Model · Google · Text
Gemini 3.5 Flash
The GA successor to the Gemini 3 Flash preview, offering frontier-level intelligence at high speed and low cost. Google now labels it the legacy Flash model providing baseline speed — three newer Flash generations sit above it.
- Modality
- Text
- License
- Proprietary (Proprietary)
- Context window
- 1,048,576 tokens
- Released
- May 19, 2026
- Last verified
- September 8, 2026
- Runs locally
- No
- Also handles
- vision
Strengths
- 1M-token context window at the fast/low-cost tier
- Sustained frontier performance on agentic and coding tasks
- Generally available via the Gemini API and Google AI Studio (free tier)
Weaknesses
- Closed weights
- Output capped at 64k tokens
Try it
| Where | Type | Notes |
|---|---|---|
| Google AI Studio | hosted-api | Free tier |
| Vertex AI | hosted-api | GCP enterprise |
Version history
- Gemini 3.8 Flash Sep 2026
- Gemini 3.5 Flash-Lite Jul 2026
- Gemini 3.5 Flash May 2026 Current Deprecated
- Gemini 3.1 Flash-Lite May 2026 Deprecated
- Gemini 3.1 Pro Preview May 2026
Official sources
- Model docs docs
- Announcement announcement
Change log
- — Deprecated — Google's models page now describes it as the legacy Flash model. Superseded by Gemini 3.8 Flash (2026-09-02), with 3.6 and 3.7 Flash released in between. No shutdown date announced.
- — Initial entry (2026-06-08 catalog refresh, Tier 3). GA model released 2026-05-19 at Google I/O; supersedes the Gemini 3 Flash preview.
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