Clarify-Then-Search (3 Questions): leaderboard

Clarify-Then-Search (Baidu, 2026) with a budget of 3 clarifying questions: the LLM questions a simulated user about an underspecified real search query, a deep-search agent runs the rewritten query, and the answer is scored by weighted recall of evidence-grounded gold nuggets (0-100). Higher is better.

Metric: Nugget restoration score (0-100): mean restore_score_100, weighted nugget recall with partial credit against the static gold; three clarifying questions (k=3); 518 underspecified Baidu search queries; the evaluated model asks clarifying questions, a closed-book user answerer and a rewriter (ERNIE-4.5-Turbo-128K) build the rewritten query, WebDancer searches, and ERNIE-4.5-Turbo-128K judges coverage of weighted evidence-grounded gold nuggets. Source: arxiv.org. Saturation forecast: Around June 2028. 7 models tracked.

Top models

#ModelScoreOverall rank
1Gemini 2.5 Pro27.13#266
2Claude Sonnet 4.527.03#250
3Kimi K226.57#439
4DeepSeek V3.226.49#406
5GPT-5.226.3#176
6Qwen 3 235B A22B Instruct26.24#684

No result here: #1 Claude Fable 5.2, #2 Gemini 4 Carbon, #5 Claude Opus 5.5.

Interactive version: theaggregate.ai/benchmark?slug=clarify-then-search-3-questions · How It Works · Data refreshed daily, snapshot 2026-11-13.