Kimi K3.1 Pro
Kimi K3.1 Pro is an open-weight multimodal reasoning model from MoonshotAI, built for tasks including long-horizon coding. It accepts text, images and video, produces text, and has a 1,048,576-token context window.
Kimi K3.1 Pro specs and pricing
- Provider: MoonshotAI
- Released: October 23, 2026
- Context window: 1M tokens
- Max output: 944K tokens
- Input: text, images, video
- Output: text
- Price: $2.00 input / $10 output per 1M tokens
- Reasoning: yes
- Tool calling: yes
What Kimi K3.1 Pro is good at
- Long-horizon coding tasks
- Analyzing long documents
- Understanding images and video
To-dos to try with Kimi K3.1 Pro
- Review this codebase and suggest fixes for potential bugs.
- Compare these documents and summarize their main differences.
- Summarize this video and list its key events.
FAQ
- Can Kimi K3.1 Pro read images and video? Yes. It accepts images and video as input and produces text.
- Who makes Kimi K3.1 Pro? MoonshotAI makes Kimi K3.1 Pro. It is an open-weight successor to Kimi K3.
- How much does Kimi K3.1 Pro cost? Kimi K3.1 Pro costs $2.00 per million input tokens and $10 per million output tokens through OpenRouter. In todo.is a typical agent step costs about 7 credits ($1 = 100 credits).
- What is the context window of Kimi K3.1 Pro? Kimi K3.1 Pro can read up to 1M tokens at once and write up to 944K tokens in one reply.
- Can I use Kimi K3.1 Pro without coding? Yes. In todo.is you pick Kimi K3.1 Pro as your agent's model and write to-dos in plain words, on the web, the Android app, WhatsApp or Telegram. No API key needed: credits are included, or you can bring your own key.
JavaScript is required to use the todo.is app.