OpenAI logo GPT-OSS-120B

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Released August 2025, OpenAI's first open-weight model. A 117B MoE (5.1B active) fitting on a single 80 GB GPU. Matches o4-mini on reasoning benchmarks. Apache 2.0.

At a glance

Context window
131K tokens
Max output
131K tokens
Knowledge cutoff
Jun 2024
Modalities
Text Text Text Text

Capabilities

Function calling

Function calling

Connect to external tools, APIs, and systems.

Structured output

Structured output

Return responses in structured formats like JSON.

Pricing by provider

Provider Input / 1M tokens Output / 1M tokens
Novita logo Novita $0.05 $0.25

Heads up: We do our best to keep these specs & prices accurate. However, cloud costs may fluctuate based on region, usage, and other factors not listed here. These are estimates based on common setups and are for informational purposes only. Always verify current rates & exact specs with the provider before provisioning.

Compare with other models

Estimated prices shown. Actual costs may vary based on context length, batch size, caching, and provider-specific pricing tiers.