Gemini 3.6 Flash

Gemini 3.6 Flash is a Flash model Google made generally available on July 21, 2026, aimed at code generation, agentic execution and spatial reasoning. Google still lists it as stable, and since October 8, 2026 it receives requests sent to the deprecated Gemini 3.5 Flash.

By GoogleReleased July 21, 2026Data checked October 10, 2026

CurrentClosedAdvanced

Specifications

Context window: 1Mabout 786,000 words, or 1,570 pages
Max output: 64Ktokens per response
Input price: $0.75per 1M tokens
Output price: $3.75per 1M tokens
Cached input: $0.075per 1M tokens
Weights: ClosedProprietary
Parameters: Undisclosed
Input types: Text, Images, Video, Audio, PDF
Output types: Text
Reasoning mode: Yes
Tool calling: Yes
Released: Jul 21, 2026Current

Introductory paid-tier rates through 2026-12-31; from 2027-01-01 the rates are $1.50 input, $7.50 output and $0.15 caching. Free tier available. Batch and Flex 50% off; Priority costs more.

What it costs in practice

Workload	Monthly cost at list price
Support chatbot30,000 conversations a month, 2,000 input and 400 output tokens each	$90
Document summaries2,000 documents a month, 12,000 input and 800 output tokens each	$24
Coding agent1,000 tasks a month, 60,000 input and 6,000 output tokens each	$68

Standard rates, no caching or batch discounts. Run your own numbers.

Strengths

Accepts text, image, video, audio and PDF input
1,048,576-token input limit and 65,536-token output limit
Computer use available in preview

Trade-offs to weigh

Priced the same as the newer Gemini 3.8 Flash
Introductory pricing ends December 31, 2026, after which rates double

Where it fits

Google positions Gemini 3.6 Flash for:

codingagentsmultimodalhigh volume

Where you can use it

API
Google Vertex AI
OpenRouter

Alternatives to consider

Model	Tier	Context	Input / output per 1M
Muse Spark 1.3Meta	Advanced	1M	$1.25 / $4.25	Compare
Gemini 3.8 FlashGoogle	Advanced	1M	$0.75 / $3.75	Compare
NVIDIA Nemotron 3 UltraNVIDIA	Advanced	1M	$0.50 / $2.20	Compare
Claude Sonnet 5.5Anthropic	Advanced	1M	$2 / $10	Compare

Frequently asked questions

How much does Gemini 3.6 Flash cost?

Gemini 3.6 Flash lists at $0.75 per million input tokens and $3.75 per million output tokens, with cached input at $0.075 (checked October 10, 2026). Introductory paid-tier rates through 2026-12-31; from 2027-01-01 the rates are $1.50 input, $7.50 output and $0.15 caching. Free tier available. Batch and Flex 50% off; Priority costs more. Confirm current rates on the provider's pricing page before you commit.

What is the context window of Gemini 3.6 Flash?

Gemini 3.6 Flash accepts up to 1,048,576 tokens of context (about 786,000 words, or 1,570 pages), and it can write up to 64K tokens in a single response. Long prompts cost more and can be slower, so most apps send only what the task needs.

Is Gemini 3.6 Flash open source?

No. Gemini 3.6 Flash is a proprietary model from Google; its weights aren't published. You can use it through the Google API and through Google Vertex AI, OpenRouter.

What is Gemini 3.6 Flash best for?

Google positions Gemini 3.6 Flash for coding, agents, multimodal, high volume. It accepts text, images, video, audio, pdf as input, has a reasoning (thinking) mode and supports tool calling. Test it on a sample of your own tasks before you choose it for production.

Sources

Facts checked against these pages on October 10, 2026. Spot an error? Tell us.

Still choosing a model?

Send us your use case and constraints. We'll come back with a shortlist and an evaluation plan you can run on your own data.

Free and vendor-neutral: no model provider pays for placement.
Your details go only to partners you agree to.