Gemini 3.1 Flash Lite Preview
Google · Reasoning · 1M context · released Mar 3, 2026 · checked 13h ago
Gemini 3.1 Flash Lite Preview is Google's high-efficiency model optimized for high-volume use cases.
Ways to buy 3
| Way to buy | Input | Output | In / out per 1M | Cached | Vs list |
|---|---|---|---|---|---|
flex, cheapest · 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 |
priority · cached $0.045 | $0.45 | $2.7 | $0.45 / $2.7+80% vs list | $0.045 | +80% vs list |
USD per 1M tokens. Regions are separate routes.
Through a gateway
Your own numbers100M input and 20M output tokens a month: $55.00 direct.
Helicone$55.00+0%
Kong AI Gateway$55.00+0%
LiteLLM$55.00+0%
Eden AI$58.02+5.5%
OpenRouter$58.02+5.5%
Cloudflare AI GatewayNot offeredNot offered
Martian GatewayNot offeredNot offered
Neon AI GatewayNot offeredNot offered
RequestyNot offeredNot offered
Vercel AI GatewayNot offeredNot offered
A dash: not on that gateway's own model list. No published token fee: 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. |
Amazon 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 Preview
Takes text, image, video, files, audio in and returns text. First listed Mar 6, 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-preview.
Price history
List price since Mar 6, 2026, from Internet Archive snapshots of the OpenRouter catalog, then daily reads.
Questions
How much does Gemini 3.1 Flash Lite Preview cost?
$0.25 per million input tokens and $1.5 per million output tokens, with cached input at $0.025.
What is the context window of Gemini 3.1 Flash Lite Preview?
1M tokens, with up to 66K tokens of output.
Where is Gemini 3.1 Flash Lite Preview cheapest?
Of 3 routes tracked, Google Gemini API is cheapest at $0.125 input and $0.75 output per million tokens.