Gemini 3.5 Flash
Gemini 3.5 Flash is Google's high-efficiency multimodal model, bringing near-Pro level coding and reasoning at Flash-tier cost and speed.
At a glance
- Input / 1M
- $1.50
- Output / 1M
- $9
- Context
- 1.05M
- Max output
- 66K
- Intelligence
- 33.6
- Released
- May 2026
Pricing
Gemini 3.5 Flash API pricing
Per-token rates, plus what common tasks actually cost.
| Input tokensPer 1M tokens | $1.50 |
|---|---|
| Output tokensPer 1M tokens | $9 |
| Cached input (read)Per 1M tokens | $0.15 |
| Cache writePer 1M tokens | $0.08 |
| Web searchPer request | $0.014 |
Chat message
2K in, 500 out
$7.50
per 1,000 requests
Coding task
30K in, 4K out
$81
per 1,000 requests
Long document summary
150K in, 2K out
$243
per 1,000 requests
Benchmarks
Gemini 3.5 Flash benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
33.6
Coding index
Not available
Agentic index
Not available
Specs
Context window and capabilities
What it can read, what it can write, and which API features it supports.
- Context window
- 1.05M tokens
- Max output
- 66K tokens
- Input types
- Audio, File, Image, Text, Video
- Output types
- Text
- Reasoning effort
- High, Medium, Low, Minimal
- Release date
- May 19, 2026
- Knowledge cutoff
- January 1, 2025
- Tool calling
- Structured outputs
- JSON mode
- Reasoning
- Temperature
- Stop sequences
- Deterministic seed
- Verbosity control
Compare
Gemini 3.5 Flash vs other models
See how Gemini 3.5 Flash stacks up head to head on price, benchmarks, and features.
VSGemini 3.5 Flash vs Gemini 3.8 Flash
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Gemini 3.5 Flash vs Claude Sonnet 5
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Gemini 3.5 Flash vs DeepSeek V4 Flash 0731
Google vs DeepSeek
See comparisonVSGemini 3.5 Flash vs Gemini 3.6 Flash
Google vs Google
See comparisonVSGemini 3.5 Flash vs GLM 5.2
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Gemini 3.5 Flash vs Qwen3.8 27B
Google vs Qwen
See comparisonAlternatives
Gemini 3.5 Flash alternatives
Similar models worth considering, and where each one has the edge.
Gemini 3.8 Flash
Anthropic
Claude Sonnet 5
DeepSeek
DeepSeek V4 Flash 0731
Want to learn about other models? Browse all models
FAQ
Frequently asked questions
How much does Gemini 3.5 Flash cost?
Gemini 3.5 Flash costs $1.50 per 1M input tokens and $9 per 1M output tokens through the API. A typical chat message costs about $7.50 per 1,000 messages.
What is the context window of Gemini 3.5 Flash?
Gemini 3.5 Flash accepts up to 1.05M tokens of input and can write up to 66K tokens in a single response.
What is the best alternative to Gemini 3.5 Flash?
Gemini 3.8 Flash from Google is a strong alternative. It offers: 2.4x cheaper output, higher intelligence score, newer release.
Can I use Gemini 3.5 Flash alongside other models?
Yes. Shortcut Chat sends one prompt to Gemini 3.5 Flash and any other models you pick at the same time, so you can compare answers side by side.
Try Gemini 3.5 Flash next to every other model.
Use Gemini 3.5 Flash alongside all the other models. Use one at a time, or multiple together. Get the best answer from every AI.