Noometry

Model comparison

Claude Haiku 4.5 vs Hy3

Hy3 is the stronger model overall, scoring 44.2 to 39.5 on the Noometry Index.

Last verified . 19 shared benchmarks.

Claude Haiku 4.5 Anthropic

39.5

Rank #165 Confirmed

Hy3 Tencent

44.2

Rank #79 Confirmed

Summary

  • They share 19 benchmarks with published results for both. Claude Haiku 4.5 scores higher in 1 category and Hy3 in 7 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Hy3 leads 26.1 to 15.1.
  • The biggest single-benchmark swing is NYT Connections (extended): 14.3% for Claude Haiku 4.5 and 41.2% for Hy3.
  • Hy3 is cheaper at $0.0825 / $0.33 per million input/output tokens, against $1 / $5 for Claude Haiku 4.5.
  • Hy3 accepts more context: 262K tokens versus 200K.
  • Hy3 has downloadable open weights; the other is API-only.

Side by side

Claude Haiku 4.5Hy3
ProviderAnthropicTencent
Noometry Index39.544.2
Released2025-10-152026-07-06
WeightsProprietaryOpen
Context window200K262K
Max output64K128K
Input $ / M tokens$1$0.0825
Output $ / M tokens$5$0.33
Results tracked5319

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Category by category

Coding Hy3 leads

Claude Haiku 4.5: 44.0 (#78), Hy3: 46.8 (#63)

BenchmarkClaude Haiku 4.5Hy3
LMArena WebDev13301508
LMArena Coding14531464
SWE-bench Verified (bash only)66.6%—
SWE-bench Multilingual64.7%—
SciCode43.3%—
WeirdML45.4%—
ALE-Bench653.48—

Agentic & Tool Use Not comparable

Claude Haiku 4.5: 33.6 (#52), Hy3: —

BenchmarkClaude Haiku 4.5Hy3
Terminal-Bench35.5%—
Berkeley Function Calling Leaderboard68.7%—
DeepResearch Bench45.5%—
BALROG31.2%—
ExploitBench13.7%—
Vending-Bench 2458.89—

Reasoning Hy3 leads

Claude Haiku 4.5: 15.1 (#320), Hy3: 26.1 (#136)

BenchmarkClaude Haiku 4.5Hy3
NYT Connections (extended)14.3%41.2%
LMArena Hard Prompts14201447
ARC-AGI-24%—
ARC-AGI-147.7%—
CritPt0%—
Chess Puzzles8%—
DTBench73.6%—
LMCA30.9%—
Epoch Capabilities Index142.41—
ForecastBench61.4—

Math Claude Haiku 4.5 leads

Claude Haiku 4.5: 44.9 (#78), Hy3: 40.1 (#93)

BenchmarkClaude Haiku 4.5Hy3
LMArena Math13961475
OTIS Mock AIME 2024-202566.7%—
Omni-MATH56.1%—
MATH Level 596.4%—
FrontierMath (Feb 2025 set)5.9%—
FrontierMath Tier 4 (v1)2.1%—

Knowledge Hy3 leads

Claude Haiku 4.5: 37.7 (#153), Hy3: 40.8 (#114)

BenchmarkClaude Haiku 4.5Hy3
LMArena Expert14421460
GPQA Diamond71.2%—
SimpleQA Verified13.2%—
MMLU-Pro77.7%—
Vectara Hallucination Rate9.8%—
GPQA (HELM)60.5%—

Multimodal Not comparable

Claude Haiku 4.5: 26.8 (#118), Hy3: —

BenchmarkClaude Haiku 4.5Hy3
Blueprint-Bench 20%—
LMArena Document1420—

Multilingual Hy3 leads

Claude Haiku 4.5: 49.9 (#129), Hy3: 53.5 (#65)

BenchmarkClaude Haiku 4.5Hy3
LMArena Non-English13771426
LMArena Chinese14171493
LMArena French14081461
LMArena German13751439
LMArena Japanese13391392
LMArena Korean13471395
LMArena Russian13811432
LMArena Spanish14201456

Instruction Following Hy3 leads

Claude Haiku 4.5: 71.4 (#149), Hy3: 75.1 (#70)

BenchmarkClaude Haiku 4.5Hy3
LMArena Instruction Following14141426
IFEval80.1%—

Long Context Too close to call

Claude Haiku 4.5: 43.6 (#92), Hy3: 44.1 (#75)

BenchmarkClaude Haiku 4.5Hy3
LMArena Longer Query14271442

Writing & Preference Hy3 leads

Claude Haiku 4.5: 57.9 (#123), Hy3: 62.2 (#81)

BenchmarkClaude Haiku 4.5Hy3
LMArena Text13961439
LMArena Creative Writing13721402
LMArena Multi-Turn14091436
WildBench83.9%—
EQ-Bench 41064—

Frequently asked questions

Is Claude Haiku 4.5 better than Hy3?

Hy3 is the stronger model overall, scoring 44.2 to 39.5 on the Noometry Index.

Which is cheaper, Claude Haiku 4.5 or Hy3?

Hy3 is cheaper. It lists at $0.0825 per million input tokens and $0.33 per million output tokens; Claude Haiku 4.5 lists at $1 and $5.

Is Claude Haiku 4.5 or Hy3 better for coding?

Hy3 scores higher on coding benchmarks: 46.8 versus 44.0 in the Noometry coding category.

Which has the bigger context window?

Hy3 does, with 262K tokens against 200K.

How many benchmarks do Claude Haiku 4.5 and Hy3 share?

19 benchmarks have published results for both models. Claude Haiku 4.5 has 53 scored results on Noometry and Hy3 has 19.

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