenAI gpt-oss-120b

OpenAI gpt-oss-120b is a 120B open-weight language model released under the Apache 2.0 license. It is well-suited for reasoning and function calling use cases. The model is optimized for deployment on consumer hardware.

The 120B model achieves near-parity with OpenAI o4-mini on core reasoning benchmarks, while running on a single 80GB GPU.

View model card in Model Garden

Property Description
Model ID gpt-oss-120b-maas
Versions
  • gpt-oss-120b-maas
    • Launch stage: GA
    • Release date: August 13, 2025
Supported regions

Model availability

  • United States
    • us-central1

ML processing

  • United States
    • Multi-region
Quota limits

us-central1:

  • QPM: 650
  • Input TPM: 790,000
  • Output TPM: 120,000
  • Max output: 32,768
  • Context length: 131,072

Pricing See Pricing.