OpenAI o3 vs Gemini 3.1 Pro
Rank, tier, score and price side by side, from our weekly rankings. Scores are editorial opinion based on public sources.
A
OpenAI o3
B
Gemini 3.1 Pro
- ProviderOpenAIGoogle
- Rank#65#48Higher rank
- TierAA
- Score72.879.0Higher score
- PriceAPI $2 input / $8 output per 1M tokens (deprecated; shutdown December 11, 2026)API $2.00 / 1M tokens (input), $12.00 / 1M tokens (output)
- TaglineOpenAI's April 2025 reasoning model for math, science and coding, deprecated in the API since June 2026 with shutdown set for December 2026.A frontier model with strong reasoning performance, including high marks on the ARC-AGI-2 benchmark.
| Attribute | OpenAI o3 | Gemini 3.1 Pro |
|---|---|---|
| Provider | OpenAI | |
| Rank | #65 | #48Higher rank |
| Tier | A | A |
| Score | 72.8 | 79.0Higher score |
| Price | API $2 input / $8 output per 1M tokens (deprecated; shutdown December 11, 2026) | API $2.00 / 1M tokens (input), $12.00 / 1M tokens (output) |
| 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. | A frontier model with strong reasoning performance, including high marks on the ARC-AGI-2 benchmark. |