Gemini 3 Flash Preview vs gemini-2.5-flash-preview-05-20
Gemini 3 Flash Preview is cheaper on output tokens. Choose Gemini 3 Flash Preview or gemini-2.5-flash-preview-05-20 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Gemini 3 Flash Preview | gemini-2.5-flash-preview-05-20 |
|---|---|---|
| Provider | Jiekou.AI | |
| Input / 1M tokens | $0.50 | $0.14 |
| Output / 1M tokens | $3.00 | $3.15 |
| Context window | 1M | 1M |
| Parameters | — | — |
| Open weights | No | No |
| Released | Dec 2025 | Jan 2026 |
| SWE-bench Verified score | 75.8 | — |
| GPQA Diamond score | 89.4 | — |
| FrontierMath score | 35.6 | — |
| Aider Polyglot score | — | 55.1 |
FAQ
Is Gemini 3 Flash Preview or gemini-2.5-flash-preview-05-20 cheaper?
Gemini 3 Flash Preview is cheaper on output tokens ($3.00 vs $3.15 per 1M).
Which has the larger context window, Gemini 3 Flash Preview or gemini-2.5-flash-preview-05-20?
Both models offer a similar context window.
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.