Stanford Report: Open-weight models catching up, gap with closed narrows to 1.7%
mdancho84 · x · 2026-07-25
Based on the Stanford 2025 AI Index report, the author highlighted key industry trends:
- Open vs. closed tightening: Open-weight models are catching up fast. By Feb 2025, the gap between top open and closed models on Chatbot Arena narrowed to just 1.70%.
- Benchmarks crushed quickly: Scores on hard benchmarks like MMMU, GPQA, and SWE-bench jumped by 19 to 67 percentage points from 2023 to 2024, leading to a benchmark exhaustion problem.
Related event: Stanford 457-Page AI Index Report: Costs Drop, Open-Source Closes Gap(6 posts)→
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