Pricingby GlyphGemini 3.1 Flash Lite is Google’s GA high-efficiency multimodal model optimized for low-latency, high-volume workloads.
Ways to buy 8
| Way to buy | Input | Output | In / out per 1M | Cached | Vs list |
|---|---|---|---|---|---|
global-flex, cheapest · cached $0.013 | $0.125 | $0.75 | $0.125 / $0.75-50% vs list | $0.013 | -50% vs list |
flex · cached $0.013 | $0.125 | $0.75 | $0.125 / $0.75-50% vs list | $0.013 | -50% vs list |
The lab's own API · cached $0.025 | $0.25 | $1.5 | $0.25 / $1.5List price | $0.025 | List price |
global · cached $0.025 | $0.25 | $1.5 | $0.25 / $1.5Same as list | $0.025 | Same as list |
eu · cached $0.028 | $0.275 | $1.65 | $0.275 / $1.65+10% vs list | $0.028 | +10% vs list |
us · cached $0.028 | $0.275 | $1.65 | $0.275 / $1.65+10% vs list | $0.028 | +10% vs list |
global-priority · cached $0.045 | $0.45 | $2.7 | $0.45 / $2.7+80% vs list | $0.045 | +80% vs list |
priority · cached $0.045 | $0.45 | $2.7 | $0.45 / $2.7+80% vs list | $0.045 | +80% vs list |
USD per 1M tokens; batch $0.125 in, $0.75 out on the lab's API. Regions are separate routes.
Through a gateway
Your own numbers100M input and 20M output tokens a month: $55.00 direct.
Kong AI Gateway$55.00+0%
LiteLLM$55.00+0%
Neon AI Gateway$55.00+0%
Vercel AI Gateway$55.00+0%
Cloudflare AI Gateway$57.75+5%
Requesty$57.75+5%
Eden AI$58.02+5.5%
OpenRouter$58.02+5.5%
HeliconeNot offeredNot offered
A dash: not on that gateway's own model list. No published token fee: Martian Gateway, Portkey, TrueFoundry AI Gateway.
Related models
| In / out per 1M | Cheapest route | |||||||
|---|---|---|---|---|---|---|---|---|
Google · 131K | $1.5 | $9 | $1.5 / $9 | $3.38 | 131K | Lab list price | · | Gemini Omni 1.2 Flash is Google's native multimodal video generation and editing model, the successor to Gemini Omni 1.1 Flash. |
Google · 131K | $1.5 | $9 | $1.5 / $9 | $3.38 | 131K | Lab list price | · | Gemini Omni 1.1 Flash is Google's native multimodal video generation and editing model, the generally available successor to Gemini Omni Flash Preview. |
Google · 1MCheapest: $2 on Google Gemini API (flex) | $2 | $10 | $2 / $10 | $4 | 1M | $2 on Google Gemini API (flex) | · | Gemini 4 Argon is Google's flagship reasoning model, built for complex software engineering, deep mathematical and scientific problem solving, and autonomous multi-step agents. |
Google · 66K | $1.5 | $7.5 | $1.5 / $7.5 | $3 | 66K | Lab list price | · | Nano Banana 2.1 (Gemini Nano Banana 2.1) is Google's image generation and editing model on the Flash tier, succeeding Nano Banana 2 and Nano Banana Pro. |
DeepSeek · 1MCheapest: $0.081 on Particle AI (us-flex) | $0.15 | $0.6 | $0.15 / $0.6 | $0.262 | 1M | $0.081 on Particle AI (us-flex) | · | DeepSeek V4.1 Flash 1017 is the October 17, 2026 snapshot of DeepSeek V4.1 Flash, served by DeepSeek under the deepseek-flash API model name. |
Z.ai · 1M | $0.179 | $1.4 | $0.179 / $1.4 | $0.484 | 1M | on Wafer (fp4) | · | GLM-5.3 is a large-scale reasoning model from Z.ai, built for complex software engineering and long-horizon agent tasks. |
Z.ai · 1M | $0.37 | $1.25 | $0.37 / $1.25 | $0.59 | 1M | Lab list price | · | GLM-5.3-FlashX-Legal (GLM-Legal) is Z.ai's legal-domain variant of GLM-5.3-FlashX, a native multimodal model that accepts text, image, and video input and produces text. |
 Titan Multimodal Embeddings G1Amazon Nova · 0K | $0.8 | Free | $0.8 / Free | $0.6 | 0K | Lab list price | · | Amazon Titan Multimodal Embeddings G1 embeds text, images, or text and image together into a shared vector space for multimodal search and recommendation. |
About Gemini 3.1 Flash Lite
Takes text, image, video, files, audio in and returns text. First listed May 13, 2026. Up to 66K output tokens. Blended price $0.563 per 1M tokens at 3 input to 1 output. Model id gemini-3-1-flash-lite.
Price history
List price since May 13, 2026, from Internet Archive snapshots of the OpenRouter catalog, then daily reads.
Questions
How much does Gemini 3.1 Flash Lite cost?
$0.25 per million input tokens and $1.5 per million output tokens, with cached input at $0.025, or $0.125 and $0.75 through the Batch API.
What is the context window of Gemini 3.1 Flash Lite?
1M tokens, with up to 66K tokens of output.
Where is Gemini 3.1 Flash Lite cheapest?
Of 8 routes tracked, Google Vertex AI is cheapest at $0.125 input and $0.75 output per million tokens.