Kimi K3.1 Pro

Labs

Kimi K3.1 Pro as a Labs experiment, open for a short test window: temporary, not a permanent id.

Price per 1M tokens: Free; With a Labs seat until November 5, 2026
Context: 1M; 128K max output
Weights: Open weights; On Hugging Face

Vision
Tool calling
Reasoning optional, default max

How it ranks

Against every model we serve, best first. Starred scores are reported by the publisher on its model card; the rest are independent measurements. About the scores

Artificial Analysis Intelligence Index v4.3by Artificial Analysis

DeepSeek V4.1 Flash45
GLM 5.345
Kimi K344

Not published: Kimi K3.1 Pro.

DeepSWEby Datacurve

DeepSeek V4.1 Flash77%^{* reported by the publisher}
GLM 5.369%
Kimi K368.5%

Not published: Kimi K3.1 Pro.

Terminal-Bench 2.1by tbench.ai

DeepSeek V4.1 Flash90.6%^{* reported by the publisher}^{† measured before the 1017 update}
Kimi K385%
GLM 5.383.9%

† DeepSeek V4.1 Flash: measured on its previous weights, before the 1017 update. No 2.1 score yet for 1017; on Terminal-Bench 4.0 the update took it from 26.8% to 33.8% (Artificial Analysis).

Not published: Kimi K3.1 Pro.

Pricing

Free with a Labs seat until November 5, 2026. Seats are limited and rotate, and an experiment is not meant for production work.

Specs

Context window: 1M tokens
Max output: 128K tokens
Vision: Yes
Tool calling: Yes
Reasoning: Adjustable (none, low, high, max)
Default effort: max
Weights: On Hugging Face
Stage: Labs experiment

Quickstart

Pick your tool; the command already carries this model's id. Calls need a Labs seat on your account while the experiment runs. More tools (Pi, Copilot, Zed, omp) in the setup guides.

OpenCode

Built in

Launch OpenCode on this model with the umans CLI. Umans AI is also built into OpenCode: run /connect and pick it.

Terminal

curl -fsSL https://api.code.umans.ai/cli/install.sh | bash   # once
umans opencode --model umans-kimi-k3.1-pro-lab

Full setup in the docs

How it ranks

Pricing

Specs

Quickstart

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