Model dossier

OpenAI: gpt-oss-120b

gpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic, and general-purpose production use cases. It activates 5.1B parameters per forward pass and is optimized...

ProviderOpenAI Start comparison

Context131,072

Max output131,072

Pricing viewTVP price

Identity

OpenAI: gpt-oss-120b

Model ID: openai/gpt-oss-120b
Canonical slug: openai/gpt-oss-120b
Knowledge cutoff: 2024-06-30
Created: 8/5/2025

Capabilities

texttoolsstructured

Modalities

text->texttext

Capacity

Context131,072

Max output131,072

TokenizerGPT