Kimi API Changelog — Latest Updates and Versions
Quick Answer
Track all Kimi API updates, model releases, pricing changes, and deprecation notices. This changelog is updated within 48 hours of any official Moonshot AI announcement. The latest update includes Kimi K2.5 performance improvements and expanded Nvidia NIM availability.
June 2026
June 9, 2026 — K2.5 Performance Update
- New Kimi K2.5 reasoning capabilities improved by ~12% on MATH benchmark
- K2.5 vision processing speed improved — 30% faster image analysis
- Expanded Nvidia NIM availability to additional regions
- Updated K2.5 API Reference with new benchmark data
May 2026
May 20, 2026 — K2 Instruct Model Launch
- New
kimi-k2-instructmodel available for structured instruction following - Improved function calling reliability across all models
- Rate limit increases for paid tier accounts
- Updated pricing page with current rates
May 5, 2026 — Free Tier Expansion
- Free tier monthly token allocation increased by 50%
- Nvidia NIM now supports K2.5 thinking mode
- Updated Free API Access guide
April 2026
April 15, 2026 — K2.5 Thinking Mode
- New
kimi-k2-5-thinkingmodel with chain-of-thought reasoning - Up to 40% accuracy improvement on complex math and logic tasks
- New Thinking API guide published
March 2026
March 1, 2026 — Platform Launch
- New Kimi K2.5 and K2 models available via API
- OpenAI-compatible endpoint at
api.moonshot.cn/v1 - Free tier with starter credits for new accounts
- Nvidia NIM partnership for free K2.5 access
Stay Updated
Follow @kimiapidocs on X for real-time kimi api update notifications. For detailed model documentation, visit our API Documentation hub.