How much does Gemini 3.5 Flash Lite cost?

Gemini 3.5 Flash Lite costs $0.30/M input tokens and $2.50/M output tokens, with separate rates for Cache Read at $0.03/M tokens, Cache Write at $0.08333/M tokens, Image Input at $0.30/M tokens, Input Audio at $0.30/M tokens, Input Audio Cache at $0.03/M tokens, and Web Search at $14.00/1K calls.

What is the context length of Gemini 3.5 Flash Lite?

Gemini 3.5 Flash Lite has a 1,048,576 token context window. It supports up to 65,536 completion tokens.

Does Gemini 3.5 Flash Lite support tool calling and structured outputs?

Yes. Gemini 3.5 Flash Lite accepts tools and tool_choice for function calling. It also supports structured outputs via a JSON schema in response_format.

What inputs and outputs does Gemini 3.5 Flash Lite support?

Gemini 3.5 Flash Lite accepts text, images, video, files such as PDFs, and audio as input and returns text.

Which providers serve Gemini 3.5 Flash Lite?

Gemini 3.5 Flash Lite is served by 2 providers on OpenRouter: Google Vertex and Google AI Studio. Requests are routed to the best available provider, with automatic failover to the others, and you can pin or exclude providers with provider routing.

When was Gemini 3.5 Flash Lite released?

Gemini 3.5 Flash Lite was released on July 21, 2026.

Google: Gemini 3.5 Flash Lite

google/gemini-3.5-flash-lite

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Gemini 3.5 Flash Lite is a high-efficiency model from Google with upgraded agentic capabilities. It is suited for subagents that execute focused tasks within complex, multi-agent workflows.

Modalities

In / out price

$0.30 / $2.50per 1M

Context

1.0M

Released

Jul 21, 2026

Providers

Different companies host the same model. OpenRouter routes your request to one of them based on the routing mode you pick: Balanced (price + speed), Nitro (fastest), or Floor (cheapest).

Latency / throughput


	$0.30	$2.50	$0.03	$0.03	0.93s	125 tok/s	100.00%
	$0.30	$2.50	$0.03	$0.03	0.70s	126 tok/s	100.00%
Not used in Standard routing:Why these endpoints are not used
Flex	$0.15	$1.25	$0.015	$0.015	6.80s	19 tok/s	99.53%
Flex	$0.15	$1.25	$0.015	$0.015	0.97s	211 tok/s	100.00%
	$0.33	$2.75	$0.033	$0.033	0.49s	241 tok/s	100.00%
	$0.33	$2.75	$0.033	$0.033	0.62s	95 tok/s	100.00%
Priority	$0.54	$4.50	$0.054	$0.054	0.82s	141 tok/s	100.00%
Priority	$0.54	$4.50	$0.054	$0.054	0.87s	136 tok/s	100.00%

Input $0.30Output $2.50
125 tok/s100.00% uptime
Input $0.30Output $2.50
126 tok/s100.00% uptime
Not used in Standard routing:Why these endpoints are not used
Input $0.15Output $1.25
Flex
19 tok/s99.53% uptime
Input $0.15Output $1.25
Flex
211 tok/s100.00% uptime
Input $0.33Output $2.75
241 tok/s100.00% uptime
Input $0.33Output $2.75
95 tok/s100.00% uptime
Input $0.54Output $4.50
Priority
141 tok/s100.00% uptime
Input $0.54Output $4.50
Priority
136 tok/s100.00% uptime

Pricing

The average price customers actually pay for this model, next to the prices providers post. Caching and discounts mean the price actually paid is often well below the listed one.

