Kimi K3.1 Pro

by Moonshot AI

Kimi K3.1 Pro is a frontier language model from Moonshot AI, the first in the K3.1 series, with hosted availability from October 23-24, 2026. It is designed for coding, reasoning, and general-purpose tasks, with open weights announced for release on November 4, 2026.

Large Language Models
Proprietary

Primary Use Cases

  • Code generation and debugging
  • Complex reasoning tasks
  • General-purpose language tasks
  • Research and development

✅ Strengths

  • Competitive frontier model performance
  • Open-weight release planned (Apache-style license expected)
  • Hosted API available immediately

⚠️ Limitations

  • Open weights not yet released as of October 25, 2026
  • Limited independent benchmark verification available at launch
  • Company-reported benchmarks only at time of listing

Technical Specifications

Developer
Moonshot AI
Category
Large Language Models
Type
🧠 Foundation Model
License
UNKNOWN
Version
K3.1 Pro

Trust & Privacy

Health Status
🟢 Active
Trains on User Data
❓ Unknown
Certifications
None listed

Ecosystem & Integrations

API Access
✅ Available
Chrome Extension
❌ No
Mobile App
❌ No
Pricing Model
❓ Unknown