Gemini 2.5 Flash vs Gemma 4 31B
| Spec | Gemini 2.5 Flash | Gemma 4 31B |
|---|---|---|
| Respan Index | 18.7 (#127) | 18.6 (#128) |
| Blended price per 1M | $0.85 | - |
| Context window | 1.0M | 256K |
| Input / output per 1M | $0.3 / $2.5 | $0 / $0 |
| Max output | 66K | - |
| Input | text, vision, audio | text, vision |
| Released | 2025-06-17 | 2026-04-02 |
Respan Index by category
Each category is scored 0 to 100, and how far ahead the winner is. Leads under a point are close to even.
| Category | Gemini 2.5 Flash | Gemma 4 31B |
|---|---|---|
| Coding | 2.5 Gemini 2.5 Flash | 8.0 Gemma 4 31B |
| Agents | 18.5 Gemini 2.5 Flash | 12.7* Gemma 4 31B |
| Reasoning | 20.5 Gemini 2.5 Flash | 19.4 Gemma 4 31B |
| Knowledge & language | 13.6* Gemini 2.5 Flash | 10.8 Gemma 4 31B |
| Human preference | 46.7 Gemini 2.5 Flash | 50.0 Gemma 4 31B |
* Estimated: no published scores in that category. How the Respan Index works
Benchmarks both report
Gemma 4 31B leads on 5 of the 5 benchmarks both report. Higher is better. Each score links to where it was published.
FAQ
Is Gemini 2.5 Flash better than Gemma 4 31B?
Gemini 2.5 Flash scores 18.7 on the Respan Index (#127), ahead of Gemma 4 31B at 18.6 (#128). Gemma 4 31B leads on 5 of the 5 benchmarks both report.
Which has the larger context window?
Gemini 2.5 Flash accepts 1.0M tokens and Gemma 4 31B 256K tokens.