AI model
google/gemini-3-flash-preview-reasoning
Google: Gemini 3 Flash Preview (Reasoning) is a 1,048,576-token model served on Composite at $0.313 per million tokens in and $1.88 per million tokens out.
Try in Playground| Model ID | google/gemini-3-flash-preview-reasoning |
|---|---|
| Provider | |
| Context window | 1,048,576 tokens |
| Accepts | text, image, file, audio, video |
| Returns | text |
| Input price | $0.313 per million tokens |
| Output price | $1.88 per million tokens |
| Prompt caching | Supported — cached input is billed at the provider's cache rate, on credits and plans alike |
| Image input | $3.1e-7 per image |
| Audio input | $6.2e-7 per second |
| Reasoning tokens | $1.88 per million tokens |
| Web search | $0.0175 per result |
| Thinking | Optional - see "Google: Gemini 3 Flash Preview (Reasoning) (Reasoning)" in the catalog to turn it on by default |
| Moderated | No |
| Cost on a monthly plan | About 3.5 plan credits per typical call (8k in, 1k out) |
| Routing endpoints | 1 |
Make a Composite API key and type google/gemini-3-flash-preview-reasoning as the model name. JanitorAI takes the full URL https://composite.lucidity.sh/v1/chat/completions; SillyTavern, ChubAI, Agnai and RisuAI take https://composite.lucidity.sh/v1. It runs on credits, a plan, or your own provider key.
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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.
$0.313 per million tokens input · $1.88 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 3.5 plan credits, at the provider's own price.
Gemini models combine large context windows with fast throughput, which keeps response times low even in busy group chats.
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.
It is priced low enough for high-volume daily roleplay without the per-message cost adding up quickly.
Gemini 3 Flash Preview is a high speed, high value thinking model designed for agentic workflows, multi turn chat, and coding assistance. It delivers near Pro level reasoning and tool...
Supplied by Google, not written by Composite.
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