Model comparison

Claude Haiku 5.5 vs Phi 3 Medium 4k Instruct

Claude Haiku 5.5 is the stronger model overall, scoring 49.5 to 33.0 on the Noometry Index.

Last verified . 0 shared benchmarks.

Claude Haiku 5.5 Anthropic

49.5

Rank #52 Confirmed

Phi 3 Medium 4k Instruct Microsoft

33.0

Rank #250 Confirmed

Summary

  • The widest gap is in math, where Claude Haiku 5.5 leads 73.6 to 33.4.
  • Phi 3 Medium 4k Instruct has downloadable open weights; the other is API-only.

Side by side

Claude Haiku 5.5 and Phi 3 Medium 4k Instruct specifications
Claude Haiku 5.5Phi 3 Medium 4k Instruct
ProviderAnthropicMicrosoft
Noometry Index49.533.0
Released2026-10-07—
WeightsProprietaryOpen
Context window1M—
Max output128K—
Input $ / M tokens$0.10—
Output $ / M tokens$0.50—
Results tracked917

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Category by category

Coding Claude Haiku 5.5 leads

Claude Haiku 5.5: 49.2 (#50), Phi 3 Medium 4k Instruct: 32.9 (#268)

Coding benchmarks
BenchmarkClaude Haiku 5.5Phi 3 Medium 4k Instruct
LMArena WebDev1587—
LMArena Coding—1130

Reasoning Claude Haiku 5.5 leads

Claude Haiku 5.5: 35.2 (#69), Phi 3 Medium 4k Instruct: 21.7 (#214)

Reasoning benchmarks
BenchmarkClaude Haiku 5.5Phi 3 Medium 4k Instruct
NYT Connections (extended)65.7%—
LMArena Hard Prompts—1127
Mystery Game Puzzles30%—

Math Claude Haiku 5.5 leads

Claude Haiku 5.5: 73.6 (#18), Phi 3 Medium 4k Instruct: 33.4 (#202)

Math benchmarks
BenchmarkClaude Haiku 5.5Phi 3 Medium 4k Instruct
FrontierMath (Tiers 1-3)75.1%—
FrontierMath Tier 446.3%—
OTIS Mock AIME 2024-202598.9%—
LMArena Math—1173

Knowledge Claude Haiku 5.5 leads

Claude Haiku 5.5: 50.8 (#70), Phi 3 Medium 4k Instruct: 30.2 (#229)

Knowledge benchmarks
BenchmarkClaude Haiku 5.5Phi 3 Medium 4k Instruct
GPQA Diamond89.6%—
SimpleQA Verified23.8%—
LMArena Expert—1108

Multimodal Not comparable

Claude Haiku 5.5: 43.7 (#21), Phi 3 Medium 4k Instruct: —

Multimodal benchmarks
BenchmarkClaude Haiku 5.5Phi 3 Medium 4k Instruct
Furniture Assembly47.5%—

Multilingual Not comparable

Claude Haiku 5.5: —, Phi 3 Medium 4k Instruct: 30.6 (#263)

Multilingual benchmarks
BenchmarkClaude Haiku 5.5Phi 3 Medium 4k Instruct
LMArena Non-English—1094
LMArena Chinese—1108
LMArena French—1110
LMArena German—1101
LMArena Japanese—1042
LMArena Korean—954
LMArena Russian—1145
LMArena Spanish—1095

Instruction Following Not comparable

Claude Haiku 5.5: —, Phi 3 Medium 4k Instruct: 57.6 (#268)

Instruction Following benchmarks
BenchmarkClaude Haiku 5.5Phi 3 Medium 4k Instruct
LMArena Instruction Following—1113

Long Context Not comparable

Claude Haiku 5.5: —, Phi 3 Medium 4k Instruct: 34.0 (#255)

Long Context benchmarks
BenchmarkClaude Haiku 5.5Phi 3 Medium 4k Instruct
LMArena Longer Query—1120

Writing & Preference Not comparable

Claude Haiku 5.5: —, Phi 3 Medium 4k Instruct: 34.1 (#272)

Writing & Preference benchmarks
BenchmarkClaude Haiku 5.5Phi 3 Medium 4k Instruct
LMArena Text—1138
LMArena Creative Writing—1107
LMArena Multi-Turn—1088

Frequently asked questions

Is Claude Haiku 5.5 better than Phi 3 Medium 4k Instruct?

Claude Haiku 5.5 is the stronger model overall, scoring 49.5 to 33.0 on the Noometry Index.

Is Claude Haiku 5.5 or Phi 3 Medium 4k Instruct better for coding?

Claude Haiku 5.5 scores higher on coding benchmarks: 49.2 versus 32.9 in the Noometry coding category.

How many benchmarks do Claude Haiku 5.5 and Phi 3 Medium 4k Instruct share?

0 benchmarks have published results for both models. Claude Haiku 5.5 has 9 scored results on Noometry and Phi 3 Medium 4k Instruct has 17.

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