Kimi K3.1 Pro

API $2/$10 per 1M input/output tokens…

Open-weight frontier model for agentic coding in Kimi Code and the Kimi API; vendor-reported Terminal-Bench 4.0 close to Claude Opus 5.5, full weights due by Nov 4.

Free tier
unverified (API is pay-as-you-go)
Paid from
API $2/$10 per 1M input/output tokens (Highspeed $4/$20) [official, Oct 26]
Official site
https://www.kimi.ai/blog/kimi-k3-1-pro
Last checked

Quick answers

How much does Kimi K3.1 Pro cost?
Pricing: API $2/$10 per 1M input/output tokens (Highspeed $4/$20). Source: the vendor's own pricing page, checked Oct 26, 2026.
What are good Kimi K3.1 Pro alternatives?
Cursor: from $8/mo Plus (Grok models only); $30/mo Premium. Claude Code: from $17/mo annual, $20 monthly via Claude Pro. GitHub Copilot: from $10/mo Pro.

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