How much does Google: Gemini 3.5 Flash cost per 1M tokens?

Google: Gemini 3.5 Flash costs $1.50 per 1M input tokens and $9.00 per 1M output tokens on the standard tier. Cached input is $0.150 per 1M.

What is Google: Gemini 3.5 Flash's context window?

Google: Gemini 3.5 Flash accepts up to 1,048,576 tokens in a single request, and can return up to 65,536 output tokens.

Is there a cheaper OpenRouter model than Google: Gemini 3.5 Flash?

Yes. OpenAI: GPT-3.5 Turbo is $0.500 per 1M input tokens versus $1.50 for Google: Gemini 3.5 Flash, with a 16,385 token context window.

Where does this Google: Gemini 3.5 Flash price come from?

From the OpenRouter catalogue, because OpenRouter does not publish machine-readable pricing. OpenRouter is a reseller, so its rate can differ from OpenRouter's own — verify before committing spend.

Google: Gemini 3.5 Flash pricing

Gemini 3.5 Flash is Google's high-efficiency multimodal model, bringing near-Pro level coding and reasoning at Flash-tier cost and speed. Google: Gemini 3.5 Flash from OpenRouter costs $1.50 per 1M input tokens and $9.00 per 1M output tokens. Cached input is $0.150 per 1M. Context window 1,048,576 tokens.

API id google/gemini-3.5-flash · OpenRouter · source · updated 2026-09-25 · general-purpose

$1.50

Input / 1M tokens

$9.00

Output / 1M tokens

$0.150

Cached input / 1M

Context window

Google: Gemini 3.5 Flash specifications

Provider: OpenRouter
API id: google/gemini-3.5-flash
Model type: general-purpose
Context window: 1M tokens
Max output: 66K tokens
Currency: USD
Price source: Provider API
Last checked: 2026-09-25

Gemini 3.5 Flash across providers

The same model, priced by every seller we track. Ranked by the cost of 1M input + 1M output tokens, standard tier; savings measured against buying from the vendor directly.

Provider	Input /1M	Cached /1M	Output /1M	1M in + 1M out	vs vendor
GoogleVendorCheapest	$1.50	$0.150	$9.00	$10.50	—
DeepInfraHost	$1.50	—	$9.00	$10.50	—
OpenRouterHostviewing	$1.50	$0.150	$9.00	$10.50	—

What Google: Gemini 3.5 Flash costs in practice

Estimated cost at common usage volumes
Workload	Input tokens	Output tokens	Estimated cost
Short chat turn	1,000	500	$0.0060
Document summary	50,000	2,000	$0.09
1M tokens in, 200K out	1,000,000	200,000	$3.30

Estimates use the standard tier and ignore caching discounts, so real bills with repeated prompt prefixes are typically lower.

Google: Gemini 3.5 Flash price history

Recorded	Input /1M	Output /1M
2026-08-27	$1.50	$9.00
2026-08-27	$1.50	$9.00

Common questions

How much does Google: Gemini 3.5 Flash cost per 1M tokens?: Google: Gemini 3.5 Flash costs $1.50 per 1M input tokens and $9.00 per 1M output tokens on the standard tier. Cached input is $0.150 per 1M.
What is Google: Gemini 3.5 Flash's context window?: Google: Gemini 3.5 Flash accepts up to 1,048,576 tokens in a single request, and can return up to 65,536 output tokens.
Is there a cheaper OpenRouter model than Google: Gemini 3.5 Flash?: Yes. OpenAI: GPT-3.5 Turbo is $0.500 per 1M input tokens versus $1.50 for Google: Gemini 3.5 Flash, with a 16,385 token context window.
Where does this Google: Gemini 3.5 Flash price come from?: From the OpenRouter catalogue, because OpenRouter does not publish machine-readable pricing. OpenRouter is a reseller, so its rate can differ from OpenRouter's own — verify before committing spend.

Head-to-head comparisons

Compare Google: Gemini 3.5 Flash with another model →

Other OpenRouter models

See all OpenRouter pricing →