Model comparison

Claude Haiku 5.5 vs Hy3

Claude Haiku 5.5 is the stronger model overall, scoring 49.5 to 44.2 on the Noometry Index.

Last verified October 10, 2026. 2 shared benchmarks.

Claude Haiku 5.5 Anthropic

49.5

Rank #52 Confirmed

Hy3

Tencent

44.2

Rank #79 Confirmed

Summary

They share 2 benchmarks with published results for both. Claude Haiku 5.5 scores higher in 4 categories and Hy3 in 0 categories; 4 gaps are clear of the uncertainty.
The widest gap is in math, where Claude Haiku 5.5 leads 73.6 to 40.1.
The biggest single-benchmark swing is NYT Connections (extended): 65.7% for Claude Haiku 5.5 and 41.2% for Hy3.
Hy3 is cheaper at $0.0825 / $0.33 per million input/output tokens, against $0.10 / $0.50 for Claude Haiku 5.5.
Claude Haiku 5.5 accepts more context: 1M tokens versus 262K.
Hy3 has downloadable open weights; the other is API-only.

Side by side

Claude Haiku 5.5 and Hy3 specifications
	Claude Haiku 5.5	Hy3
Provider	Anthropic	Tencent
Noometry Index	49.5	44.2
Released	2026-10-07	2026-07-06
Weights	Proprietary	Open
Context window	1M	262K
Max output	128K	128K
Input $ / M tokens	$0.10	$0.0825
Output $ / M tokens	$0.50	$0.33
Results tracked	9	19

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Category by category

Coding Claude Haiku 5.5 leads

Claude Haiku 5.5: 49.2 (#50), Hy3: 46.8 (#63)

Coding benchmarks
Benchmark	Claude Haiku 5.5	Hy3
LMArena WebDev	1587	1508
LMArena Coding	—	1464

Reasoning Claude Haiku 5.5 leads

Claude Haiku 5.5: 35.2 (#69), Hy3: 26.1 (#136)

Reasoning benchmarks
Benchmark	Claude Haiku 5.5	Hy3
NYT Connections (extended)	65.7%	41.2%
LMArena Hard Prompts	—	1447
Mystery Game Puzzles	30%	—

Math Claude Haiku 5.5 leads

Claude Haiku 5.5: 73.6 (#18), Hy3: 40.1 (#93)

Math benchmarks
Benchmark	Claude Haiku 5.5	Hy3
FrontierMath (Tiers 1-3)	75.1%	—
FrontierMath Tier 4	46.3%	—
OTIS Mock AIME 2024-2025	98.9%	—
LMArena Math	—	1475

Knowledge Claude Haiku 5.5 leads

Claude Haiku 5.5: 50.8 (#70), Hy3: 40.8 (#114)

Knowledge benchmarks
Benchmark	Claude Haiku 5.5	Hy3
GPQA Diamond	89.6%	—
SimpleQA Verified	23.8%	—
LMArena Expert	—	1460

Multimodal Not comparable

Claude Haiku 5.5: 43.7 (#21), Hy3: —

Multimodal benchmarks
Benchmark	Claude Haiku 5.5	Hy3
Furniture Assembly	47.5%	—

Multilingual Not comparable

Claude Haiku 5.5: —, Hy3: 53.5 (#65)

Multilingual benchmarks
Benchmark	Claude Haiku 5.5	Hy3
LMArena Non-English	—	1426
LMArena Chinese	—	1493
LMArena French	—	1461
LMArena German	—	1439
LMArena Japanese	—	1392
LMArena Korean	—	1395
LMArena Russian	—	1432
LMArena Spanish	—	1456

Instruction Following Not comparable

Claude Haiku 5.5: —, Hy3: 75.1 (#70)

Instruction Following benchmarks
Benchmark	Claude Haiku 5.5	Hy3
LMArena Instruction Following	—	1426

Long Context Not comparable

Claude Haiku 5.5: —, Hy3: 44.1 (#75)

Long Context benchmarks
Benchmark	Claude Haiku 5.5	Hy3
LMArena Longer Query	—	1442

Writing & Preference Not comparable

Claude Haiku 5.5: —, Hy3: 62.2 (#81)

Writing & Preference benchmarks
Benchmark	Claude Haiku 5.5	Hy3
LMArena Text	—	1439
LMArena Creative Writing	—	1402
LMArena Multi-Turn	—	1436

Frequently asked questions

Is Claude Haiku 5.5 better than Hy3?

Claude Haiku 5.5 is the stronger model overall, scoring 49.5 to 44.2 on the Noometry Index.

Which is cheaper, Claude Haiku 5.5 or Hy3?

Hy3 is cheaper. It lists at $0.0825 per million input tokens and $0.33 per million output tokens; Claude Haiku 5.5 lists at $0.10 and $0.50.

Is Claude Haiku 5.5 or Hy3 better for coding?

Claude Haiku 5.5 scores higher on coding benchmarks: 49.2 versus 46.8 in the Noometry coding category.

Which has the bigger context window?

Claude Haiku 5.5 does, with 1M tokens against 262K.

How many benchmarks do Claude Haiku 5.5 and Hy3 share?

2 benchmarks have published results for both models. Claude Haiku 5.5 has 9 scored results on Noometry and Hy3 has 19.