Google: Gemini 3.1 Flash Lite pricing and limits

id google/gemini-3.1-flash-lite · listed 2026-05-07

Input (per 1M tokens)	$0.250
Output (per 1M tokens)	$1.500
Cached input read (per 1M)	$0.025
Cache write (per 1M)	$0.083
Per image	$2.5e-7
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: $0.70.

Gemini 3.1 Flash Lite is Google’s GA high-efficiency multimodal model optimized for low-latency, high-volume workloads. It supports text, image, video, audio, and PDF inputs, and is designed for lightweight agentic...

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
Auto Router	$-1000000.000	$-1000000.000	2,000,000
Meta: Llama 4 Scout	$0.100	$0.300	1,310,720
OpenAI: GPT-6 Luna Pro	$0.100	$0.500	1,050,000
OpenAI: GPT-6 Luna Pro (batch)	$0.050	$0.250	1,050,000

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-3.1-flash-lite (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