Research reports
Read source-backed analysis of current standings, major launches, historical movement, and practical model selection. We aggregate established research while keeping each source and measurement separate. Every report includes its dates, limitations, sources, and citation. Subscribe by RSS.
Flagship · Published July 14, 2026
Anthropic leads the July 12, 2026 LMArena provider-frontier snapshot. Explore the separate historical archive and the methodology behind both views.
8 findings · Data through July 12, 2026
Research report · Published July 14, 2026
What the Epoch catalog and July 2026 LMArena snapshot establish about Claude Fable 5, and what they cannot establish about launch impact.
4 findings · Data through July 12, 2026
Research report · Published July 14, 2026
A bounded reading of provider movement across eleven selected LMArena artifacts from May 2023 through August 2025.
4 findings · Data through August 29, 2025
Research report · Published July 14, 2026
A six-step model-selection workflow using sourced task, domain, access, weights, release, and Arena evidence without a universal score.
4 findings · Data through July 14, 2026
