05
Moonshot ships Kimi K3, a 2.8-trillion-parameter open-weight model
breakthroughDeveloperEnterprise
Friday, July 17, 2026
Confidence
Medium · — AP + Bloomberg + WSJ + CNBC corroborating; third-party evals pending
Evidence
multiple market reports + AP corroboration; benchmarks self-reported
Moonshot released Kimi K3 Friday, claiming
2.8 trillion parameters — making it the world's largest open-source model, versus DeepSeek V4 Pro's 1.6 trillion
.
- Multimodal with a 1-million-token context window and agentic features.
- Bloomberg tied the release directly to Friday's semiconductor selloff.
Sources