MoonshotAI: Kimi K3 is a 1,048,576-token model served on Composite at $0.345 per million tokens in and $12.0 per million tokens out. Ranked #29 of 179 models by traffic on Composite over the last 30 days, taking 0.42% of tokens and 0.34% of requests (this model and its routing variants). Measured on Composite, 100.0% of its last 27 requests on Composite succeeded, the typical first token arrives in 30349 ms, output runs at about 491.3 tokens per second.
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Specifications
Specifications and pricing as served by Composite
Model ID
moonshotai/kimi-k3
Provider
cv11
Context window
1,048,576 tokens
Accepts
text, image, video
Returns
text
Input price
$0.345 per million tokens
Output price
$12.0 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 (Reasoning)" in the catalog to turn it on by default
Moderated
No
Cost on a monthly plan
About 12 plan credits per typical call (8k in, 1k out)
Routing endpoints
10 (base plus 9 routing variants)
Use MoonshotAI: Kimi K3 in JanitorAI or SillyTavern
Make a Composite API key and type moonshotai/kimi-k3 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.
0.42% of tokens and 0.34% of requests over 30 days, including routing variants.
Success rate
100.0%
Across the last 27 requests Composite served for this model.
Time to first token
30349 ms
Median across the same sample.
Output speed
491.3 tok/s
Median generation rate after the first token.
Prompt cache hits
22.0%
Share of prompt tokens served from the provider's cache over 7 days.
Routing variants
The same model behind 9 alternative endpoints. Call the id directly to pin a route; the base id above picks for you.
Route
Model ID
Provider
Price
Normal
moonshotai/kimi-k3-normal
cv11
$0.240 per million tokens input · $20.0 per million tokens output
Normal + cheapThink
moonshotai/kimi-k3-normal:cheapThink
cv11
$0.240 per million tokens input · $20.0 per million tokens output
Cheapest provider
moonshotai/kimi-k3:cheapest-provider
Wafer
$0.345 per million tokens input · $12.0 per million tokens output
Cheapest provider + cheapThink
moonshotai/kimi-k3:cheapest-provider:cheapThink
Wafer
$0.345 per million tokens input · $12.0 per million tokens output
cheapThink
moonshotai/kimi-k3:cheapThink
cv11
$0.345 per million tokens input · $12.0 per million tokens output
Fast
moonshotai/kimi-k3:fast
Wafer
$0.345 per million tokens input · $12.0 per million tokens output
Fast + cheapThink
moonshotai/kimi-k3:fast:cheapThink
Wafer
$0.345 per million tokens input · $12.0 per million tokens output
Quality
moonshotai/kimi-k3:quality
BaseTen
$3.75 per million tokens input · $18.8 per million tokens output
Quality + cheapThink
moonshotai/kimi-k3:quality:cheapThink
BaseTen
$3.75 per million tokens input · $18.8 per million tokens output
Pricing
$0.345 per million tokens input · $12.0 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 12 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 is priced low enough for high-volume daily roleplay without the per-message cost adding up quickly.
From the provider
Kimi K3 is a 2.8T parameter open-weight multimodal reasoning model from Moonshot AI. It is suited for complex coding, knowledge work, and long-horizon agentic workflows, and is particularly strong at...