Arena.ai says Claude Opus 5.5 (Max) delivers top performance at a blended $16 per million tokens, and describes that price-performance point as reshaping the Pareto frontier.
StepFun says onPanda, its internal tool for LLM data annotation and model inspection, is now open source. It reports a 52% lower median annotation time than manual post-editing and on-policy fidelity of ΔPPL under 1% versus the model’s resampling baseline.
LLM requests can be classified automatically with typesafeai's Jev in OpenRouter Classifiers, and the results can be analyzed in Explore.
StepFun highlighted Artificial Analysis results putting Step 5 Preview at 44 on the Intelligence Index and $0.71 per task, with more to come on Oct 15. The evaluation describes a 600B/27B MoE flagship with first-party API access and open weights planned for October 15.
NVIDIA said Grok 4.7 has landed and congratulated @SpaceXAI on what it called the team’s most capable model yet for coding and knowledge work. In the quoted post, Elon Musk described Grok 4.7 as a strong combination of intelligence, speed, and low cost.
