Gemini 3.1 Pro PreviewvsGemini 3.5 Flash High
Gemini 3.1 Pro Preview is tied with Gemini 3.5 Flash High on the Podium Score (74.0).Category wins: Gemini 3.1 Pro Preview 0 — 0 Gemini 3.5 Flash High.Gemini 3.1 Pro Preview is the cheaper pick ($5/M vs $5/M per 1M output tokens). Gemini 3.1 Pro Preview is faster (50 t/s vs 50 t/s).
| Metric | Gemini 3.1 Pro Preview | Gemini 3.5 Flash High |
|---|---|---|
| Podium Score | 74.0 | 74.0 |
| Arena Elo | — | — |
| Intelligence Index | — | — |
| Coding | — | — |
| Math | — | — |
| Reasoning | — | — |
| Agentic | — | — |
| Knowledge | — | — |
| Multimodal | — | — |
| Long-context | — | — |
| Output speed | 50 t/s | 50 t/s |
| Output price | $5/M | $5/M |
| Context window | 128K | 128K |
Scores aggregated from five leaderboards on 2026-08-05. See Methodology. More head-to-heads: Gemini 3.1 Pro Preview vs Claude Mythos Preview · Gemini 3.1 Pro Preview vs Claude Fable 5 · Gemini 3.1 Pro Preview vs Kimi K3 · Gemini 3.1 Pro Preview vs Claude Opus 5