Kimi K3.1 Pro Highspeed is Moonshot AI (Kimi)'s language model with a 1.0M context window, starting at $4.00 / 1M input and $20.00 / 1M output. A high-throughput variant of the open-weight multimodal reasoning model optimized for faster inference while retaining long-context and tool-use capabilities.
Specifications
Canonical IDmoonshot-kimi-k3-1-pro-highspeed
TypeLanguage
StatusActive
CreatorMoonshot AI (Kimi)Moonshot AI (Kimi)
Providers
Context Window1.0M tokens
Input ModalitiesImage
Output ModalitiesText
Reasoning Effortsdefault
Release Date · 11 days ago

Capabilities

Input1/5
Text·
Image✓
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities3/13
Reasoning✓
Adaptive Reasoning·
Function Calling✓
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching✓
Assistant Prefill·

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Cache Write 5m
$ / 1M
Vercel AI Gateway logo
Vercel AI Gateway
moonshotai/kimi-k3.1-pro-highspeed
$4.00$20.00$0.2$4.00

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Kimi K3.1 Pro Highspeed1.0M$4.00$20.00Current
Kimi K3.1 Pro1.0M$2.00$10.00Available

Other Models

ModelTierReleasedContextInput / 1MOutput / 1M
Kimi K3—1.0M$0.192$12.50
Kimi K3 Batch——1.0M——
Kimi K3 Coding——1.0M$0.440$1.61
Kimi K3 Fast——1.0M$4.50$22.50
Kimi K3 P—————
Kimi K3 Spot——1.0M$2.10$10.50
Kimi K3 US——1.0M$4.50$22.50
Kimi K2.7 Code HighSpeed—262K$1.90$8.00
Kimi K2.7 Code—262K$0.380$1.60
Kimi K2 Thinking Turbo—262K——

Model IDs

moonshot-kimi-k3-1-pro-highspeed
moonshotai/kimi-k3.1-pro-highspeed