Gemini 3.1 Pro Preview has a larger context window than Optimus Alpha (1.0M tokens vs 1.0M tokens).
| Spec | Gemini 3.1 Pro Preview | Optimus Alpha |
|---|---|---|
| Input price | $2/M tokens | — |
| Output price | $12/M tokens | — |
| Context window | 1.0M tokens | 1.0M tokens |
| Released | Feb 2026 | Apr 2025 |
Not enough votes to call it. On the specs, Gemini 3.1 Pro Preview has the edge: bigger model tier, newer, major provider backing.
Gemini 3.1 Pro Preview uses 2.4x more headings
Gemini 3.1 Pro Preview has a larger context window than Optimus Alpha (1.0M tokens vs 1.0M tokens).
| Spec | Gemini 3.1 Pro Preview | Optimus Alpha |
|---|---|---|
| Input price | $2/M tokens | — |
| Output price | $12/M tokens | — |
| Context window | 1.0M tokens | 1.0M tokens |
| Released | Feb 2026 | Apr 2025 |
Not enough votes to call it. On the specs, Gemini 3.1 Pro Preview has the edge: bigger model tier, newer, major provider backing.
Gemini 3.1 Pro Preview uses 2.4x more headings