Measured on Composite
This model has not carried enough traffic on Composite yet to publish a success rate, a latency figure or a traffic rank. The numbers appear here once it has.
AI model
Google: Gemini 3.1 Flash Lite (Reasoning)
google/gemini-3.1-flash-lite-reasoning
Google: Gemini 3.1 Flash Lite (Reasoning) is a 1,048,576-token model served on Composite at $0.156 per million tokens in and $0.938 per million tokens out.
Try in PlaygroundSpecifications
| Model ID | google/gemini-3.1-flash-lite-reasoning |
|---|---|
| Provider | |
| Context window | 1,048,576 tokens |
| Accepts | text, image, video, file, audio |
| Returns | text |
| Input price | $0.156 per million tokens |
| Output price | $0.938 per million tokens |
| Prompt caching | Supported — cached input is billed at the provider's cache rate, on credits and plans alike |
| Image input | $1.6e-7 per image |
| Audio input | $3.1e-7 per second |
| Reasoning tokens | $0.938 per million tokens |
| Web search | $0.0175 per result |
| Thinking | Optional - see "Google: Gemini 3.1 Flash Lite (Reasoning) (Reasoning)" in the catalog to turn it on by default |
| Moderated | No |
| Cost on a monthly plan | About 1.8 plan credits per typical call (8k in, 1k out) |
| Routing endpoints | 1 |
Pricing
$0.156 per million tokens input · $0.938 per million tokens output
Credits pay the provider’s price plus 25%; cache hits cost less.
On a monthly plan, a typical call (8k tokens in, 1k out) uses about 1.8 plan credits, at the provider's own price.
Provider
Roleplay fit
Gemini models combine large context windows with fast throughput, which keeps response times low even in busy group chats.
Context behavior
With a 1,048,576-token context window, it can hold a long-running roleplay or a full lorebook in memory without losing earlier plot details, so it suits multi-session campaigns and character cards with heavy backstory.
Cost for regular use
It is priced low enough for high-volume daily roleplay without the per-message cost adding up quickly.
From the provider
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...
Supplied by Google, not written by Composite.
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