Kimi K3.1 Pro

moonshotai/kimi-k3.1-pro

Maker: Moonshot AI, China
Released: 2026-10-23
Family: kimi-k3
Weights: closed
Tasks: text.chat, text.reasoning, code, vision.understand, vision.extract
Cheapest offering: Moonshot AI (Kimi), about $0.004994 for a typical text.chat call

Try it in the sandbox Use it from the API

Offerings

Provider	Model id at the provider	Status	Price per 1M tokens	Per-unit prices	Limits	Capabilities (level)
Moonshot AI (Kimi)	`kimi-k3.1-pro`	ga	Input: $1.9437 Output: $10.1671 Cache read: $0.1944 Cache write (5 min): $1.9437 Since 2026-11-04 · models.dev, MIT	none	Context: 1,048,576 tokens Max output: 1,048,576 tokens	`input.text` claimed `input.image` claimed `input.video` claimed `input.pdf` claimed `output.text` claimed `tools` claimed `structured_output` claimed `reasoning` claimed `prompt_caching` claimed
Moonshot AI (Kimi)	`kimi-k3.1-pro-highspeed`	ga	Input: $3.8874 Output: $20.3342 Cache read: $0.1944 Cache write (5 min): $3.8874 Since 2026-11-04 · models.dev, MIT	none	Context: 1,048,576 tokens Max output: 1,048,576 tokens	`input.text` claimed `input.image` claimed `input.video` claimed `input.pdf` claimed `output.text` claimed `tools` claimed `structured_output` claimed `reasoning` claimed
OpenRouter	`moonshotai/kimi-k3.1-pro`	ga	Input: $2 Output: $10 Cache read: $0.2 Since 2026-11-03 · models.dev, MIT	none	Context: 1,048,576 tokens Max output: 943,718 tokens	`input.text` claimed `input.image` claimed `input.video` claimed `input.pdf` claimed `output.text` claimed `tools` claimed `structured_output` claimed `reasoning` claimed

Quality scores

Basis	Score (0–1)	Raw	Measured	Source
`curated`	0.950 (estimated)	0.9500	2026-11-02	Curated tier (estimated), Nanner Tech
`lmarena:webdev`	0.680	1694.5824	2026-10-28	LMArena, CC-BY-4.0, normalized by Nanner Tech
`lmarena:agent`	0.234	0.0470	2026-11-02	LMArena, CC-BY-4.0, normalized by Nanner Tech

Aliases

Other names the API accepts for this model.

kimi k3.1 pro (max)
kimi-k3.1-pro
kimi-k3.1-pro-highspeed
moonshot/kimi-k3.1-pro

Use it from the API

Look this model up, or ask for the best model for its task on the providers that offer it. See the quickstart and the API reference.

Look up this model

curl 'https://rhumbdata.com/v1/models/moonshotai/kimi-k3.1-pro' \
  -H "Authorization: Bearer $RHUMB_KEY"

Resolve text.chat on its providers

curl 'https://rhumbdata.com/v1/resolve?task=text.chat&providers=moonshot,openrouter' \
  -H "Authorization: Bearer $RHUMB_KEY"

Built from catalog version 2026-11-04.3 of 2026-11-04. Prices are list prices per 1M tokens unless marked otherwise; every score shows its source's notice (see Attributions).