gemini-2.5-flash-preview-09-2025 vs Gemini 2.5 Flash
Both have similar output pricing, while Gemini 2.5 Flash offers a larger context window. Choose gemini-2.5-flash-preview-09-2025 or Gemini 2.5 Flash based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | gemini-2.5-flash-preview-09-2025 | Gemini 2.5 Flash |
|---|---|---|
| Provider | 302.AI | |
| Input / 1M tokens | $0.30 | $0.30 |
| Output / 1M tokens | $2.50 | $2.50 |
| Context window | 1M | 1M |
| Parameters | — | — |
| Open weights | No | No |
| Released | Sep 2025 | Jun 2025 |
| LMArena (Chatbot Arena) Elo score | 1406 | 1417 |
| LMArena Vision Elo score | 1253 | 1235 |
| SWE-bench Verified score | — | 28.7 |
| FrontierMath score | — | 4.8 |
| Epoch Capabilities Index score | — | 143 |
FAQ
Is gemini-2.5-flash-preview-09-2025 or Gemini 2.5 Flash cheaper?
gemini-2.5-flash-preview-09-2025 and Gemini 2.5 Flash have comparable output pricing.
Which has the larger context window, gemini-2.5-flash-preview-09-2025 or Gemini 2.5 Flash?
Gemini 2.5 Flash has the larger context window (1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.