Noometry

Model comparison

Claude Haiku 4.5 vs Yi-34B

Claude Haiku 4.5 is the stronger model overall, scoring 39.5 to 27.8 on the Noometry Index.

Last verified . 20 shared benchmarks.

Claude Haiku 4.5 Anthropic

39.5

Rank #165 Confirmed

Yi-34B 01.AI

27.8

Rank #329 Confirmed

Summary

  • They share 20 benchmarks with published results for both. Claude Haiku 4.5 scores higher in 7 categories and Yi-34B in 1 category; 8 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Claude Haiku 4.5 leads 37.7 to 7.5.
  • The biggest single-benchmark swing is MATH Level 5: 96.4% for Claude Haiku 4.5 and 5.1% for Yi-34B.
  • Yi-34B has downloadable open weights; the other is API-only.

Side by side

Claude Haiku 4.5Yi-34B
ProviderAnthropic01.AI
Noometry Index39.527.8
Released2025-10-152023-11-02
WeightsProprietaryOpen
Context window200K—
Max output64K—
Input $ / M tokens$1—
Output $ / M tokens$5—
Results tracked5323

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Category by category

Coding Claude Haiku 4.5 leads

Claude Haiku 4.5: 44.0 (#78), Yi-34B: 32.3 (#274)

BenchmarkClaude Haiku 4.5Yi-34B
LMArena Coding14531112
SWE-bench Verified (bash only)66.6%—
LMArena WebDev1330—
SWE-bench Multilingual64.7%—
SciCode43.3%—
WeirdML45.4%—
ALE-Bench653.48—

Agentic & Tool Use Not comparable

Claude Haiku 4.5: 33.6 (#52), Yi-34B: —

BenchmarkClaude Haiku 4.5Yi-34B
Terminal-Bench35.5%—
Berkeley Function Calling Leaderboard68.7%—
DeepResearch Bench45.5%—
BALROG31.2%—
ExploitBench13.7%—
Vending-Bench 2458.89—

Reasoning Yi-34B leads

Claude Haiku 4.5: 15.1 (#320), Yi-34B: 21.2 (#226)

BenchmarkClaude Haiku 4.5Yi-34B
LMArena Hard Prompts14201104
Epoch Capabilities Index142.41117.39
ARC-AGI-24%—
NYT Connections (extended)14.3%—
ARC-AGI-147.7%—
CritPt0%—
Chess Puzzles8%—
DTBench73.6%—
LMCA30.9%—
BIG-Bench Hard—71.7%
ForecastBench61.4—

Math Claude Haiku 4.5 leads

Claude Haiku 4.5: 44.9 (#78), Yi-34B: 21.6 (#282)

BenchmarkClaude Haiku 4.5Yi-34B
LMArena Math13961114
MATH Level 596.4%5.1%
OTIS Mock AIME 2024-202566.7%—
Omni-MATH56.1%—
FrontierMath (Feb 2025 set)5.9%—
FrontierMath Tier 4 (v1)2.1%—
GSM8K—76%

Knowledge Claude Haiku 4.5 leads

Claude Haiku 4.5: 37.7 (#153), Yi-34B: 7.5 (#309)

BenchmarkClaude Haiku 4.5Yi-34B
GPQA Diamond71.2%14.7%
LMArena Expert14421061
SimpleQA Verified13.2%—
MMLU-Pro77.7%—
Vectara Hallucination Rate9.8%—
GPQA (HELM)60.5%—
MMLU—76.3%

Multimodal Not comparable

Claude Haiku 4.5: 26.8 (#118), Yi-34B: —

BenchmarkClaude Haiku 4.5Yi-34B
Blueprint-Bench 20%—
LMArena Document1420—

Multilingual Claude Haiku 4.5 leads

Claude Haiku 4.5: 49.9 (#129), Yi-34B: 29.7 (#264)

BenchmarkClaude Haiku 4.5Yi-34B
LMArena Non-English13771079
LMArena Chinese14171176
LMArena French14081081
LMArena German13751042
LMArena Japanese1339993
LMArena Korean1347959
LMArena Russian13811050
LMArena Spanish14201070

Instruction Following Claude Haiku 4.5 leads

Claude Haiku 4.5: 71.4 (#149), Yi-34B: 56.2 (#274)

BenchmarkClaude Haiku 4.5Yi-34B
LMArena Instruction Following14141091
IFEval80.1%—

Long Context Claude Haiku 4.5 leads

Claude Haiku 4.5: 43.6 (#92), Yi-34B: 33.2 (#264)

BenchmarkClaude Haiku 4.5Yi-34B
LMArena Longer Query14271094

Writing & Preference Claude Haiku 4.5 leads

Claude Haiku 4.5: 57.9 (#123), Yi-34B: 34.1 (#273)

BenchmarkClaude Haiku 4.5Yi-34B
LMArena Text13961129
LMArena Creative Writing13721108
LMArena Multi-Turn14091113
WildBench83.9%—
EQ-Bench 41064—

Frequently asked questions

Is Claude Haiku 4.5 better than Yi-34B?

Claude Haiku 4.5 is the stronger model overall, scoring 39.5 to 27.8 on the Noometry Index.

Is Claude Haiku 4.5 or Yi-34B better for coding?

Claude Haiku 4.5 scores higher on coding benchmarks: 44.0 versus 32.3 in the Noometry coding category.

How many benchmarks do Claude Haiku 4.5 and Yi-34B share?

20 benchmarks have published results for both models. Claude Haiku 4.5 has 53 scored results on Noometry and Yi-34B has 23.

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