Kimi K2‑0905 and Qwen3‑Max preview: two 1T open weights models launched

9/5/2025

Moonshot AI updated their Kimi K2-0905 open model with doubled context length to 256k tokens, improved coding and tool-calling, and integration with agent scaffolds. Alibaba released Qwen 3 Max, a 1 trillion parameter model with agent-oriented behavior, available via Qwen Chat, Alibaba Cloud API, and OpenRouter. The community highlights China's dominance in open models and debates around meaningful evaluation methods for code agents, emphasizing long-horizon and domain-specific evals. Influential voices like @swyx and @karpathy discuss the importance of practical evals and discriminator models for ranking outputs.

Read original post

Want help turning this idea into a production system?

xAGI Labs helps teams scope, build, and deploy AI products, agent workflows, voice systems, and enterprise rollouts.

If this topic is relevant to your roadmap, we can translate "Kimi K2‑0905 and Qwen3‑Max preview: two 1T open weights models launched" into a concrete build plan and launch path.