MoonshotAI: Kimi K3.1 Pro

1 provider live

moonshotai/kimi-k3.1-pro

→

1 live provider
97.2% uptime
1.72 s first token
37 tok/s output

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 creation, financial research, and end-to-end agentic knowledge work, with native image and video understanding.

Context: 1M; tokens
Max output: 943.7K; tokens
Input: $2.00; per million tokens
Output: $10.00; per million tokens

Providers

Ranked by price and speed. Requests go to the best healthy provider, then fail over down the list.

#	Provider	Input	Output	Cache read	Latency	Throughput	Uptime (3d)
1	Moonshot AINon-EU Data policy not declared	$2.00	$10.00	$0.20	1.72 s	37 tok/s	97.2%

Want to serve this model?Become a provider

Price history

No price changes since Oct 24, 2026.

Moonshot AI$2.00 in, $10.00 out

Performance

Last 24 hours, from llm.buzz's test requests

Throughput (tok/s)

Moonshot AI37 tok/s

Data table

Provider	From (UTC)	p50	p90	p99
Moonshot AI	Oct 26, 08:00	37 tok/s	37 tok/s	37 tok/s
Moonshot AI	Oct 26, 12:00	31 tok/s	31 tok/s	31 tok/s
Moonshot AI	Oct 26, 16:00	37 tok/s	37 tok/s	37 tok/s
Moonshot AI	Oct 26, 20:00	45 tok/s	45 tok/s	45 tok/s
Moonshot AI	Oct 27, 00:00	31 tok/s	31 tok/s	31 tok/s
Moonshot AI	Last 24 hours	37 tok/s	31 tok/s	31 tok/s

Latency (time to first token)

Moonshot AI1.72 s

Data table

Provider	From (UTC)	p50	p90	p99
Moonshot AI	Oct 26, 08:00	2.98 s	2.98 s	2.98 s
Moonshot AI	Oct 26, 12:00	1.44 s	1.44 s	1.44 s
Moonshot AI	Oct 26, 16:00	1.72 s	1.72 s	1.72 s
Moonshot AI	Oct 26, 20:00	1.72 s	1.72 s	1.72 s
Moonshot AI	Oct 27, 00:00	2.07 s	2.07 s	2.07 s
Moonshot AI	Last 24 hours	1.72 s	2.98 s	2.98 s

Uptime

Last 72 hours, by hour

Best provider 97.2%

This model

Moonshot AI

Up: 95% or more served
Degraded: 85% to 95%
Down: below 85%
No data
From llm.buzz's test requests

Questions

How much does MoonshotAI: Kimi K3.1 Pro cost?

MoonshotAI: Kimi K3.1 Pro costs $2.00 per million input tokens and $10.00 per million output tokens at Moonshot AI, the provider requests go to first, with cache reads at $0.20 per million tokens.

Do providers train on my prompts?

Each provider declares it, and the table above shows every declaration. You can limit a request to providers that keep nothing, or to providers in the EU.

Can I serve MoonshotAI: Kimi K3.1 Pro myself?

Yes. Apply as a provider, add your endpoint and list this model at your price. It goes live once the automated check passes.

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Call it

import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.llm.buzz/api/v1",
    api_key=os.environ["LLM_BUZZ_KEY"],
)
reply = client.chat.completions.create(
    model="moonshotai/kimi-k3.1-pro",
    messages=[{"role": "user", "content": "Hello"}],
)

import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.llm.buzz/api/v1",
  apiKey: process.env.LLM_BUZZ_KEY,
});
const reply = await client.chat.completions.create({
  model: "moonshotai/kimi-k3.1-pro",
  messages: [{ role: "user", content: "Hello" }],
});

curl https://api.llm.buzz/api/v1/chat/completions \
  -H "Authorization: Bearer $LLM_BUZZ_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "moonshotai/kimi-k3.1-pro",
       "messages": [{"role": "user", "content": "Hello"}]}'

Endpoints

POST /api/v1/chat/completionsPOST /api/v1/responsesPOST /api/v1/messages

Authentication

Send your llm.buzz key as a Bearer token: Authorization: Bearer $LLM_BUZZ_KEY. Create keys in the console. The same key calls every model; each request pays the price of the provider that answered it.

More in Authentication and the API reference.

Call MoonshotAI: Kimi K3.1 Pro with one keyEach request pays the price of the provider that answered it.

Get API key