Weighted average

Input

$0.2278/M tokens

Output

$2.414/M tokens

Gemini 3.5 Flash Lite — Price history

Price history

No effective price data for this selection

		$0.2195	$2.50	33.6%	10.2%
		$0.2487	$2.50	20.0%	74.0%
Not used in Standard routing:Why these endpoints are not used
	Flex	$0.0940	$1.25	41.4%	7.1%
	Flex	$0.1112	$1.25	30.4%	7.1%
		$0.2946	$2.75	12.2%	0.2%
		$0.3095	$2.75	7.2%	0.2%
	Priority	$0.5047	$4.50	7.4%	0.9%
	Priority	$0.5360	$4.50	0.8%	0.3%

Effective in $0.2195Effective out $2.50
Token share
10.2%
Effective in $0.2487Effective out $2.50
Token share
74.0%
Not used in Standard routing:Why these endpoints are not used
Effective in $0.0940Effective out $1.25
FlexToken share
7.1%
Effective in $0.1112Effective out $1.25
FlexToken share
7.1%
Effective in $0.2946Effective out $2.75
Token share
0.2%
Effective in $0.3095Effective out $2.75
Token share
0.2%
Effective in $0.5047Effective out $4.50
PriorityToken share
0.9%
Effective in $0.5360Effective out $4.50
PriorityToken share
0.3%

Uptime

Uptime is the percentage of the past 3 days that at least one provider was responding to requests. Availability is the percentage of time that inference was successfully served. OpenRouter continuously monitors and uses the next-best provider when one returns an error.

Uptime (3d)

100.00%

Availability (3d)

99.73%

Availability over the last 3 days

Last 72 hours

Availability 99.73%

3 Days Ago2 Days AgoYesterdayNow

Availability over the last 24 hours

OpenRouter Availability

99.79%

Without Routing

99.41%

When an error occurs in an upstream provider, we can recover by routing to another healthy provider, if your request filters allow it. You can access per-provider uptime data programmatically through the Endpoints API. Learn more about our load balancing and provider routing options.

Benchmarks

Scores on standardized evaluations and this model’s own outputs on shared benchmark prompts. Higher percentages are better — and each rank shows where this model lands among the models evaluated on that source.

Benchmark score summary for Google: Gemini 3.5 Flash Lite (Artificial Analysis and Vals AI)
Source	Benchmark	Score
Artificial Analysis	Gemini 3.5 Flash-Lite Intelligence Index	11.7
Artificial Analysis	Gemini 3.5 Flash-Lite Coding Index	49.3
Artificial Analysis	Gemini 3.5 Flash-Lite Agentic Index	14.3
Artificial Analysis	Gemini 3.5 Flash-Lite GPQA Diamond	83.8%
Artificial Analysis	Gemini 3.5 Flash-Lite HLE	18.8%
Artificial Analysis	Gemini 3.5 Flash-Lite AA-LCR	76.0%
Artificial Analysis	Gemini 3.5 Flash-Lite τ-Bench Banking	17.5%
Artificial Analysis	Gemini 3.5 Flash-Lite GDPval-AA	24.7%
Artificial Analysis	Gemini 3.5 Flash-Lite CritPt	0.0%
Artificial Analysis	Gemini 3.5 Flash-Lite SciCode	41.3%
Artificial Analysis	Gemini 3.5 Flash-Lite Terminal-Bench 4.0	1.0%
Artificial Analysis	Gemini 3.5 Flash-Lite Terminal-Bench 2.1	53.6%
Artificial Analysis	Gemini 3.5 Flash-Lite AA-Omniscience Accuracy	26.5%
Artificial Analysis	Gemini 3.5 Flash-Lite AA-Omniscience Non-Hallucination Rate	73.3%
Vals AI	Gemini 3.5 Flash Lite Code Migration	6.1%
Vals AI	Gemini 3.5 Flash Lite CorpFin v2	60.7%
Vals AI	Gemini 3.5 Flash Lite CyberBench v1.1	59.1%
Vals AI	Gemini 3.5 Flash Lite EMB	43.2%
Vals AI	Gemini 3.5 Flash Lite Finance Agent (v2)	47.4%
Vals AI	Gemini 3.5 Flash Lite Financial Coaching Bench	57.5%
Vals AI	Gemini 3.5 Flash Lite GPQA Diamond	83.8%
Vals AI	Gemini 3.5 Flash Lite Harvey's Legal Agent Benchmark v1	0.0%
Vals AI	Gemini 3.5 Flash Lite Immigration	55.7%
Vals AI	Gemini 3.5 Flash Lite IOI v1	26.2%
Vals AI	Gemini 3.5 Flash Lite LiveCodeBench	79.0%
Vals AI	Gemini 3.5 Flash Lite LegalBench	84.1%
Vals AI	Gemini 3.5 Flash Lite Legal Research Bench	13.9%
Vals AI	Gemini 3.5 Flash Lite MedCode	43.5%
Vals AI	Gemini 3.5 Flash Lite MedScribe	70.9%
Vals AI	Gemini 3.5 Flash Lite MMLU Pro	85.8%
Vals AI	Gemini 3.5 Flash Lite MMMU Pro	83.6%
Vals AI	Gemini 3.5 Flash Lite MortgageTax	68.7%
Vals AI	Gemini 3.5 Flash Lite ProgramBench	0.0%
Vals AI	Gemini 3.5 Flash Lite ProofBench v1	13.0%
Vals AI	Gemini 3.5 Flash Lite Public Benefits Bench v1.1	51.8%
Vals AI	Gemini 3.5 Flash Lite SAGE	79.5%
Vals AI	Gemini 3.5 Flash Lite SWE-bench	75.0%
Vals AI	Gemini 3.5 Flash Lite Tax Agent Bench	7.3%
Vals AI	Gemini 3.5 Flash Lite TaxEval v2	72.6%
Vals AI	Gemini 3.5 Flash Lite Terminal-Bench 2.1	50.2%
Vals AI	Gemini 3.5 Flash Lite Vals Index	36.7%
Vals AI	Gemini 3.5 Flash Lite Vibe Code Bench v1.1	37.2%

