Last refreshed 2026-06-15. Next refresh: weekly.
Why use Gemini 3.1 Flash Lite Preview on OpenRouter?
OpenRouter offers Gemini 3.1 Flash Lite Preview with pay-as-you-go pricing at $0.25/1M input tokens. OpenRouter is a multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.
Compare Gemini 3.1 Flash Lite Preview across 4 providers to find the best fit for your use caseInput / 1M
$0.25
Output / 1M
$1.50
Cache
Not sourced
Batch
Not sourced
Setup recipe
Docs fallbackInstall
Use the provider REST API or SDKAuth
Create a provider API keyCall
model: google/gemini-3.1-flash-lite-previewModel ID
google/gemini-3.1-flash-lite-previewRequest example
Curated snippets for this provider are not sourced yet. Use OpenRouter documentation with model ID
google/gemini-3.1-flash-lite-preview.Gotchas
- Use provider model ID "google/gemini-3.1-flash-lite-preview", not the LLMReference slug "gemini-3.1-flash-lite-preview".
Compare Gemini 3.1 Flash Lite Preview Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Google AI Studio | $0.25 | $1.50 |
| GCP Vertex AI | $0.25 | $1.50 |
| OpenRouter | $0.25 | $1.50 |
| Vercel AI Gateway | $0.25 | $1.50 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.25 |
| Output tokens | $1.50 |
Capabilities
VisionMultimodalJSON / Tool useStructured OutputsCode Execution
About Gemini 3.1 Flash Lite Preview
Preview-stage Gemini 3.1 Flash-Lite model shut down on 2026-05-25; use gemini-3.1-flash-lite GA instead.
Get Started
Model Specs
Released2026-03-03
Context1m
ArchitectureDecoder Only
Knowledge cutoff2025-01