Noometry

Model comparison

Claude 3.5 Haiku vs Molmo 2 8b

Molmo 2 8b is the stronger model overall, scoring 39.1 to 29.2 on the Noometry Index.

Last verified . 5 shared benchmarks.

Claude 3.5 Haiku Anthropic

29.2

Rank #315 Confirmed

Molmo 2 8b Allen Institute for AI (Ai2)

39.1

Rank #174 Confirmed

Summary

  • They share 5 benchmarks with published results for both. Claude 3.5 Haiku scores higher in 0 categories and Molmo 2 8b in 5 categories; 5 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Molmo 2 8b leads 25.6 to 17.7.
  • Molmo 2 8b has downloadable open weights; the other is API-only.

Side by side

Claude 3.5 HaikuMolmo 2 8b
ProviderAnthropicAllen Institute for AI (Ai2)
Noometry Index29.239.1
Released2024-10-22—
WeightsProprietaryOpen
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked495

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Category by category

Coding Not comparable

Claude 3.5 Haiku: 32.9 (#265), Molmo 2 8b: —

BenchmarkClaude 3.5 HaikuMolmo 2 8b
Aider Polyglot28%—
SciCode27.4%—
WeirdML30.7%—
BigCodeBench Instruct46.1%—
LiveBench Coding51.4%—
LMArena Coding1286—
BigCodeBench Complete59%—
CadEval32%—

Agentic & Tool Use Not comparable

Claude 3.5 Haiku: 28.0 (#95), Molmo 2 8b: —

BenchmarkClaude 3.5 HaikuMolmo 2 8b
BALROG19.3%—

Reasoning Molmo 2 8b leads

Claude 3.5 Haiku: 17.7 (#290), Molmo 2 8b: 25.6 (#146)

BenchmarkClaude 3.5 HaikuMolmo 2 8b
LMArena Hard Prompts12511287
CritPt0%—
LiveBench Reasoning28.1%—
DTBench56.7%—
LiveBench Data Analysis48.5%—
Epoch Capabilities Index127.15—
LiveBench43.5%—

Math Not comparable

Claude 3.5 Haiku: 14.7 (#300), Molmo 2 8b: —

BenchmarkClaude 3.5 HaikuMolmo 2 8b
OTIS Mock AIME 2024-20254.3%—
Omni-MATH22.4%—
LiveBench Math35.5%—
LMArena Math1244—
MATH Level 546.4%—
FrontierMath (Feb 2025 set)0.3%—

Knowledge Not comparable

Claude 3.5 Haiku: 18.7 (#281), Molmo 2 8b: —

BenchmarkClaude 3.5 HaikuMolmo 2 8b
GPQA Diamond38.1%—
MMLU-Pro60.5%—
Confabulations36.7%—
GPQA (HELM)36.3%—
LMArena Expert1208—
MMLU74.3%—

Multimodal Molmo 2 8b leads

Claude 3.5 Haiku: 26.8 (#117), Molmo 2 8b: 30.2 (#112)

BenchmarkClaude 3.5 HaikuMolmo 2 8b
LMArena Vision10921081
GeoBench34%—

Multilingual Molmo 2 8b leads

Claude 3.5 Haiku: 40.0 (#218), Molmo 2 8b: 42.7 (#190)

BenchmarkClaude 3.5 HaikuMolmo 2 8b
LMArena Non-English12381276
LMArena Chinese1229—
LMArena French1264—
LMArena German1237—
LMArena Japanese1175—
LMArena Korean1173—
LMArena Russian1253—
LMArena Spanish1261—

Instruction Following Molmo 2 8b leads

Claude 3.5 Haiku: 62.9 (#234), Molmo 2 8b: 67.0 (#201)

BenchmarkClaude 3.5 HaikuMolmo 2 8b
LMArena Instruction Following12411270
LiveBench Instruction Following61.9%—
IFEval79.2%—

Long Context Not comparable

Claude 3.5 Haiku: 38.3 (#200), Molmo 2 8b: —

BenchmarkClaude 3.5 HaikuMolmo 2 8b
LMArena Longer Query1261—

Writing & Preference Molmo 2 8b leads

Claude 3.5 Haiku: 42.7 (#234), Molmo 2 8b: 49.4 (#191)

BenchmarkClaude 3.5 HaikuMolmo 2 8b
LMArena Text12551288
LMArena Creative Writing1233—
Short-Story Creative Writing73.5%—
EQ-Bench Creative Writing1146—
WildBench76%—
LMArena Multi-Turn1265—
LiveBench Language35.4%—

Frequently asked questions

Is Claude 3.5 Haiku better than Molmo 2 8b?

Molmo 2 8b is the stronger model overall, scoring 39.1 to 29.2 on the Noometry Index.

How many benchmarks do Claude 3.5 Haiku and Molmo 2 8b share?

5 benchmarks have published results for both models. Claude 3.5 Haiku has 49 scored results on Noometry and Molmo 2 8b has 5.

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