Claude Fable 5.2

Released2026-11-09
Price per 1M$8.00 in · $40.00 out
Overall score68.5 · rank 1
Context window1,000,000 tokens
ProviderAnthropic
WeightsProprietary

Scores

DimensionScoreRankBenchmarks
Overall: Balanced 68.5 1 39
Overall: Coding 66.7 2 33
Overall: Reasoning 71.1 1 19
Overall: Agentic work 66.3 2 31
Overall: Frontend 66.1 2 9
Coding 67.1 2 7
Agents 65.3 1 11
Reasoning 69.2 3 13
Math 70.4 1 4
Knowledge 76.7 1 2
Frontend 65.6 3 2
Value vs price+12.418

Buzz

Posts on XAbout 9,830 a day
Mood40% positive, 15% negative
Hacker News173 mentions this week
Checked2026-11-11

Configurations

ConfigurationBalancedBenchmarks
Unspecified setting 67.7 ±3.2 10
High 65.9 ±1.6 21
Low 64.8 ±4.0 6
Max 70.6 ±2.9 15
Medium 65.9 ±4.0 6
Extra High 67.2 ±4.0 6

Evidence

Coding 67.1 ±1.7

BenchmarkResultSourceDate
CursorBench 60.0% Epoch AI 2026-11-11
FrontierSWE 69.9% Epoch AI 2026-11-11
Code Migration v1.1 83.3% Vals AI 2026-11-09
LiveBench 2.0 Coding 79.2% LiveBench 2026-11-06
SWE-bench Multimodal 62.3% Vals AI 2026-11-09
SciCode 67.7% Epoch AI 2026-11-11
ProgramBench 19.0% Vals AI 2026-11-09

Agents 65.3 ±2.0

BenchmarkResultSourceDate
Terminal-Bench 4.0 (Vals run) 65.2% Vals AI 2026-11-09
Terminal-Bench-Science 55.7% Vals AI 2026-11-09
APEX-Agents 80.1% Epoch AI 2026-11-11
Remote Labor Index 41.3% Epoch AI 2026-11-11
LiveBench 2.0 Agentic 82.9% LiveBench 2026-11-06
LiveBench 2.0 Browser Use 86.9% LiveBench 2026-11-06
EMB v1.1 (Excel financial modeling) 77.4% Vals AI 2026-11-09
LiveBench 2.0 Research 94.5% LiveBench 2026-11-06
Tax Agent Bench 32.1% Vals AI 2026-11-09
Finance Agent v2.1 69.5% Vals AI 2026-11-09
HLAB-Vals 1.1 (legal agent) 5.0% Vals AI 2026-11-09

Reasoning 69.2 ±2.3

BenchmarkResultSourceDate
ARC-AGI-2 93.8% Epoch AI 2026-11-11
ARC-AGI-2 (ARC Prize verified) 93.8% ARC Prize 2026-11-11
Extended NYT Connections 97.3% Lech Mazur 2026-11-10
MysteryMechanism 51.8% Vals AI 2026-11-09
GPQA Diamond 93.9% Epoch AI 2026-11-06
CritPt 35.7% Epoch AI 2026-11-11
ARC-AGI-1 (ARC Prize verified) 98.5% ARC Prize 2026-11-11
ARC-AGI-1 98.5% Epoch AI 2026-11-11
SimpleBench 94.9% SimpleBench 2026-11-10
BioMysteryBench 83.7% Vals AI 2026-11-09
ARC-AGI-3 97.7% ARC Prize 2026-11-11
Chess Puzzles 79.0% Epoch AI 2026-11-06
LiveBench 2.0 Reasoning 88.8% LiveBench 2026-11-06
Mystery Game Puzzles 90.0% Epoch AI 2026-11-06
LiveBench 2.0 Data Analysis 81.5% LiveBench 2026-11-06

