moonshotaiListed Oct 23, 2026

MoonshotAI: Kimi K3.1 Pro

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...

Context window1M
Max output943.7K
Provider endpoints3
Benchmark results0

Model brief

AI summary with sources

Limited evidence · Checked

OpenRouter describes Kimi K3.1 Pro as Moonshot AI's flagship open-weight multimodal reasoning model, a post-trained successor to Kimi K3 with a 1M-token context window. [1]

Good uses

  • OpenRouter positions the model for long-horizon coding, 3D creation, financial research, and end-to-end agentic knowledge work, with native image and video understanding. [1]

Documented caveats

  • OpenRouter states the model is not currently available through EU in-region routing. [1]

We have not found enough specific first-hand reports for this model yet.

Sources and dates1
  1. openrouter.ai · ProviderPublication date not reportedChecked
Measured performance

Benchmark results

All leaderboards ↗
—

No published results in this index yet

Scores appear here when an evaluation matches this exact model.

Access & cost

Prices across providers

3 quotes

Your token mix

USD · listed token rates

Moonshot AI · via OpenRoutermoonshotai/mxfp4 · quantization=mxfp4
$4.50
Moonshot AI · via OpenRoutermoonshotai/highspeed · tier=priority · quantization=mxfp4
$9.00

OpenRouter

Catalog quote
Input
$2.00
Output
$10.00
Cached input
$0.20
USD / 1M tokens
1M context943.7K max outputPrice source ↗Checked Oct 23, 2026
Endpoint IDmoonshotai/kimi-k3.1-pro

Moonshot AI

via OpenRouter

moonshotai/mxfp4 · quantization=mxfp4

Input
$2.00
Output
$10.00
Cached input
$0.20
USD / 1M tokens
1M context943.7K max outputPrice source ↗Checked Oct 23, 2026
Endpoint IDmoonshotai/kimi-k3.1-pro::moonshotai/mxfp4

Moonshot AI

via OpenRouter

moonshotai/highspeed · tier=priority · quantization=mxfp4

Input
$4.00
Output
$20.00
Cached input
$0.20
USD / 1M tokens
1M context943.7K max outputPrice source ↗Checked Oct 23, 2026
Endpoint IDmoonshotai/kimi-k3.1-pro::moonshotai/highspeed

Model specifications

Developer
moonshotai
Modality
Language
Context
1,048,576 tokens
Maximum output
943,718 tokens
Weights
Not reported
Provider listed
Oct 23, 2026
First discovered
Oct 23, 2026

Exact identities

  • openroutermoonshotai/kimi-k3.1-pro

Sources

Updated Oct 23, 2026

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