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