Math 70.4 ±2.3

BenchmarkResultSourceDate
FrontierMath Tiers 1-3 95.1% Epoch AI 2026-11-06
FrontierMath Tier 4 100.0% Epoch AI 2026-11-06
OTIS Mock AIME 2024-2025 99.7% Epoch AI 2026-11-06
ProofBench v1.1 100.0% Vals AI 2026-11-09
ProofBench 100.0% Epoch AI 2026-11-11

Knowledge 76.7 ±2.7

BenchmarkResultSourceDate
SimpleQA Verified 94.0% Epoch AI 2026-11-06
Legal Research Bench 46.2% Vals AI 2026-11-09

Frontend 65.6 ±0.7

BenchmarkResultSourceDate
Vibe Code Bench v1.1 93.8% Vals AI 2026-11-09
LiveBench 2.0 Design 85.1% LiveBench 2026-11-06

Results not used in the score

BenchmarkResultSourceWhy not used
ARC-AGI-1 97.5% Epoch AI A stronger configuration result was used
ARC-AGI-1 97.5% Epoch AI A stronger configuration result was used
ARC-AGI-1 97.5% Epoch AI A stronger configuration result was used
ARC-AGI-1 94.5% Epoch AI A stronger configuration result was used
ARC-AGI-1 (ARC Prize verified) 97.5% ARC Prize A stronger configuration result was used
ARC-AGI-1 (ARC Prize verified) 97.5% ARC Prize A stronger configuration result was used
ARC-AGI-1 (ARC Prize verified) 97.5% ARC Prize A stronger configuration result was used
ARC-AGI-1 (ARC Prize verified) 94.5% ARC Prize A stronger configuration result was used
ARC-AGI-2 92.5% Epoch AI A stronger configuration result was used
ARC-AGI-2 90.4% Epoch AI A stronger configuration result was used
ARC-AGI-2 89.6% Epoch AI A stronger configuration result was used
ARC-AGI-2 86.7% Epoch AI A stronger configuration result was used
ARC-AGI-2 (ARC Prize verified) 92.5% ARC Prize A stronger configuration result was used
ARC-AGI-2 (ARC Prize verified) 90.4% ARC Prize A stronger configuration result was used
ARC-AGI-2 (ARC Prize verified) 89.6% ARC Prize A stronger configuration result was used
ARC-AGI-2 (ARC Prize verified) 86.7% ARC Prize A stronger configuration result was used
ARC-AGI-3 65.7% ARC Prize A stronger configuration result was used
ARC-AGI-3 94.9% ARC Prize A stronger configuration result was used
ARC-AGI-3 81.2% ARC Prize A stronger configuration result was used
ARC-AGI-3 97.3% ARC Prize A stronger configuration result was used
ARC-AGI-3 79.3% ARC Prize A stronger configuration result was used
ARC-AGI-3 73.3% ARC Prize A stronger configuration result was used
ARC-AGI-3 96.8% ARC Prize A stronger configuration result was used
ARC-AGI-3 52.0% ARC Prize A stronger configuration result was used
ARC-AGI-3 92.3% ARC Prize A stronger configuration result was used
CritPt 35.4% Epoch AI A stronger configuration result was used
CritPt 32.9% Epoch AI A stronger configuration result was used
CritPt 30.9% Epoch AI A stronger configuration result was used
CritPt 29.4% Epoch AI A stronger configuration result was used
CursorBench 56.3% Epoch AI A stronger configuration result was used
CursorBench 56.9% Epoch AI A stronger configuration result was used
CursorBench 54.8% Epoch AI A stronger configuration result was used
CursorBench 53.2% Epoch AI A stronger configuration result was used
SciCode 65.6% Epoch AI A stronger configuration result was used
SciCode 59.5% Epoch AI A stronger configuration result was used
SciCode 59.7% Epoch AI A stronger configuration result was used
SciCode 57.8% Epoch AI A stronger configuration result was used

Names matched to this model

claude-fable-5-2

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