gpt-oss-120b vs OpenAI o3
Rank, tier, score and price side by side, from our weekly rankings. Scores are editorial opinion based on public sources.
A
gpt-oss-120b
B
OpenAI o3
- ProviderOpenAIOpenAI
- Rank#70#65Higher rank
- TierAA
- Score70.572.8Higher score
- PriceFree open weights (Apache 2.0); hosted API pricing varies by providerLower price tierAPI $2 input / $8 output per 1M tokens (deprecated; shutdown December 11, 2026)
- TaglineOpenAI's Apache 2.0 open-weight reasoning model (August 2025) that fits on a single 80GB GPU, with configurable reasoning effort.OpenAI's April 2025 reasoning model for math, science and coding, deprecated in the API since June 2026 with shutdown set for December 2026.
| Attribute | gpt-oss-120b | OpenAI o3 |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Rank | #70 | #65Higher rank |
| Tier | A | A |
| Score | 70.5 | 72.8Higher score |
| Price | Free open weights (Apache 2.0); hosted API pricing varies by providerLower price tier | API $2 input / $8 output per 1M tokens (deprecated; shutdown December 11, 2026) |
| Tagline | OpenAI's Apache 2.0 open-weight reasoning model (August 2025) that fits on a single 80GB GPU, with configurable reasoning effort. | OpenAI's April 2025 reasoning model for math, science and coding, deprecated in the API since June 2026 with shutdown set for December 2026. |