Traffic rank on Composite
#37 of 194
0.3% of tokens and 0.12% of requests over 30 days.
AI model
Google: Gemini 3.1 Flash Lite
google/gemini-3.1-flash-lite
Google: Gemini 3.1 Flash Lite is a 1,048,576-token model served on Composite at $0.156 per million tokens in and $0.938 per million tokens out. Ranked #37 of 194 models by traffic on Composite over the last 30 days, taking 0.3% of tokens and 0.12% of requests. Measured on Composite, 100.0% of its last 65 requests on Composite succeeded, the typical first token arrives in 1015 ms, output runs at about 372.6 tokens per second.
Try in PlaygroundSpecifications
| Model ID | google/gemini-3.1-flash-lite |
|---|---|
| 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)" 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 | 2 (base plus 1 routing variant) |
Success rate
100.0%
Across the last 65 requests Composite served for this model.
Time to first token
1015 ms
Median across the same sample.
Output speed
372.6 tok/s
Median generation rate after the first token.
Prompt cache hits
54.8%
Share of prompt tokens served from the provider's cache over 7 days.
Routing variants
The same model behind 1 alternative endpoint. Call the id directly to pin a route; the base id above picks for you.
| Route | Model ID | Provider | Price |
|---|---|---|---|
| cheapThink | google/gemini-3.1-flash-lite:cheapThink |
$0.156 per million tokens input · $0.938 per million tokens output |
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.
Related models
Composite Gemini Router · Google: Gemini 3.8 Flash (Drafted) · Google: Gemini 3.7 Flash (Drafted)