Tests explained · People's votes

People's votes on expert questions

People compared two anonymous answers to questions needing expert knowledge.

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How to read it

A rating from thousands of head-to-head votes. Higher means people preferred its answers more often. The thin line is the likely range.

Used for

6 tasks on this site.

How the models did

Rating from blind votes · Higher is better

Claude Opus 5.5 and Gemini 3.8 Flash are neck and neck at the top, followed by Claude Fable 5.1 and Kimi K3.

Claude Opus 5.5 · Anthropic1st

Gemini 3.8 Flash · Google DeepMind2nd

Claude Fable 5.1 · Anthropic3rd

Kimi K3 · Moonshot AI4th

GPT-5.6 Sol · OpenAI5th

DeepSeek V4.1 Flash · DeepSeek6th

Claude Sonnet 5 · Anthropic7th

Gemini 3.6 Flash · Google DeepMind8th

GPT-6 Astra · OpenAI9th

Gemini 3.1 Pro · Google DeepMind10th

GPT-5.6 Luna · OpenAI11th

DeepSeek V4 Pro · DeepSeek12th

Claude Haiku 4.5 · Anthropic13th

Gemini 3.5 Flash-Lite · Google DeepMind14th

GPT-6 Luna · OpenAINot tested yet

GPT-6 Sol · OpenAINot tested yet

Source: LMArena · votes as of 25 Sept 2026

Where we use it

Each task page labels this test by how closely it matches the task.

Task	How close
Best AI for essays and academic writing	Tests a related skill
Best AI for studying and homework	Tests a related skill
Best AI for medical and nursing students	Tests a related skill
Best AI for teachers	Tests a related skill
Best AI for research	Tests a related skill
Best AI for academic research	Tests a related skill