Gemini 2.5 Flash
Shutting down. Gemini 2.5 Flash shuts down on Google Vertex AI on Oct 20, 2026. Google names Gemini 3.8 Flash as the replacement.
6 days- Next shutdown
- 6 daysOct 20, 2026 · Google Vertex AI
- Arena Text
- 1,409#71 of 128 · Arena
- List price · $ per 1M
- $0.30 in $2.50 outGemini API · cached input $0.03
- Context window
- 1MMax output 65.5K tokens
- Released
- Jun 17, 2025Google
Dates on every platform
| Platform | Model ID and status | Deprecated | Shuts down | Replacement |
|---|---|---|---|---|
| Gemini APIGoogle: Gemini deprecations (opens in a new tab) · checked Oct 14, 2026 | gemini-2.5-flashLegacy since Sep 18, 2026 | – | None set | – |
| Google Vertex AIGoogle Cloud: Model versions and lifecycle (opens in a new tab) · checked Oct 14, 2026 | gemini-2.5-flashDeprecated | – | 6 days | Gemini 3.8 Flash |
Available only to users who used the 2.5 models before. Not deprecated, and no shutdown date is announced.
Google also lists Gemini 3.5 Flash-Lite and Gemini 3.1 Flash-Lite as replacements.
Requests may still work on the Gemini API after this date; that service sets its own schedule.
What breaks when you move off Gemini 2.5 Flash
- Availability
- Parameters
- Availability
Intelligence
| Benchmark | Publisher | Score | Rank | Published |
|---|---|---|---|---|
| Arena Text | Arena | 1,409 ± 1 | #71 of 128 | Oct 8, 2026 |
Arena (arena.ai), https://arena.ai/leaderboard
List prices
| Platform | Input | Cached | Output | In effect | Source |
|---|---|---|---|---|---|
Gemini APIgemini-2.5-flash | $0.30 | $0.03 | $2.50 | Jun 17, 2025Current · Audio input costs more. | Google: Gemini Developer API pricing (opens in a new tab) |
Google Vertex AIgemini-2.5-flash | $0.30 | $0.03 | $2.50 | Jun 17, 2025Current · Audio input costs more. | Google Cloud: Agent Platform pricing (opens in a new tab) |
Change history
ShutdownGemini 2.5 Pro, Flash and Flash-Lite retire on Agent PlatformGoogle Vertex AI2 breaks
Google retires gemini-2.5-pro, gemini-2.5-flash and gemini-2.5-flash-lite on Gemini Enterprise Agent Platform. Gemini 3.8 Flash is the first replacement Google lists for each.
- Platform
- Google Vertex AI
- Replacement
- Gemini 3.8 Flash
- AvailabilityRequests to these model IDs on Agent Platform stop working after the retirement date.
- ParametersReplacement models from Gemini 3.6 Flash on ignore temperature, top_p and top_k and reject a request that ends with a model turn.
Source: Google Cloud, Model versions and lifecycle (opens in a new tab); Google Cloud, Gemini 2.5 Pro (opens in a new tab); Google Cloud, Gemini Enterprise Agent Platform release notes (opens in a new tab); Google, What's new in Gemini 3.6 Flash and 3.5 Flash-Lite (opens in a new tab)
API changeGemini 2.5 models limited to earlier users on the Gemini APIGemini API1 break
Google limits Gemini 2.5 Pro, Flash and Flash-Lite to users who used them before. The models are not deprecated and keep serving; Google recommends Gemini 3.5 Flash-Lite or Gemini 3.8 Flash for new projects.
- Platform
- Gemini API
- AvailabilityNew projects cannot start on Gemini 2.5 models.
Source: Google, Gemini API release notes (opens in a new tab); Google, Gemini deprecations (opens in a new tab)