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
MoonshotAI: Kimi K3.1 Pro (Reasoning)
moonshotai/kimi-k3.1-pro-reasoning
MoonshotAI: Kimi K3.1 Pro (Reasoning) is a 1,048,576-token model served on Composite at $2.50 per million tokens in and $12.5 per million tokens out.
Try in PlaygroundSpecifications
| Model ID | moonshotai/kimi-k3.1-pro-reasoning |
|---|---|
| Provider | cv11 |
| Context window | 1,048,576 tokens |
| Accepts | text, image, video |
| Returns | text |
| Input price | $2.50 per million tokens |
| Output price | $12.5 per million tokens |
| Prompt caching | Supported — cached input is billed at the provider's cache rate, on credits and plans alike |
| Thinking | Optional - see "MoonshotAI: Kimi K3.1 Pro (Reasoning) (Reasoning)" in the catalog to turn it on by default |
| Moderated | No |
| Cost on a monthly plan | About 26 plan credits per typical call (8k in, 1k out) |
| Routing endpoints | 1 |
Pricing
$2.50 per million tokens input · $12.5 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 26 plan credits, at the provider's own price.
Provider
cv11
Roleplay fit
Kimi models are tuned for long-context recall, which helps a roleplay stay consistent with events from many messages earlier.
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 sits in the mid-range on price, a reasonable pick for regular roleplay use without going for the cheapest option available.
From the provider
Kimi K3.1 Pro is Moonshot AI's flagship open-weight multimodal reasoning model and a post-trained successor to Kimi K3, with a 1M-token context window. It is built for long-horizon coding, 3D...
Supplied by cv11, not written by Composite.
Related models
MoonshotAI: Kimi K3.1 Pro · MoonshotAI: Kimi K3 · MoonshotAI: Kimi K2.7 Code