Available through EU in-region routing

Google: Gemini 3.5 Flash Lite is available through EU in-region routing. Requests sent to eu.openrouter.ai are decrypted in the EU and routed only to shared provider endpoints in Europe (the EU/EEA, the UK, and Switzerland).

Providers in Europe

Google Vertex

Prices in Europe

Google Vertex: $0.33/M tokens input, $2.75/M tokens output

Base URL

https://eu.openrouter.ai/api/v1

Plan

Requires Business or Enterprise. Self-serve on Business: no contract, no monthly minimum. OpenRouter Business for EU in-region routing

Fails closed: if no shared provider endpoint in Europe is available, the request errors instead of leaving the region. Requests served by your own BYOK key go to your deployment’s region, which you control. In-region routing docs

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Gemini 4 Hydrogen (batch)

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Gemini Decision 1

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It reads text, images, audio, video, and documents (PDF, CSV, and Office files) sent inline as base64 or by public URL. Every question needs instructions.

Decisions$0.10 / $0

Gemini 4 Carbon

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Gemini Omni 1.2 Flash

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Note: video generation is only supported through the Video Generation API. See the guide: https://openrouter.ai/docs/guides/overview/multimodal/video-generation

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Gemini Omni 1.1 Flash

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Gemini 4 Argon

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Nano Banana 2.1

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Gemini 3.5 Transcribe

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Gemini 3.8 Flash Lite TTS

Gemini 3.8 Flash Lite TTS is a text-to-speech model from Google and the fast, high-throughput member of the 3.8 TTS family alongside Gemini 3.8 Flash TTS. It is suited for conversational voice-agent pipelines, high-volume read-aloud, and voice replication workloads where latency and cost matter more than maximum expressiveness.

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Gemini 3.8 Flash TTS

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Gemini 3.8 Flash

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Text1.0M context$0.75 / $3.75

Gemini 3.8 Flash (batch)

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Gemini 3.7 Flash

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Gemini 3.7 Flash (batch)

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Gemini 3.6 Flash

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Gemini 3.6 Flash (batch)

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Gemini 3.5 Flash Lite (batch)

Gemini 3.5 Flash Lite is a high-efficiency model from Google with upgraded agentic capabilities. It is suited for subagents that execute focused tasks within complex, multi-agent workflows.

Text1.0M context$0.15 / $1.25

Google: Gemini 3.5 Flash Lite

Providers