Gemini 2.5 Flash Preview 09-2025
Gemini 2.5 Flash Preview 09-2025 is Google's September 2025 preview of the next Gemini 2.5 Flash, scoring 54% on SWE-Bench Verified (up from 48.9%), improving agentic tool use, and reducing thinking-mode output tokens compared to the stable release.
File InputImplicit CachingReasoningTool UseVision (Image)Web Search
index.ts
import { streamText } from 'ai'
const result = streamText({ model: 'google/gemini-2.5-flash-preview-09-2025', prompt: 'Why is the sky blue?'})More models by Google
| Model |
|---|
| 1M | 2.4s | 186tps | $1.50/M | $7.50/M | Read:$0.15/M Write:— | $14/K + input costs | +3 |   | 07/21/2026 | |||
| 1M | 1.1s | 389tps | $0.30/M | $2.50/M | Read:$0.03/M Write:— | $14/K + input costs | +3 | | 07/21/2026 | |||
| 1M | 2.3s | 188tps | $1.50/M | $9/M | Read:$0.15/M Write:— | $14/K + input costs | +3 | | 05/19/2026 | |||
| 1M | 0.6s | 252tps | $0.25/M | $1.50/M | Read:$0.03/M Write:— | $14/K + input costs | +3 | | 03/03/2026 | |||
| 1M | 4.9s | 106tps | $2/M | $12/M | Read: $0.2/M Write: — | $14/K + input costs | +3 | | 02/19/2026 | |||
| 1M | 0.7s | 183tps | $0.50/M | $3/M | Read: $0.05/M Write: — | $14/K + input costs | +3 | | 12/17/2025 |