gpt-oss-120b
120BbyOpenAI
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...
Specifications
Technical details and pricing.
Benchmarks
10 benchmark scores from Artificial Analysis.
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Frequently Asked Questions
What is gpt-oss-120b good for?
Use gpt-oss-120b for everyday tasks like writing, summarizing, brainstorming, and getting clear explanations.
How much does gpt-oss-120b cost?
Pricing is based on usage. Current rates are $0.09/1M tokens for input and $0.36/1M tokens for output.
Can I try gpt-oss-120b for free?
Yes. You can start a chat instantly and test the model before deciding on a plan.
Does gpt-oss-120b support images or audio?
gpt-oss-120b focuses on text-based tasks.
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Benchmarks and pricing use Artificial Analysis where available. Catalog specs are used as a fallback.