Noometry

Model comparison

Claude Sonnet 5 vs Yi-34B

Claude Sonnet 5 is the stronger model overall, scoring 54.6 to 27.8 on the Noometry Index.

Last verified . 19 shared benchmarks.

Claude Sonnet 5 Anthropic

54.6

Rank #29 Confirmed

Yi-34B 01.AI

27.8

Rank #329 Confirmed

Summary

  • They share 19 benchmarks with published results for both. Claude Sonnet 5 scores higher in 8 categories and Yi-34B in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Claude Sonnet 5 leads 55.6 to 7.5.
  • The biggest single-benchmark swing is GPQA Diamond: 90.5% for Claude Sonnet 5 and 14.7% for Yi-34B.
  • Yi-34B has downloadable open weights; the other is API-only.

Side by side

Claude Sonnet 5Yi-34B
ProviderAnthropic01.AI
Noometry Index54.627.8
Released2026-06-292023-11-02
WeightsProprietaryOpen
Context window1M—
Max output128K—
Input $ / M tokens$2—
Output $ / M tokens$10—
Results tracked5123

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Category by category

Coding Claude Sonnet 5 leads

Claude Sonnet 5: 55.5 (#26), Yi-34B: 32.3 (#274)

BenchmarkClaude Sonnet 5Yi-34B
LMArena Coding14831112
DeepSWE53.8%—
FrontierCode42.7%—
CursorBench34.1%—
LMArena WebDev1541—
SciCode54.3%—
GSO37.3%—
WeirdML68.8%—
ALE-Bench1,463—

Agentic & Tool Use Not comparable

Claude Sonnet 5: 42.8 (#18), Yi-34B: —

BenchmarkClaude Sonnet 5Yi-34B
APEX-Agents54.5%—
GBAEval65.3%—
LMArena Search1194—
Vending-Bench 26,378—

Reasoning Claude Sonnet 5 leads

Claude Sonnet 5: 49.1 (#39), Yi-34B: 21.2 (#226)

BenchmarkClaude Sonnet 5Yi-34B
LMArena Hard Prompts14611104
Epoch Capabilities Index156.21117.39
SimpleBench60.6%—
NYT Connections (extended)75.1%—
CritPt16.9%—
Chess Puzzles35%—
Mystery Game Puzzles35%—
DTBench92.5%—
LMCA50%—
Surface Evolver Bench60%—
Bench to the Future 30.14—
BIG-Bench Hard—71.7%
ForecastBench61.1—

Math Claude Sonnet 5 leads

Claude Sonnet 5: 66.2 (#27), Yi-34B: 21.6 (#282)

BenchmarkClaude Sonnet 5Yi-34B
LMArena Math14671114
FrontierMath (Tiers 1-3)65.6%—
FrontierMath Tier 429.3%—
OTIS Mock AIME 2024-202594.7%—
ProofBench77%—
MATH Level 5—5.1%
GSM8K—76%

Knowledge Claude Sonnet 5 leads

Claude Sonnet 5: 55.6 (#47), Yi-34B: 7.5 (#309)

BenchmarkClaude Sonnet 5Yi-34B
GPQA Diamond90.5%14.7%
LMArena Expert14901061
SimpleQA Verified33.7%—
MMLU—76.3%

Multimodal Not comparable

Claude Sonnet 5: 42.4 (#31), Yi-34B: —

BenchmarkClaude Sonnet 5Yi-34B
LMArena Vision1274—
Blueprint-Bench 224.9%—
LMArena Document1466—

Multilingual Claude Sonnet 5 leads

Claude Sonnet 5: 53.8 (#55), Yi-34B: 29.7 (#264)

BenchmarkClaude Sonnet 5Yi-34B
LMArena Non-English14311079
LMArena Chinese14771176
LMArena French14601081
LMArena German14401042
LMArena Japanese1422993
LMArena Korean1411959
LMArena Russian14511050
LMArena Spanish14371070

Instruction Following Claude Sonnet 5 leads

Claude Sonnet 5: 76.3 (#41), Yi-34B: 56.2 (#274)

BenchmarkClaude Sonnet 5Yi-34B
LMArena Instruction Following14521091

Long Context Claude Sonnet 5 leads

Claude Sonnet 5: 44.8 (#55), Yi-34B: 33.2 (#264)

BenchmarkClaude Sonnet 5Yi-34B
LMArena Longer Query14631094

Writing & Preference Claude Sonnet 5 leads

Claude Sonnet 5: 69.2 (#25), Yi-34B: 34.1 (#273)

BenchmarkClaude Sonnet 5Yi-34B
LMArena Text14421129
LMArena Creative Writing14161108
LMArena Multi-Turn14541113
EQ-Bench Creative Writing1794—
EQ-Bench 41236—

Frequently asked questions

Is Claude Sonnet 5 better than Yi-34B?

Claude Sonnet 5 is the stronger model overall, scoring 54.6 to 27.8 on the Noometry Index.

Is Claude Sonnet 5 or Yi-34B better for coding?

Claude Sonnet 5 scores higher on coding benchmarks: 55.5 versus 32.3 in the Noometry coding category.

How many benchmarks do Claude Sonnet 5 and Yi-34B share?

19 benchmarks have published results for both models. Claude Sonnet 5 has 51 scored results on Noometry and Yi-34B has 23.

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