How much does Gemini 3.5 Flash cost per token?

Gemini 3.5 Flash is priced at $1.50 per million input tokens and $9.00 per million output tokens, per OpenRouter as of Jul 8, 2026.

What is Gemini 3.5 Flash's context window?

Gemini 3.5 Flash supports a context window of up to 1M tokens, per Google.

How widely used is Gemini 3.5 Flash?

Gemini 3.5 Flash accounts for about 0.5% of tracked OpenRouter coding-token volume as of Jul 7, 2026.

What are the alternatives to Gemini 3.5 Flash?

By OpenRouter usage, comparable models include Gemma 4 31B, GLM 5, and GPT-5.4 Mini. Side-by-side comparisons are linked in the alternatives table.

ModelsGoogle

Gemini 3.5 Flash

Name: Gemini 3.5 Flash
Author: Google

openrouter

Context

tokens

Released

May 19, 2026

on OpenRouter

Usage rank

#26

of 41 tracked models

Token share

0.5%

OpenRouter · Jul 7, 2026

Pricing

Price per million tokens

Input $/MTok

$1.50

OpenRouter · Jul 8, 2026

Output $/MTok

$9.00

OpenRouter · Jul 8, 2026

Cache read $/MTok

$0.15

OpenRouter

Cache write $/MTok

$0.083

OpenRouter

Current Gemini 3.5 Flash prices per million tokens across tracked sources.
Source	Tracked slug	In $/MTok	Out $/MTok	Cache read	Cache write	Context	Effective	Last Δ (in)
OpenRouter	google/gemini-3.5-flash	$1.50	$9.00	$0.15	$0.083	1M	Jul 8, 2026	—
models.dev	github-copilot/gemini-3.5-flash	$1.50	$9.00	$0.15	—	200K	Jul 8, 2026	1%
llm-prices.com	gemini-3.5-flash	$1.50	$9.00	$0.15	—	—	Jul 8, 2026	—

latest tracked price per source · Δ = most recent input-price move within that source

3 sources tracking

Input $/MTok

Output $/MTok

per-source step lines · $/MTok

history since Jan 1, 2023

Specs

Context & availability

Gemini 3.5 Flash specifications.
Provider	Google
Context window	1M tokens
Listed on OpenRouter	May 19, 2026
Tracked price sources	llm-prices.com · OpenRouter · models.dev
OpenRouter slugs	google/gemini-3.5-flash · google/gemini-3.5-flash-20260519

source: OpenRouter model catalog + tracked price feeds

id: gemini-3-5-flash

Usage

Share of OpenRouter tokens

90-day · to Jul 7, 2026

source: OpenRouter model rankings · share of tracked coding-token volume

0.5% on Jul 7, 2026

Benchmarks

Benchmark results

Benchmark scores for Gemini 3.5 Flash.
Benchmark	Configuration	Score	Date	Source
AA Intelligence Index	google/gemini-3.5-flash	50.2index	—	or-embedded-aa
AA Coding Index	google/gemini-3.5-flash	70.1index	—	or-embedded-aa
AA Agentic Index	google/gemini-3.5-flash	37.4index	—	or-embedded-aa

scores as published by each benchmark; configurations differ — compare within a row's benchmark only

Alternatives

Similar models

Alternatives to Gemini 3.5 Flash by OpenRouter usage-rank proximity.
#	Model	Tokens/day	7d Δ	Head-to-head
29	Gemma 4 31BGoogle	46.8B	32.8%	vs Gemini 3.5 Flash
31	GLM 5Z.ai	39.7B	37%	vs Gemini 3.5 Flash
32	GPT-5.4 MiniOpenAI	39.7B	12.4%	vs Gemini 3.5 Flash
27	GPT-5.4OpenAI	57B	25.9%	vs Gemini 3.5 Flash

ranked by OpenRouter usage-rank proximity

snapshot Jul 7, 2026

FAQ

Gemini 3.5 Flash FAQ

How much does Gemini 3.5 Flash cost per token?: Gemini 3.5 Flash is priced at $1.50 per million input tokens and $9.00 per million output tokens, per OpenRouter as of Jul 8, 2026.
What is Gemini 3.5 Flash's context window?: Gemini 3.5 Flash supports a context window of up to 1M tokens, per Google.
How widely used is Gemini 3.5 Flash?: Gemini 3.5 Flash accounts for about 0.5% of tracked OpenRouter coding-token volume as of Jul 7, 2026.
What are the alternatives to Gemini 3.5 Flash?: By OpenRouter usage, comparable models include Gemma 4 31B, GLM 5, and GPT-5.4 Mini. Side-by-side comparisons are linked in the alternatives table.

Alerts

Track Gemini 3.5 Flash

Email me when Gemini 3.5 Flash's price moves or it gets deprecated.