PostTrainBench

Locus, an automated AI research system developed by Sakana AI, achieves state-of-the-art results on PostTrainBench and surpasses the human post-trained Qwen3 1.7B model in the extended PostTrainBench+…

Routing every coding task to a frontier model wastes budget, according to a developer's cost strategy comparing GLM 5.2 and Opus 4.8. GLM 5.2, an open-weights model with 753B parameters (40B active), …

AutoTrainess, a language model training agent, outperforms traditional CLI methods by automating training workflows, achieving a 26.94 average score on PostTrainBench with GPT-5.4 (Codex) versus 23.21…