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Kimi K3.1 Pro Highspeed

The high-speed variant of Kimi K3.1 Pro: the same model at about 2-3x the output speed, through BYOK.

moonshotai/kimi-k3.1-pro-highspeed is Moonshot AI's faster serving of Kimi K3.1 Pro: the same capabilities and 1M-token context at about 2-3x the output speed. Moonshot suggests it for code generation, code editing and programming agents. Owner price: $4 input, $20 output, $0.20 cached per 1M tokens, twice the standard K3.1 Pro rate. On AnyRouter it runs through BYOK (Moonshot, Vercel AI Gateway, Requesty, AIHubMix keys).

AI SDK
import { createAnyRouter } from "@anyr/ai-sdk-provider"
import { generateText } from "ai"

const anyrouter = createAnyRouter()
const { text } = await generateText({
  model: anyrouter("moonshotai/kimi-k3.1-pro-highspeed"),
  prompt: "Refactor this module into smaller functions and explain the changes.",
})
console.log(text)
Sign in once with the anyr CLI, then call the endpoint
anyr auth login
curl https://anyrouter.dev/api/v1/chat/completions \
  -H "Authorization: Bearer $ANYROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"moonshotai/kimi-k3.1-pro-highspeed","messages":[{"role":"user","content":"Write a unit test for a rate limiter."}]}'

Playbooks: AI SDK, OpenAI SDK, Claude Code.

Benchmark results for Kimi K3.1 Pro and peer models across 14 coding, science and knowledge-work evaluations
Benchmark overview from the launch post. Source: Moonshot AI.
BenchCAD Voxel IoU with and without tools: Claude Opus 5.5 96.2 and Kimi K3.1 Pro 92.7 with tools
BenchCAD results from the launch post. Source: Moonshot AI.

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