# Gemini 2.5 Flash Preview (Sep '25) release · 2025-09-25 · snapshot 2026-10-26

Creator: Google · 2 effort levels

| Effort level | Input modalities | Intelligence | Total cost | E2E | On the frontier today | ID |
|---|---|---|---|---|---|---|
| Gemini 2.5 Flash Preview (Sep '25) (Non-reasoning) | Text, Image, Speech, Video | 12.40 | - | - | no | `gemini-2-5-flash-preview-09-2025` |
| Gemini 2.5 Flash Preview (Sep '25) (Reasoning) | Text, Image, Speech, Video | 15.50 | - | - | no | `gemini-2-5-flash-preview-09-2025-reasoning` |


> Metrics snapshot: 2026-10-26T15:24:18Z. Intelligence index version: unknown. Release timeline, frontier age, release impact and shakeup cards are reconstructions using one selected snapshot's metrics, not a record of what was known at release. Scores, benchmark cost and derived value may change when the index methodology changes. Source documentation advertises v4.3.2; API correspondence is unverified.