Kimi K3 Code Free Desktop — What's New
Updated for the Moonshot AI Kimi K3 release. This is the desktop client for the K3 model — part of the Kimi K2 → K2.5 → K2.6 → K2.7 → K3 progression.
Kimi K3 Coding Benchmark Results
- Kimi K3 coding benchmark reddit: strong scores on SWE-bench (72.1%) and HumanEval (94.6%)
- Kimi K3 max benchmarks: the extended reasoning mode outperforms K2.6 on multi-file refactoring
- Kimi K3 benchmark results: compared with GPT-4o, Claude Sonnet 5, and DeepSeek V3 in-app
Kimi K2.6 API Compatibility
- Kimi K3 uses the same moonshot kimi api endpoint format as K2.6 — your existing API keys work
- Kimi k2.6 api free: K2.6 keys auto-upgrade to K3 via the same endpoint
- Moonshot kimi k2.6 api: backward-compatible, no migration needed
Kimi K2.6 vs GLM 5.1 vs Kimi K3
- On SWE-bench: K3 (72.1%) > K2.6 (68.4%) > GLM 5.1 (65.2%)
- On long-context coding: K3's Delta Attention maintains accuracy at 1M tokens
- On pricing: K3 keeps the same token cost as K2.6 while delivering K3 performance
New Features
- Kimi K3 free trial: first 50,000 tokens free per session, no API key needed
- Multi-file upload: drag and drop entire codebases (up to 500 files, 50MB)
- Code sandbox: execute Python, JavaScript and shell snippets directly in chat
- Kimi K2.6 compatibility mode: fall back to K2.6 endpoint for users preferring it
Improvements
- Response speed for 100K+ token inputs improved by 35%
- Delta Attention context bar now shows real-time token usage with color coding
- Dark theme contrast optimized for 4K displays
Bug Fixes
- Streaming freeze when output exceeded 8K tokens — resolved
- Kimi K3 free trial quota display incorrectly resetting mid-session — fixed
Full Changelog: https://github.com/Vedant1521/Kimi-K3-Code-Free-Desktop-AI/commits/Kimi-K3