Model comparison

Claude 3.5 Haiku vs Gemini 2.5 Pro

Gemini 2.5 Pro is the stronger model overall, scoring 44.9 to 28.9 on the Noometry Index.

Last verified . 46 shared benchmarks.

Claude 3.5 Haiku Anthropic

28.9

Rank #309 Confirmed

Gemini 2.5 Pro Google

44.9

Rank #67 Confirmed

Summary

  • They share 46 benchmarks with published results for both. Claude 3.5 Haiku scores higher in 0 categories and Gemini 2.5 Pro in 10 categories; 10 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Gemini 2.5 Pro leads 55.8 to 18.7.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 4.3% for Claude 3.5 Haiku and 84.7% for Gemini 2.5 Pro.

Side by side

Claude 3.5 Haiku and Gemini 2.5 Pro specifications
Claude 3.5 HaikuGemini 2.5 Pro
ProviderAnthropicGoogle
Noometry Index28.944.9
Released2024-10-222025-03-25
WeightsProprietaryProprietary
Context window—1.05M
Max output—66K
Input $ / M tokens—$1.25
Output $ / M tokens—$10
Results tracked4978

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Category by category

Coding Gemini 2.5 Pro leads

Claude 3.5 Haiku: 32.6 (#258), Gemini 2.5 Pro: 42.8 (#86)

Coding benchmarks
BenchmarkClaude 3.5 HaikuGemini 2.5 Pro
Aider Polyglot28%83.1%
SciCode27.4%42.8%
WeirdML30.7%54%
LiveBench Coding51.4%85.9%
LMArena Coding12871452
CadEval32%64%
SWE-bench Verified—57.6%
SWE-bench Verified (bash only)—53.6%
LMArena WebDev—1227
GSO—3.9%
BigCodeBench Instruct46.1%—
BigCodeBench Complete59%—
ALE-Bench—785.52
AlgoTune—1.51

Agentic & Tool Use Gemini 2.5 Pro leads

Claude 3.5 Haiku: 27.7 (#90), Gemini 2.5 Pro: 29.1 (#81)

Agentic & Tool Use benchmarks
BenchmarkClaude 3.5 HaikuGemini 2.5 Pro
BALROG19.3%43.3%
Terminal-Bench—32.6%
GDPval—23.3%
Remote Labor Index—0.8%
TheAgentCompany—30.3%
τ²-bench Banking—13.7%
DeepResearch Bench—42.8%
LMArena Search—1142
METR Time Horizons—55.4%
Vending-Bench 2—573.64

Reasoning Gemini 2.5 Pro leads

Claude 3.5 Haiku: 17.1 (#286), Gemini 2.5 Pro: 28.8 (#85)

Reasoning benchmarks
BenchmarkClaude 3.5 HaikuGemini 2.5 Pro
CritPt0%2%
LiveBench Reasoning28.1%89.8%
LMArena Hard Prompts12511455
DTBench56.7%82.4%
LiveBench Data Analysis48.5%79.9%
Epoch Capabilities Index127.15145.32
LiveBench43.5%82.3%
ARC-AGI-2—4.9%
SimpleBench—62.4%
Kagi LLM Benchmark—70.3%
ARC-AGI-1—41%
Chess Puzzles—20%
EnigmaEval—5.6%
LMCA—34.8%
ForecastBench—61.3

Math Gemini 2.5 Pro leads

Claude 3.5 Haiku: 13.7 (#294), Gemini 2.5 Pro: 31.9 (#191)

Math benchmarks
BenchmarkClaude 3.5 HaikuGemini 2.5 Pro
OTIS Mock AIME 2024-20254.3%84.7%
Omni-MATH22.4%41.6%
LiveBench Math35.5%90.2%
LMArena Math12441450
MATH Level 546.4%95.9%
FrontierMath (Feb 2025 set)0.3%14.1%
FrontierMath (Tiers 1-3)—24.6%
FrontierMath Tier 4—0%
FrontierMath Tier 4 (v1)—4.2%

Knowledge Gemini 2.5 Pro leads

Claude 3.5 Haiku: 18.7 (#276), Gemini 2.5 Pro: 55.8 (#41)

Knowledge benchmarks
BenchmarkClaude 3.5 HaikuGemini 2.5 Pro
GPQA Diamond38.1%85.3%
MMLU-Pro60.5%86.3%
Confabulations36.7%10.6%
GPQA (HELM)36.3%74.9%
LMArena Expert12081452
Humanity's Last Exam—21.6%
Vectara Hallucination Rate—7%
MMLU74.3%—

Multimodal Gemini 2.5 Pro leads

Claude 3.5 Haiku: 26.3 (#113), Gemini 2.5 Pro: 44.5 (#16)

Multimodal benchmarks
BenchmarkClaude 3.5 HaikuGemini 2.5 Pro
LMArena Vision10921263
GeoBench34%86%
VPCT—48%
LMArena Document—1421
SpatialViz-Bench—44.7%

Multilingual Gemini 2.5 Pro leads

Claude 3.5 Haiku: 40.2 (#213), Gemini 2.5 Pro: 55.5 (#30)

Multilingual benchmarks
BenchmarkClaude 3.5 HaikuGemini 2.5 Pro
LMArena Non-English12381452
LMArena Chinese12291507
LMArena French12621473
LMArena German12371487
LMArena Japanese11751462
LMArena Korean11721435
LMArena Russian12531460
LMArena Spanish12611473

Instruction Following Gemini 2.5 Pro leads

Claude 3.5 Haiku: 63.1 (#229), Gemini 2.5 Pro: 75.2 (#71)

Instruction Following benchmarks
BenchmarkClaude 3.5 HaikuGemini 2.5 Pro
LiveBench Instruction Following61.9%80.6%
IFEval79.2%84%
LMArena Instruction Following12411436

Long Context Gemini 2.5 Pro leads

Claude 3.5 Haiku: 38.3 (#195), Gemini 2.5 Pro: 59.7 (#5)

Long Context benchmarks
BenchmarkClaude 3.5 HaikuGemini 2.5 Pro
LMArena Longer Query12611449
Fiction.LiveBench—91.7%

Writing & Preference Gemini 2.5 Pro leads

Claude 3.5 Haiku: 42.9 (#228), Gemini 2.5 Pro: 63.9 (#60)

Writing & Preference benchmarks
BenchmarkClaude 3.5 HaikuGemini 2.5 Pro
LMArena Text12551458
LMArena Creative Writing12331453
Short-Story Creative Writing73.5%83.8%
EQ-Bench Creative Writing11461421
WildBench76%85.7%
LMArena Multi-Turn12651453
LiveBench Language35.4%67.8%

Frequently asked questions

Is Claude 3.5 Haiku better than Gemini 2.5 Pro?

Gemini 2.5 Pro is the stronger model overall, scoring 44.9 to 28.9 on the Noometry Index.

Is Claude 3.5 Haiku or Gemini 2.5 Pro better for coding?

Gemini 2.5 Pro scores higher on coding benchmarks: 42.8 versus 32.6 in the Noometry coding category.

How many benchmarks do Claude 3.5 Haiku and Gemini 2.5 Pro share?

46 benchmarks have published results for both models. Claude 3.5 Haiku has 49 scored results on Noometry and Gemini 2.5 Pro has 78.

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