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Kimi K3

by Moonshot AI · Language Models

Context 1049K tokensReasoning / thinkingFunction calling

Overview

Kimi K3 is an open-weight, native multimodal model developed by Moonshot AI. It has 2.8 trillion total parameters and is built on Kimi Delta Attention (KDA) and Attention Residuals (AttnRes), with native vision capabilities and a context window of up to 1 million tokens. It is designed for long-horizon coding, knowledge work, and reasoning.

Context window1049K tokens
Max output1049K tokens
Input → Outputtext, image, video → text
CapabilitiesReasoning / thinking, Function calling

Pricing

$2.3166 in · $11.583 out · $0.2317 cached / 1M

UsageRate (USD)Unit
Input tokens$2.3166per 1M tokens
Cached input (cache hit)$0.2317per 1M tokens
Output tokens$11.583per 1M tokens

Official model pricing · currency: USD · pre-deduction settled by actual usage

Call it in 30 seconds

OpenAI-compatible · base URL https://api.tunerouter.com/v1/

POST/chat/completions
curl https://api.tunerouter.com/v1/chat/completions \
  -H "Authorization: Bearer $TUNEROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "kimi-k3", "messages": [{"role": "user", "content": "Hello!"}]}'

Model ID: kimi-k3 · works with OpenAI SDKs — just point base_url at api.tunerouter.com

More from Moonshot AI

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