GPT OSS 120B API Pricing

OpenAI · released 2025-08-05

GPT OSS 120B price

No official API price published for GPT OSS 120B yet.

Benchmarks

BenchmarkValueSourceAs of
Epoch Capabilities Index (ECI) 140.2 epoch 2025-08-05
Epoch Mock AIME accuracy 88.9% epoch 2025-08-05
Epoch FrontierMath (T1–3) accuracy No public data yet
Arena text rating 1352 arena 2026-10-28
Arena coding rating (human preference votes, not task accuracy) 1389 arena 2026-10-28
Arena math rating 1381 arena 2026-10-28
Arena WebDev rating No public data yet

More from OpenAI

ModelReleasedBlended $/1M
GPT-6.1 Terra2026-10-26$2.00
GPT-6.1 Sol2026-09-29$4.00
GPT-6 Sol2026-09-22$4.00
GPT-6 Luna2026-09-22$0.20
GPT-Live 12026-09-10—
GPT Image 2.5 Sunburst2026-09-08$11.25
GPT Image 2.5 Flare2026-09-08$11.25
GPT-6 Astra (Fast)2026-09-04—

See GPT OSS 120B on the leaderboard

Prices: OpenAI's official list price as recorded by None; benchmarks: see sources below; last synced 2026-11-06.

FAQ

Who develops GPT OSS 120B?

GPT OSS 120B is developed by OpenAI, released 2025-08-05.

Is GPT OSS 120B's API pricing published?

No — as of the last data sync (2026-11-06), neither models.dev nor LiteLLM has published official API pricing for GPT OSS 120B. This page updates automatically once pricing is available.

How does GPT OSS 120B rank on benchmarks?

GPT OSS 120B scores 140.2 on the Epoch Capabilities Index (ECI), ranking #88 of 107 models we track with a published ECI score.

Which benchmarks is GPT OSS 120B scored on?

GPT OSS 120B has published results for: Epoch Capabilities Index (ECI); Epoch Mock AIME accuracy; Arena text rating; Arena coding rating (human preference votes, not task accuracy); Arena math rating. The Benchmarks table on this page shows each score with its source and date.

Where does this data come from?

Pricing for GPT OSS 120B comes from models.dev and LiteLLM (open MIT-licensed catalogs); benchmark scores come from Epoch AI and LMArena (open CC BY 4.0 licenses) — see /data-sources/. Last synced 2026-11-06.