Noometry

Model comparison

Claude Fable 5.1 vs phi-3-mini 3.8B

Claude Fable 5.1 has enough public results to be ranked (#2); phi-3-mini 3.8B does not yet, so treat this comparison as directional.

Last verified . 1 shared benchmarks.

Claude Fable 5.1 Anthropic

68.5

Rank #2 Confirmed

phi-3-mini 3.8B Microsoft

—

Unranked

Summary

  • They share 1 benchmark with published results for both.

Side by side

Claude Fable 5.1phi-3-mini 3.8B
ProviderAnthropicMicrosoft
Noometry Index68.5—
Released2026-09-01—
WeightsProprietaryProprietary
Context window1M—
Max output128K—
Input $ / M tokens$10—
Output $ / M tokens$50—
Results tracked501

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Category by category

Coding Not comparable

Claude Fable 5.1: 70.5 (#2), phi-3-mini 3.8B: —

BenchmarkClaude Fable 5.1phi-3-mini 3.8B
FrontierCode50.9%—
CursorBench51.8%—
LMArena WebDev1753—
FrontierSWE56.3%—
SciCode63.1%—
WeirdML92.9%—
LMArena Coding1523—
MirrorCode73.3%—
ALE-Bench2,143—

Agentic & Tool Use Not comparable

Claude Fable 5.1: 50.8 (#5), phi-3-mini 3.8B: —

BenchmarkClaude Fable 5.1phi-3-mini 3.8B
APEX-Agents68.6%—
Remote Labor Index17.9%—
GDP.pdf29.6%—
Vending-Bench 25,422—

Reasoning Not comparable

Claude Fable 5.1: 76.7 (#5), phi-3-mini 3.8B: —

BenchmarkClaude Fable 5.1phi-3-mini 3.8B
Epoch Capabilities Index165117.23
ARC-AGI-290%—
NYT Connections (extended)90%—
ARC-AGI-197.5%—
CritPt31.1%—
Chess Puzzles47%—
EBR-Bench57.1%—
LMArena Hard Prompts1526—
Mystery Game Puzzles58%—
DTBench97.6%—
LMCA65.5%—

Math Not comparable

Claude Fable 5.1: 89.5 (#3), phi-3-mini 3.8B: —

BenchmarkClaude Fable 5.1phi-3-mini 3.8B
FrontierMath (Tiers 1-3)90.2%—
FrontierMath Tier 487.8%—
OTIS Mock AIME 2024-2025100%—
ProofBench100%—
LMArena Math1519—
FrontierMath Erdős0%—

Knowledge Not comparable

Claude Fable 5.1: 69.3 (#5), phi-3-mini 3.8B: —

BenchmarkClaude Fable 5.1phi-3-mini 3.8B
Humanity's Last Exam46.5%—
SimpleQA Verified70.8%—
LMArena Expert1528—

Multimodal Not comparable

Claude Fable 5.1: 54.1 (#4), phi-3-mini 3.8B: —

BenchmarkClaude Fable 5.1phi-3-mini 3.8B
LMArena Vision1319—
Blueprint-Bench 241.9%—
Furniture Assembly70%—
LMArena Document1513—

Multilingual Not comparable

Claude Fable 5.1: 59.5 (#2), phi-3-mini 3.8B: —

BenchmarkClaude Fable 5.1phi-3-mini 3.8B
LMArena Non-English1509—
LMArena Chinese1589—
LMArena French1532—
LMArena German1495—
LMArena Japanese1565—
LMArena Russian1525—
LMArena Spanish1503—

Instruction Following Not comparable

Claude Fable 5.1: 79.3 (#6), phi-3-mini 3.8B: —

BenchmarkClaude Fable 5.1phi-3-mini 3.8B
LMArena Instruction Following1515—

Long Context Not comparable

Claude Fable 5.1: 46.8 (#19), phi-3-mini 3.8B: —

BenchmarkClaude Fable 5.1phi-3-mini 3.8B
LMArena Longer Query1524—

Writing & Preference Not comparable

Claude Fable 5.1: 79.3 (#1), phi-3-mini 3.8B: —

BenchmarkClaude Fable 5.1phi-3-mini 3.8B
LMArena Text1511—
LMArena Creative Writing1507—
EQ-Bench Creative Writing2162—
LMArena Multi-Turn1492—

Frequently asked questions

Is Claude Fable 5.1 better than phi-3-mini 3.8B?

Claude Fable 5.1 has enough public results to be ranked (#2); phi-3-mini 3.8B does not yet, so treat this comparison as directional.

How many benchmarks do Claude Fable 5.1 and phi-3-mini 3.8B share?

1 benchmark has published results for both models. Claude Fable 5.1 has 50 scored results on Noometry and phi-3-mini 3.8B has 1.

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