AI for research and analysis, right now
Finding and checking information across many sources, and writing up the analysis.
AI research agents now score 73-92% on hard research benchmarks, led by Claude Fable 5.2 and Kimi K3.1 Pro.
What models can do now
- Claude Fable 5.2 leads the WANDR wide-search research benchmark at 82.1%.[4]
- LongCat-2.5 leads the ResearchRubrics deep-research benchmark at 81.0%.[3]
- Claude Opus 4.6 holds the top DeepResearch Bench score at 55.3%.[5]
- Opus 5 leads the Mercor-run DeepResearch Bench II snapshot at 56.10%.[6]
- Kimi K3.1 Pro set the BrowseComp record at 92.1%.[1]
- Claude Fable 5.2 set the Humanity's Last Exam record at 73.2%.[2]
Where they still fall short
- Grok 4.7 made a visual error in a scientific image reasoning task despite extensive inspection and annotation.[7]
How fast it is moving
The record on this field's benchmarks over the last year, from Spezia's model leaderboard.
Questions whose answers are hidden deep on the web and take many searches and pages to track down.
Record: 92.1%, up from 60.2% a year ago (1.5×) (Kimi K3.1 Pro)
Questions that need many searches and several steps of reasoning across sources to answer.
Record: 95%, up from 77.1% 6 months ago (Kimi K3)
- Humanity's Last Exam73.2%, up from 51% a year ago · Claude Fable 5.2
- MCP Atlas89.2%, up from 62.3% 11 months ago · Muse Spark Open
The best models for research now
On this field's benchmarks alone.
- 1
Claude Opus 5
- 2
Muse Spark 1.1
- 3
Kimi K3
- 4
GPT-5.5 Pro
- 5
Seed 2.1 Pro
- 6
Kimi K3.1 Pro
Milestones
What became possible, newest first, each marked by how firm it is. Open one for the words it rests on.
Showndemonstrated with published results, a paper or an independent checkClaimedsaid by the company or people who built it, not yet checked by othersReportedreported by others, not confirmed by the company or a published resultNot publicdone by a model that is not released to the public
- Nov 11, 2026ShownLongCat-2.5
LongCat-2.5 leads the ResearchRubrics benchmark at 81.0%.
“LongCat-2.5 leads the table at 81.0%” ResearchRubrics Leaderboard & Scores — November 2026
- Nov 9, 2026ShownClaude Fable 5.2
Claude Fable 5.2 leads the WANDR benchmark at 82.1%.
“Claude Fable 5.2 leads the table at 82.1%” WANDR Leaderboard & Scores — November 2026
- Oct 28, 2026ShownOpus 5
Opus 5 leads the Mercor-run DeepResearch Bench II snapshot at 56.10%.
“Opus 5 leads the public snapshot at 56.10%” DeepResearch Bench II (Mercor) Leaderboard — November 2026
- Feb 5, 2026ShownClaude Opus 4.6
Claude Opus 4.6 achieved 55.3% on DeepResearch Bench.
“Claude Opus 4.6 holds the top DeepResearch Bench score at 55.3%” DeepResearch Bench leaderboard (Nov 2026) | BenchLeader
Sources
- [1]BrowseComp: best result 92.1%, up from 60.2% a year ago (1.5×)Leaderboard · 2026-10-23
- [2]Humanity's Last Exam: best result 73.2%, up from 40% a year ago (1.8×)Leaderboard · 2026-11-09
- [3]ResearchRubrics Leaderboard & Scores — November 2026Web · 2026-11-09
- [4]WANDR Leaderboard & Scores — November 2026Web · 2026-11-07
- [5]DeepResearch Bench leaderboard (Nov 2026) | BenchLeaderWeb · 2026-10-31
- [6]DeepResearch Bench II (Mercor) Leaderboard — November 2026Web
- [7]VIALS-AA: different paths to scientific image reasoningWeb · 2026-11-05
Other fields
- AI for math
- AI for biology and drug discovery
- AI for medicine and health
- AI for physics, chemistry and materials
- AI for electrical engineering and chips
- AI for software engineering
- AI for game development
- AI for content and media production
- AI for finance
- AI for law
- AI for remote and knowledge work
- AI for cybersecurity
- AI for robotics and the physical world