by Google DeepMind

Google: Gemini 3.5 Flash.

multimodal closed 1M ctx
Cheapest input
$1.5/M
on OpenRouter
Cheapest output
$9.0/M
on OpenRouter
Fastest
158 tok/s
on OpenRouter
Hosted equiv.
~$3.24/hr
@ 100 tok/s on OpenRouter

Gemini 3.5 Flash is Google's high-efficiency multimodal model, bringing near-Pro level coding and reasoning at Flash-tier cost and speed. It is highly optimized for coding proficiency and parallel agentic execution...

Hosted API only

No self-host path — closed weights.

Google: Gemini 3.5 Flash's weights aren't published. Use it via the access providers below.

Where to use it

Cheapest hosted endpoints.

Provider Access $/M in $/M out
OpenRouter api aggregator $1.5 $9.0 Launch ↗
Performance

Speed across providers.

Tokens/sec and time-to-first-token measured against the same prompt template on each provider's API.

Provider Tokens/sec TTFT Total
OpenRouter 157.7 3091 ms 3146 ms
FAQ

Frequently asked.

How do I run Google: Gemini 3.5 Flash?
Google: Gemini 3.5 Flash is a closed-source API model. The cheapest way to access it is through the API providers listed on this page (direct API, aggregators, and hosted chat UIs).
Where can I access Google: Gemini 3.5 Flash?
Google: Gemini 3.5 Flash is available via OpenRouter. Each access option lists its own pricing (per million tokens or hourly hosting).
How much does it cost to run Google: Gemini 3.5 Flash?
API pricing starts at $1.5/M input tokens and $9.0/M output tokens. Self-hosting cost depends on the GPU you rent — see the Run It Yourself tab.
Is Google: Gemini 3.5 Flash open-source or proprietary?
Google: Gemini 3.5 Flash is a proprietary model from Google DeepMind. Access is API-only — there are no public weights to download.