ESDR-Bench - Colloquialness: leaderboard

Metric: Pairwise preference accuracy (%) on the colloquialness pairs, a written-style dialogue against its spoken-style rewrite synthesized with the same TTS configuration, the spoken style preferred; the evaluator is given both full multi-turn spoken dialogue episodes of a pair (zero-shot audio judges by prompt, dedicated evaluators by their own scoring) and must prefer the labeled one; pairs come from ESDR-Bench, a source- and metadata-stratified sample of the held-out split; chance 50; higher is better. Source: arxiv.org. Saturation forecast: Estimated already saturated. 10 models tracked.

Top models

#ModelScoreOverall rank
1Gemini 2.5 Flash99.6#237
2Gemini 2.5 Pro98.8#145
3Qwen2.5-Omni-7B49.2#601

No result here: #3 Claude Opus 5.5, #5 GPT-6 Astra, #8 Claude Fable 5.1.

Interactive version: theaggregate.ai/benchmark?slug=esdr-bench-colloquialness · How It Works · Data refreshed daily, snapshot 2026-10-11.