A new open-source index called AgentTape ranks AI models based on a blend of benchmark performance, actual usage, cost, and speed. Currently, OpenAI's GPT-5 models dominate the top rankings, with GPT-5.5 specifically excelling in quality benchmarks but lagging in adoption due to its newness and price. The index aims to provide a more holistic view of model performance beyond theoretical benchmarks, reflecting real-world utility. AI
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IMPACT Provides a new metric for evaluating AI models that balances benchmarks with real-world adoption and cost.
RANK_REASON The cluster describes a new open-source tool for ranking AI models, not a release from a frontier lab.
