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OpenAI

GPT-OSS 120B

OpenAI's first open-weight model since GPT-2. Mixture-of-experts 120B with strong general reasoning at a price that's hard to beat.

120B (MoE, ~5B active)Apache 2.0
Contact sales

Talk to sales about GPT-OSS 120B.

Capacity for GPT-OSS 120B isn't provisioned in our public fleet yet. Tell us about your workload — early access, benchmarks, or a custom deployment — and we'll come back inside two business days.

Or email cogito@decart.ai.

Use cases

General chatCodingReasoningTool use