Gemini 3.1 Deep Think vs Gemini 2.5 Pro
Rank, tier, score and price side by side, from our weekly rankings. Scores are editorial opinion based on public sources.
A
Gemini 3.1 Deep Think
B
Gemini 2.5 Pro
- ProviderGoogleGoogle
- Rank#26Higher rank#61
- TierAA
- Score83.6Higher score74.3
- PriceIncluded in the Google AI Ultra plan (from $99.99/mo); not on the Gemini API price listAPI $1.25 input / $10 output per 1M tokens (prompts up to 200K; $2.50 / $15 above)Lower price tier
- TaglineGoogle's deep-reasoning Gemini variant for science, research, and engineering.Google's 2025 Pro model with a 1M-token context window, since followed by the Gemini 3 series; Google lists Gemini 3.1 Pro as its replacement.
| Attribute | Gemini 3.1 Deep Think | Gemini 2.5 Pro |
|---|---|---|
| Provider | ||
| Rank | #26Higher rank | #61 |
| Tier | A | A |
| Score | 83.6Higher score | 74.3 |
| Price | Included in the Google AI Ultra plan (from $99.99/mo); not on the Gemini API price list | API $1.25 input / $10 output per 1M tokens (prompts up to 200K; $2.50 / $15 above)Lower price tier |
| Tagline | Google's deep-reasoning Gemini variant for science, research, and engineering. | Google's 2025 Pro model with a 1M-token context window, since followed by the Gemini 3 series; Google lists Gemini 3.1 Pro as its replacement. |