Gemini 3.5 Flash
Sub-agent deployment and long-horizon agentic loops — but it is now the most expensive Flash on the list ($1.50/$9.00 vs $0.75/$3.75 for 3.6-3.8 through 2026); migrate off it unless you need its exact behaviour.
Data checked 2026-09-06
Google DeepMind
ga
gemini-3.5-flash
- Context window
- 1M tokens in
- Max output
- 65.5K tokens out
- Input
- $1.50 per 1M tokens
- Output
- $9.00 per 1M tokens
- Cached input
- $0.15 per 1M tokens
- Blended
- $3.38 3:1 in:out
- Released
- 2026-05
- Licence
- proprietary
A What it is for
At a three-to-one input-to-output ratio, Gemini 3.5 Flash costs $3.38 per million tokens blended. A workload of one million input and 330,000 output tokens per day would run about $134.10 per month at list price, before caching or batch discounts.
B Capabilities
| Input modalities | text, image, audio, video, pdf |
|---|---|
| Output modalities | text |
| Batch discount | 50% off asynchronous requests |
C Others from Google DeepMind
| Model | Context | Max out | In $/M | Out $/M | Blended | Status |
|---|---|---|---|---|---|---|
Gemini 3.8 Flash
gemini-3.8-flash
|
1M | 65.5K | $0.75 | $3.75 | $1.50 | ga |
Gemini 3.7 Flash
gemini-3.7-flash
|
1M | 65.5K | $0.75 | $3.75 | $1.50 | ga |
Gemini 3.6 Flash
gemini-3.6-flash
|
1M | 65.5K | $0.75 | $3.75 | $1.50 | ga |
Gemini 3.5 Flash-Lite
gemini-3.5-flash-lite
|
1M | 65.5K | $0.30 | $2.50 | $0.85 | ga |
Gemini 3.1 Flash-Lite
gemini-3.1-flash-lite
|
1M | 65.5K | $0.25 | $1.50 | $0.56 | ga |
Gemini 3.1 Pro Preview
gemini-3.1-pro-preview
|
1M | 65.5K | $2.00 | $12.00 | $4.50 | preview |
Gemini 3 Flash Preview
gemini-3-flash-preview
|
1M | 65.5K | $0.50 | $3.00 | $1.13 | preview |
Gemini 2.5 Pro
gemini-2.5-pro
|
1M | 65.5K | $1.25 | $10.00 | $3.44 | ga |
Gemini 2.5 Flash
gemini-2.5-flash
|
1M | 65.5K | $0.30 | $2.50 | $0.85 | ga |
Gemini 2.5 Flash-Lite
gemini-2.5-flash-lite
|
1M | 65.5K | $0.10 | $0.40 | $0.18 | ga |
Gemini 2.5 Computer Use Preview
gemini-2.5-computer-use-preview-10-2025
|
128K | 64K | $1.25 | $10.00 | $3.44 | preview |
Gemini 3.1 Flash Image (Nano Banana 2)
gemini-3.1-flash-image
|
131.1K | 32.8K | $0.50 | $60.00 | $15.38 | ga |
D Verify before you commit
Model pricing changes without notice and this page is a snapshot. Confirm against the vendor's own page before you build a budget on it.
Source: ai.google.dev · checked 2026-09-06 · Google DeepMind pricing · API docs