Kimi K3.1 Pro Highspeed

High-speed inference variant of Kimi K3.1 Pro with always-on thinking, vision input, tool calling, and a 1M-token context window.

kimi-k3.1-pro-highspeed
STABLEGet StartedLive uptime & insights
1,048,576 context
Released October 23, 2026
Starting at $4.00/M input tokens
Starting at $20.00/M output tokens
Streaming
Vision
Tools
Reasoning
JSON Output
Structured JSON
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Select Provider

All Providers for Kimi K3.1 Pro Highspeed

LLM Gateway routes requests to the best providers that are able to handle your prompt size and parameters.

Context: 1.0M
Input
$4
/M tokens
Cache Read
$0.2
/M tokens
Output
$20
/M tokens
Cache Write 5m
$4
/M tokens
Cache Write 1h
$8
/M tokens
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Frequently asked questions

What is Kimi K3.1 Pro Highspeed?

High-speed inference variant of Kimi K3.1 Pro with always-on thinking, vision input, tool calling, and a 1M-token context window. You can access it through LLM Gateway's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.

How much does Kimi K3.1 Pro Highspeed cost?

Pricing for Kimi K3.1 Pro Highspeed on LLM Gateway starts at $4.00 per million input tokens and $20.00 per million output tokens, depending on the provider. The pricing table above always reflects the current per-provider rates.

What is the context length of Kimi K3.1 Pro Highspeed?

Kimi K3.1 Pro Highspeed supports a context window of up to 1,048,576 tokens on its largest provider deployment.

Which providers serve Kimi K3.1 Pro Highspeed?

Kimi K3.1 Pro Highspeed is served by Moonshot AI through LLM Gateway. Requests are automatically routed to the best available provider, with fallback when a provider has issues.

Does Kimi K3.1 Pro Highspeed support tool calling and structured outputs?

Yes. Kimi K3.1 Pro Highspeed supports both tool (function) calling and strict JSON output schema (upstream-enforced) through LLM Gateway.

When was Kimi K3.1 Pro Highspeed released?

Kimi K3.1 Pro Highspeed was released on October 23, 2026.