Model: "gemini-3.1-pro"

Feb 18
not much happened today
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claude-4.6 claude-opus-4.6 claude-sonnet-4.6 qwen-3.5 qwen3.5-397b-a17b glm-5 gemini-3.1-pro minimax-m2.5 anthropic alibaba scaling01 arena artificial-analysis benchmarking token-efficiency ai-agent-autonomy reinforcement-learning asynchronous-learning model-performance open-weights reasoning software-engineering agentic-engineering eshear theo omarsar0 grad62304977 scaling01
Anthropic released Claude Opus/Sonnet 4.6, showing a significant intelligence index jump but with increased token usage and cost. Anthropic also shared insights on AI agent autonomy, highlighting human-in-the-loop prevalence and software engineering tool calls. Alibaba launched Qwen 3.5 with discussions on reasoning efficiency and token bloat, plus open-sourced Qwen3.5-397B-A17B FP8 weights. The GLM-5 technical report introduced asynchronous agent reinforcement learning and compute-efficient techniques. Rumors about Gemini 3.1 Pro suggest longer reasoning capabilities, while MiniMax M2.5 appeared on community leaderboards. The community debates benchmark reliability and model performance nuances.