Model comparison

Claude Opus 4.5 vs OLMo 2 Furious 13B

Claude Opus 4.5 is the stronger model overall, scoring 50.5 to 29.7 on the Noometry Index.

Last verified . 0 shared benchmarks.

Claude Opus 4.5 Anthropic

50.5

Rank #47 Confirmed

Summary

  • The widest gap is in knowledge, where Claude Opus 4.5 leads 56.5 to 18.3.
  • OLMo 2 Furious 13B has downloadable open weights; the other is API-only.

Side by side

Claude Opus 4.5 and OLMo 2 Furious 13B specifications
Claude Opus 4.5OLMo 2 Furious 13B
ProviderAnthropicAllen Institute for AI (Ai2)
Noometry Index50.529.7
Released2025-11-012024-12-31
WeightsProprietaryOpen
Context window200K—
Max output64K—
Input $ / M tokens$5—
Output $ / M tokens$25—
Results tracked6912

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Claude Opus 4.5 leads

Claude Opus 4.5: 54.8 (#27), OLMo 2 Furious 13B: 28.6 (#313)

Coding benchmarks
BenchmarkClaude Opus 4.5OLMo 2 Furious 13B
SWE-bench Verified76.7%—
SWE-bench Verified (bash only)76.8%—
LMArena WebDev1494—
SWE-bench Multilingual70.7%—
GSO26.5%—
WeirdML63.7%—
LiveBench Coding—10.4%
LMArena Coding1504—
ALE-Bench1,025—
AlgoTune1.77—

Agentic & Tool Use Not comparable

Claude Opus 4.5: 47.3 (#12), OLMo 2 Furious 13B: —

Agentic & Tool Use benchmarks
BenchmarkClaude Opus 4.5OLMo 2 Furious 13B
Terminal-Bench63.1%—
Berkeley Function Calling Leaderboard77.5%—
GDPval45.5%—
Remote Labor Index3.8%—
τ²-bench Airline84%—
τ²-bench Banking24.7%—
τ²-bench Retail79.6%—
τ²-bench Telecom92.3%—
Cybench82%—
DeepResearch Bench54.8%—
OSWorld66.3%—
BALROG43.5%—
LMArena Search1180—
METR Time Horizons75%—
Vending-Bench 24,967—

Reasoning Claude Opus 4.5 leads

Claude Opus 4.5: 42.6 (#51), OLMo 2 Furious 13B: 15.5 (#314)

Reasoning benchmarks
BenchmarkClaude Opus 4.5OLMo 2 Furious 13B
ARC-AGI-237.6%—
SimpleBench62%—
Kagi LLM Benchmark80.2%—
NYT Connections (extended)52.5%—
ARC-AGI-180%—
Chess Puzzles12%—
EnigmaEval11.9%—
EBR-Bench14.3%—
LiveBench Reasoning—16.3%
LMArena Hard Prompts1476—
Mystery Game Puzzles22%—
DTBench89.9%—
LiveBench Data Analysis—20.6%
LMCA44.5%—
Epoch Capabilities Index150.09—
ForecastBench60.7—
LiveBench—22.1%

Math Claude Opus 4.5 leads

Claude Opus 4.5: 38.6 (#132), OLMo 2 Furious 13B: 23.1 (#273)

Math benchmarks
BenchmarkClaude Opus 4.5OLMo 2 Furious 13B
FrontierMath (Tiers 1-3)34.4%—
FrontierMath Tier 44.9%—
OTIS Mock AIME 2024-202586.1%—
ProofBench36%—
Omni-MATH—15.6%
LiveBench Math—13.6%
LMArena Math1463—
FrontierMath (Feb 2025 set)20.7%—
FrontierMath Tier 4 (v1)4.2%—

Knowledge Claude Opus 4.5 leads

Claude Opus 4.5: 56.5 (#44), OLMo 2 Furious 13B: 18.3 (#283)

Knowledge benchmarks
BenchmarkClaude Opus 4.5OLMo 2 Furious 13B
GPQA Diamond86%—
Humanity's Last Exam25.2%—
SimpleQA Verified45.7%—
MMLU-Pro—31%
Vectara Hallucination Rate10.9%—
GPQA (HELM)—31.6%
LMArena Expert1487—

Multimodal Not comparable

Claude Opus 4.5: 31.4 (#107), OLMo 2 Furious 13B: —

Multimodal benchmarks
BenchmarkClaude Opus 4.5OLMo 2 Furious 13B
GeoBench75%—
VPCT40%—
Furniture Assembly28.3%—
LMArena Document1462—

Multilingual Not comparable

Claude Opus 4.5: 54.3 (#47), OLMo 2 Furious 13B: —

Multilingual benchmarks
BenchmarkClaude Opus 4.5OLMo 2 Furious 13B
LMArena Non-English1438—
LMArena Chinese1470—
LMArena French1471—
LMArena German1449—
LMArena Japanese1416—
LMArena Korean1424—
LMArena Russian1447—
LMArena Spanish1458—

Instruction Following Claude Opus 4.5 leads

Claude Opus 4.5: 77.5 (#19), OLMo 2 Furious 13B: 60.9 (#248)

Instruction Following benchmarks
BenchmarkClaude Opus 4.5OLMo 2 Furious 13B
LiveBench Instruction Following—60.6%
IFEval—73%
LMArena Instruction Following1478—

Long Context Not comparable

Claude Opus 4.5: 46.5 (#22), OLMo 2 Furious 13B: —

Long Context benchmarks
BenchmarkClaude Opus 4.5OLMo 2 Furious 13B
CL-bench21.1%—
LMArena Longer Query1480—

Writing & Preference Claude Opus 4.5 leads

Claude Opus 4.5: 68.1 (#28), OLMo 2 Furious 13B: 42.9 (#230)

Writing & Preference benchmarks
BenchmarkClaude Opus 4.5OLMo 2 Furious 13B
LMArena Text1451—
LMArena Creative Writing1445—
EQ-Bench Creative Writing1687—
WildBench—68.9%
LMArena Multi-Turn1466—
LiveBench Language—11.2%

Frequently asked questions

Is Claude Opus 4.5 better than OLMo 2 Furious 13B?

Claude Opus 4.5 is the stronger model overall, scoring 50.5 to 29.7 on the Noometry Index.

Is Claude Opus 4.5 or OLMo 2 Furious 13B better for coding?

Claude Opus 4.5 scores higher on coding benchmarks: 54.8 versus 28.6 in the Noometry coding category.

How many benchmarks do Claude Opus 4.5 and OLMo 2 Furious 13B share?

0 benchmarks have published results for both models. Claude Opus 4.5 has 69 scored results on Noometry and OLMo 2 Furious 13B has 12.

Related comparisons

Go deeper