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Best model for search

Answers that cite the live web, ranked on whether the citation holds up.

Right now

GPT 5.6 Sol Xhigh from OpenAI currently ranks first for answers grounded in live sources, ahead of Claude Opus 4.6 Search from Anthropic. The ranking comes from LMArena and was last published 2026-08-24.

Leader
GPT 5.6 Sol Xhigh
Made by
OpenAI
Score
1257
Source
LMArena

Full ranking Human head-to-head preference votes, Bradley-Terry rating.

Rank# Model Made by Arena score Votes
1 GPT 5.6 Sol Xhigh OpenAI 1,257 29,663
2 Claude Opus 4.6 Search Anthropic 1,253 134,699
3 GPT 5.5 Search OpenAI 1,242 89,873
4 Claude Opus 4.7 Anthropic 1,233 91,394
5 Claude Fable 5 Anthropic 1,230 41,795
6 Ernie 5.1 Baidu 1,227 3,788
7 Claude Sonnet 4.6 Search Anthropic 1,221 134,905
8 Grok 4.5 xAI 1,213 31,505
9 Gemini 3.1 Pro Grounding Google 1,210 113,282
10 Gemini 3 Pro Grounding Google 1,207 37,024
11 GPT 5.2 Search OpenAI 1,207 52,712
12 Claude Opus 4.8 Anthropic 1,204 70,998
13 Grok 4.20 Multi Agent Beta xAI 1,204 109,553
14 GPT 5.1 Search OpenAI 1,199 59,909
15 Gemini 3 Flash Grounding Google 1,198 149,334
16 GPT 5.4 Search OpenAI 1,197 110,116
17 Claude Sonnet 5 Search Anthropic 1,194 40,230
18 Grok 4.20 Beta1 xAI 1,189 53,921
19 Claude Opus 4.5 Search Anthropic 1,180 61,573
20 GPT 5.2 Search Non Reasoning OpenAI 1,172 75,658
21 Grok 4.1 Fast Search xAI 1,171 81,507
22 Grok 4 Fast Search xAI 1,171 41,794
23 Grok 4.3 xAI 1,165 91,483
24 Claude Sonnet 4.5 Search Anthropic 1,158 127,378
25 Claude Opus 4.1 Search Anthropic 1,148 76,933

Published by LMArena on 2026-08-24 · copied here 2026-09-02 · no adjustment applied

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