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Best model for coding

Judged on real build tasks where a human picks the better result, not on a self-reported pass rate.

Right now

Claude Opus 5.5 (Max) from Anthropic currently ranks first for writing and fixing code, ahead of GPT-6 Astra (Max) from OpenAI. The ranking comes from LMArena and was last published 2026-10-16.

Leader
Claude Opus 5.5 (Max)
Made by
Anthropic
Score
1807
Source
LMArena

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

Rank# Model Made by Arena score Votes
1 Claude Opus 5.5 (Max) Anthropic 1,807 2,775
2 GPT-6 Astra (Max) OpenAI 1,777 6,014
3 Claude Sonnet 5.5 (xHigh) Anthropic 1,768 3,182
4 GPT-6.1 Sol (Max) OpenAI 1,755 2,863
5 Claude Fable 5.1 (Max) Anthropic 1,741 7,503
6 Claude Sonnet 5.5 (High) Anthropic 1,711 4,914
7 Claude Opus 5 (Max) Anthropic 1,689 18,310
8 GPT-6 Sol (Max) OpenAI 1,683 4,364
9 Gemini 4 Argon (High) Google 1,678 1,775
10 Qwen3.8-Max (0902) Alibaba 1,674 13,812
11 Qwen3.8-Max Alibaba 1,672 3,440
12 Muse Spark 1.3 (Max) Meta 1,658 9,068
13 Claude Opus 5 (High) Anthropic 1,657 24,211
14 Kimi K3 (Max) Open Moonshot AI 1,655 19,220
15 Muse Wonder (Max) Meta 1,650 1,942
16 Grok 4.7 (xHigh) xAI 1,639 5,021
17 MiMo-V2.6-Flash Open Xiaomi 1,634 5,016
18 Hy4 preview Open Tencent 1,631 4,802
19 Qwen3.8-Flash-Next Open Alibaba 1,630 8,083
20 MiMo-V2.6-Pro Open Xiaomi 1,625 4,763
21 Claude Fable 5 (High) Anthropic 1,625 15,612
22 Muse Spark 1.3 (xHigh) Meta 1,622 8,436
23 GLM-5.3 (Max) Open Zai 1,621 9,542
24 DeepSeek-V4.1-Flash (Max) Open DeepSeek 1,618 3,540
25 Grok 4.6 (High) xAI 1,617 10,179

Published by LMArena on 2026-10-16 · copied here · no adjustment applied

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