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Claude Fable 5.2

Anthropic

Strongest in Agents (#1 of 298, on 3 of its 6 boards), weakest in Legal (#95 of 173). Above par in 16 of 17 scopes. Among the models it meets almost everywhere, it finishes behind Claude Opus 5.5 and Claude Fable 5 and ahead of GPT-6 Astra and Claude Fable 5.1.

§ 1 · Profile

What it is good at

Bars run from 50 — the average of the models each source lists — so right of the line is above par. The middle column is the gap to whoever leads that scope.

Agents66.4#1/298
Long-horizon work74#1/31
Web research62.7#2/35
Knowledge work70.2#3/208
Computer use60.4#15/68
Core abilities64.5#3/199
General intelligence69.4#1/178
Data analysis60.4#6/31
Reasoning63.3#6/195
Reasoning65.5#6/147
Mathematics61.2#8/152
Professional56.3#22/194
Document design68.7#1/31
Biology research70.7#1/31
Legal49.5#95/173
Coding57.4#23/179
Agentic coding57.9#21/173

§ 2 · Head to head

What it beats, and what beats it

The same models turn up scope after scope. Counted once: where both were placed, who finished higher. Bars run right for Claude Fable 5.2, left for the other.

GPT-5.4 miniwon 11 · lost 0
GPT-5.4 nanowon 11 · lost 0
GPT-4.1 nanowon 11 · lost 0
Gemini 3.5 Flash-Litewon 11 · lost 0
Inkling Smallwon 11 · lost 0
GPT OSS 120Bwon 11 · lost 0
DeepSeek V3.2won 11 · lost 0
Beam 1.0won 12 · lost 0
DeepSeek V4 Flashwon 12 · lost 0
Kimi K2.5won 12 · lost 0
Smaug Nemotron 3.5won 13 · lost 0
Gemma 4 31Bwon 15 · lost 0
Nemotron 3.5 Super VLwon 15 · lost 0
MiniMax M3.1 Flashwon 15 · lost 0
Inklingwon 16 · lost 0
Claude Haiku 5.5won 17 · lost 0
GPT-6 Lunawon 17 · lost 0
Mistral Large 4won 16 · lost 1
Step 5won 16 · lost 1
Gemini 3.8 Flashwon 16 · lost 1
Grok 4.6won 16 · lost 1
Grok 4.7won 16 · lost 1
Kimi K3.1 Prowon 16 · lost 1
GLM-5.3 Flashwon 15 · lost 1
Qwen3.8 27Bwon 15 · lost 1
MiMo V2.6 Prowon 15 · lost 1
Qwen3.8 Maxwon 15 · lost 1
Muse Spark Openwon 14 · lost 1
GPT-5.6 Lunawon 11 · lost 1
Claude Sonnet 4.5won 11 · lost 1
Claude Sonnet 4won 11 · lost 1
Grok 4.5won 11 · lost 1
GLM-5.2won 10 · lost 1
GPT-4.1 miniwon 10 · lost 1
Mistral Large 3won 10 · lost 1
DeepSeek V3won 10 · lost 1
MiMo V2.6 Flashwon 10 · lost 1
Inkling 2 Smallwon 10 · lost 1
GPT-5.4won 10 · lost 1
DeepSeek R1won 10 · lost 1
GPT-5 miniwon 10 · lost 1
Gemini 2.5 Prowon 10 · lost 1
Gemini 3.6 Flashwon 10 · lost 1
Gemini 3.5 Flashwon 10 · lost 1
Gemini 3.1 Prowon 10 · lost 1
Kimi K3won 15 · lost 2
MiniMax M3won 10 · lost 2
DeepSeek V4.1 Flashwon 14 · lost 3
Claude Sonnet 4.6won 9 · lost 2
GPT-6 Solwon 9 · lost 2
Muse Spark 1.2won 9 · lost 2
Claude Opus 4.7won 9 · lost 2
GPT-5won 9 · lost 2
Claude Opus 4.8won 9 · lost 2
GPT-5.5won 9 · lost 2
GPT-5.6 Terrawon 13 · lost 3
Muse Spark 1.3won 13 · lost 3
Muse Wonderwon 13 · lost 4
GPT-6.1 Terrawon 11 · lost 4
DeepSeek V4 Prowon 8 · lost 3
GLM-5.3won 8 · lost 3
O3won 8 · lost 3
GPT-5.6 Solwon 9 · lost 4
Muse Wonder Fullwon 7 · lost 4
Claude Sonnet 5.5won 10 · lost 7
Gemini 4 Argonwon 10 · lost 7
GPT-6.1 Solwon 10 · lost 7
Claude Fable 5.1won 9 · lost 7
GPT-6 Astrawon 9 · lost 8
Claude Opus 5won 6 · lost 6
Claude Fable 5won 6 · lost 7
Claude Opus 5.5won 7 · lost 10

§ 3 · Sources

Where the numbers come from

7 publications, 18 figures. Every one links to the page it was read from.

Artificial Analysis ↗1 measureread 2026-11-10
Artificial Analysis Intelligence Index 65
GDPval-AA ↗1 measureread 2026-11-10
GDPval-AA 1831
AA-Briefcase ↗1 measureread 2026-11-10
AA-Briefcase 1785
ARC-AGI-2 ↗1 measureread 2026-11-10
ARC-AGI-2 92.5%
LiveBench ↗8 measuresread 2026-11-10
LiveBench 84.9LiveBench · Agentic 82.9LiveBench · Reasoning 88.8LiveBench · Coding 79.2LiveBench · Browser Use 86.9LiveBench · Data Analysis 81.5LiveBench · Research 94.5LiveBench · Design 85.1
SimpleBench ↗1 measureread 2026-11-10
SimpleBench 94.9%
Vals.ai ↗5 measuresread 2026-11-10
Vals · Legal Research Bench 46.15%Vals · Harvey Legal Agent Benchmark 5%Vals · BioMysteryBench 83.7%Vals · Vibe Code Bench 93.77% (OpenHands)Vals · ProofBench 100%

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