Gemini 3.1 Flash Lite
Chat model by Google.
Gemini 3.1 Flash-Lite is Google's lightweight multimodal foundation model for high-throughput tasks. It processes up to 1,048,576 input tokens across text, audio, video, image, and PDF, with 65,536 max output tokens for translation, transcription, and classification.
Context window
Maximum input context length.
1.05M
Max output
Maximum completion tokens per request.
66K
Maker
Specifications
Context window, ranked against other chat models
Proportional scale: 0 to 1.05M tokens. Not ranked, no published context window: glm-5.3-prime, qwen3-235b-a22b-2507, qwen3.7-max-2026-05-17, llama4-maverick-17b-instruct.
1.0M
tokens66K
tokenschat
Benchmarks & performance rankings
Empirical intelligence benchmarks and category leaderboard placements for Gemini 3.1 Flash Lite.
Pricing
Rates are read live
Pricing for gemini-3.1-flash-lite is fetched from the live catalogue on load, so it is never served from a cache that could outlive a repricing.
Provider-Reported Capabilities
What the hosting provider reports for this model, shown as it was returned. nRouter adds nothing to this report and infers nothing that is missing from it.
default
GA
{}
Availability
Not enough data yet
We have not collected enough health probes for this model to publish an uptime or latency figure. A percentage from a handful of samples is fabricated precision, so none is shown until the sample count supports one.
How Gemini 3.1 Flash Lite is billed
Billed at the provider's list price, with no per-token markup.
- Exact list price
- Tokens settle at the published rate of the model that served your call.
- Cache discounts passed through
- Provider prompt-caching discounts reach your balance with no added fee.
- Cost on every response
- Each response carries the
x-nr-request-costheader, so you can reconcile spend per request.
More from Google
Start building with gemini-3.1-flash-lite
One API key, three steps. Choose your tool to begin.
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export NROUTER_API_KEY="<YOUR_API_KEY>"Configure Claude Code
Choose a tool, then copy its setup from the panel.
FAQs
What is Gemini 3.1 Flash Lite?
Gemini 3.1 Flash-Lite is Google's lightweight multimodal foundation model for high-throughput tasks. It processes up to 1,048,576 input tokens across text, audio, video, image, and PDF, with 65,536 max output tokens for translation, transcription, and classification.
How much does Gemini 3.1 Flash Lite cost?
Gemini 3.1 Flash Lite is billed at the provider's list price on nRouter with no per-token markup — tokens settle at the exact upstream rate. Input and output rates are read live, so see the pricing section above for the current figures.
What is the context length of Gemini 3.1 Flash Lite?
Gemini 3.1 Flash Lite supports a 1,048,576-token context window. It can generate up to 65,536 output tokens per request.
Does Gemini 3.1 Flash Lite support tool calling and structured outputs?
Yes. Gemini 3.1 Flash Lite supports tool calling (function calling), so it can invoke external tools and APIs during a conversation.
What inputs and outputs does Gemini 3.1 Flash Lite support?
Gemini 3.1 Flash Lite takes text as input and returns text as output.
How do I use Gemini 3.1 Flash Lite via nRouter?
Use any OpenAI-compatible client: point it at https://api.nrouter.ai/v1 with your nRouter API key and set the model to "vertex_ai/google/gemini-3.1-flash-lite". The quick-start panel above has a copy-paste curl command for this model.
When was Gemini 3.1 Flash Lite released?
Gemini 3.1 Flash Lite was released on May 7, 2026.
Where is the Gemini 3.1 Flash Lite documentation?
Start at nrouter.ai/docs. The quick-start guide (nrouter.ai/docs/getting-started/quick-start) covers API keys and your first request, and the API reference (nrouter.ai/docs/api-reference) lists every parameter.
What other text models does Google have?
Other Google text models on nRouter include Gemma 3 12B Instruct (nrouter.ai/models/gemma-3-12b-it), Gemma 3 4B Instruct (nrouter.ai/models/gemma-3-4b-it), Gemini 3.5 Live Translate Preview (nrouter.ai/models/gemini-3.5-live-translate-preview), Gemini 3.7 Flash (nrouter.ai/models/gemini-3.7-flash).