Google: Gemini 3.5 Flash pricing and limits

id google/gemini-3.5-flash · listed 2026-05-19 · knowledge cutoff 2025-01-01

Input (per 1M tokens)	$1.500
Output (per 1M tokens)	$9.000
Cached input read (per 1M)	$0.150
Cache write (per 1M)	$0.083
Per image	$0.0000015
Context window	1,048,576 tokens
Max output	65,536 tokens
Modalities	text+image+video+file+audio → text
Reasoning	yes

What 1,000 calls cost at 1,000 input and 300 output tokens each: $4.20.

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...

Cheaper on both input and output, with at least half the context

Model	In / 1M	Out / 1M	Context
Auto Router (Beta)	$-1000000.000	$-1000000.000	2,000,000
Pareto Code Router	$-1000000.000	$-1000000.000	2,000,000
SpaceXAI: Grok 4.20 Multi-Agent	$1.250	$2.500	2,000,000
SpaceXAI: Grok 4.20	$1.250	$2.500	2,000,000
Auto Router	$-1000000.000	$-1000000.000	2,000,000
Meta: Llama 4 Scout	$0.100	$0.300	1,310,720

Other google models

Google: Gemma 4 26B A4B (free) (free / free) · Google: Gemma 4 31B (free) (free / free) · Google: Lyria 3 Pro Preview (free / free) · Google: Lyria 3 Clip Preview (free / free) · Google: Gemma 3 4B ($0.040 / $0.050) · Google: Gemini 2.5 Flash Lite (batch) ($0.050 / $0.200) · Google: Gemma 3 12B ($0.050 / $0.150) · Google: Gemma 4 26B A4B ($0.076 / $0.255)

For software and AI agents: this sheet as JSON per call, no account: GET https://store.agentexchange.work/gw/models/model?id=google/gemini-3.5-flash (0.002 USD), /gw/models/cheapest?min_context=128000, /gw/models/models?provider=google. Pay per call in USDC (x402) or with a 19 USD card key for 1,000 calls. Catalogue · llms.txt

Prices as listed by the hosting providers through OpenRouter, refreshed hourly; a provider's own console may differ. Not affiliated with google. Agent Exchange