kimi-k3-fast

Name: kimi-k3-fast
Author: Vercel AI Gateway

Context

Input price

$4.5/1M tokens

Output price

$22.5/1M tokens

Capabilities

Show unsupported (5)

Reasoning & Interaction

Reasoning

Tool Calling

Infrastructure

Streaming

Details

Model IDmoonshotai/kimi-k3-fast

ProviderVercel AI Gateway

CreatorMoonshot AI (Kimi)

Familykimi-k3

License—

Status—

Typechat

Input modalitiestext, image

Output modalitiestext

Open weight—

Parameters—

Architecture—

Context window1M tokens

Max input—

Max output—

Reasoning tokens—

Knowledge cutoff—

Release date—

Sourceofficial

Tools

Function Callingfunction_calling

Call external functions and APIs

Pricing

Input

$4.5

Output

$22.5

Cache write

—

Cache read

—

Batch in

—

Batch out

—

Family Comparison: kimi-k3

Model	Caps	Perf	Speed	Context	Max out	Pricing
kimi-k3	RTS	—	—	1M	—	$0.18$9.34
kimi-k3-fast	RTS	—	—	1M	—	$4.5$22.5

API

GET/v1/models/vercel/moonshotai/kimi-k3-fast