OpenAI o3 vs gpt-oss-120b
Rank, tier, score and price side by side, from our weekly rankings. Scores are editorial opinion based on public sources.
A
OpenAI o3
B
gpt-oss-120b
- ProviderOpenAIOpenAI
- Rank#65Higher rank#70
- TierAA
- Score72.8Higher score70.5
- PriceAPI $2 input / $8 output per 1M tokens (deprecated; shutdown December 11, 2026)Free open weights (Apache 2.0); hosted API pricing varies by providerLower price tier
- TaglineOpenAI's April 2025 reasoning model for math, science and coding, deprecated in the API since June 2026 with shutdown set for December 2026.OpenAI's Apache 2.0 open-weight reasoning model (August 2025) that fits on a single 80GB GPU, with configurable reasoning effort.
| Attribute | OpenAI o3 | gpt-oss-120b |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Rank | #65Higher rank | #70 |
| Tier | A | A |
| Score | 72.8Higher score | 70.5 |
| Price | API $2 input / $8 output per 1M tokens (deprecated; shutdown December 11, 2026) | Free open weights (Apache 2.0); hosted API pricing varies by providerLower price tier |
| Tagline | OpenAI's April 2025 reasoning model for math, science and coding, deprecated in the API since June 2026 with shutdown set for December 2026. | OpenAI's Apache 2.0 open-weight reasoning model (August 2025) that fits on a single 80GB GPU, with configurable reasoning effort. |