Model comparison

Claude Opus 4.1 vs Olmo 7b Instruct

Claude Opus 4.1 is the stronger model overall, scoring 41.0 to 30.3 on the Noometry Index.

Last verified . 10 shared benchmarks.

Claude Opus 4.1 Anthropic

41.0

Rank #142 Confirmed

Summary

  • They share 10 benchmarks with published results for both. Claude Opus 4.1 scores higher in 5 categories and Olmo 7b Instruct in 1 category; 6 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where Claude Opus 4.1 leads 62.4 to 25.8.
  • Olmo 7b Instruct has downloadable open weights; the other is API-only.

Side by side

Claude Opus 4.1 and Olmo 7b Instruct specifications
Claude Opus 4.1Olmo 7b Instruct
ProviderAnthropicAllen Institute for AI (Ai2)
Noometry Index41.030.3
Released2025-08-05—
WeightsProprietaryOpen
Context window200K—
Max output32K—
Input $ / M tokens$15—
Output $ / M tokens$75—
Results tracked4810

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Category by category

Coding Claude Opus 4.1 leads

Claude Opus 4.1: 44.4 (#73), Olmo 7b Instruct: 29.6 (#303)

Coding benchmarks
BenchmarkClaude Opus 4.1Olmo 7b Instruct
LMArena Coding14791016
SWE-bench Verified73.3%—
LMArena WebDev1390—
WeirdML45.9%—
ALE-Bench674.77—
AlgoTune1.34—

Agentic & Tool Use Not comparable

Claude Opus 4.1: 35.0 (#41), Olmo 7b Instruct: —

Agentic & Tool Use benchmarks
BenchmarkClaude Opus 4.1Olmo 7b Instruct
Terminal-Bench38%—
GDPval43.6%—
Cybench42%—
DeepResearch Bench48.3%—
LMArena Search1148—
METR Time Horizons66.8%—

Reasoning Claude Opus 4.1 leads

Claude Opus 4.1: 32.2 (#76), Olmo 7b Instruct: 18.8 (#274)

Reasoning benchmarks
BenchmarkClaude Opus 4.1Olmo 7b Instruct
LMArena Hard Prompts1443993
SimpleBench60%—
Chess Puzzles7%—
EnigmaEval7.2%—
EBR-Bench7.9%—
Mystery Game Puzzles21%—
DTBench80%—
LMCA37.1%—
Epoch Capabilities Index144.12—
ForecastBench62—

Math Olmo 7b Instruct leads

Claude Opus 4.1: 22.3 (#277), Olmo 7b Instruct: 30.2 (#237)

Math benchmarks
BenchmarkClaude Opus 4.1Olmo 7b Instruct
LMArena Math14311018
FrontierMath (Tiers 1-3)12.6%—
FrontierMath Tier 42.4%—
OTIS Mock AIME 2024-202568.9%—
FrontierMath (Feb 2025 set)7.2%—
FrontierMath Tier 4 (v1)4.2%—

Knowledge Not comparable

Claude Opus 4.1: 42.0 (#101), Olmo 7b Instruct: —

Knowledge benchmarks
BenchmarkClaude Opus 4.1Olmo 7b Instruct
GPQA Diamond77.3%—
Humanity's Last Exam11.5%—
Confabulations17.1%—
Vectara Hallucination Rate11.8%—
LMArena Expert1439—

Multimodal Not comparable

Claude Opus 4.1: 26.8 (#119), Olmo 7b Instruct: —

Multimodal benchmarks
BenchmarkClaude Opus 4.1Olmo 7b Instruct
VPCT35%—

Multilingual Claude Opus 4.1 leads

Claude Opus 4.1: 52.0 (#95), Olmo 7b Instruct: 24.0 (#291)

Multilingual benchmarks
BenchmarkClaude Opus 4.1Olmo 7b Instruct
LMArena Non-English1405977
LMArena Chinese14271014
LMArena Russian1422947
LMArena French1431—
LMArena German1413—
LMArena Japanese1378—
LMArena Korean1380—
LMArena Spanish1448—

Instruction Following Claude Opus 4.1 leads

Claude Opus 4.1: 75.6 (#58), Olmo 7b Instruct: 49.0 (#301)

Instruction Following benchmarks
BenchmarkClaude Opus 4.1Olmo 7b Instruct
LMArena Instruction Following1435978

Long Context Not comparable

Claude Opus 4.1: 44.5 (#63), Olmo 7b Instruct: —

Long Context benchmarks
BenchmarkClaude Opus 4.1Olmo 7b Instruct
LMArena Longer Query1455—

Writing & Preference Claude Opus 4.1 leads

Claude Opus 4.1: 62.4 (#74), Olmo 7b Instruct: 25.8 (#303)

Writing & Preference benchmarks
BenchmarkClaude Opus 4.1Olmo 7b Instruct
LMArena Text14191032
LMArena Creative Writing1412990
LMArena Multi-Turn14441007
Short-Story Creative Writing84.7%—

Frequently asked questions

Is Claude Opus 4.1 better than Olmo 7b Instruct?

Claude Opus 4.1 is the stronger model overall, scoring 41.0 to 30.3 on the Noometry Index.

Is Claude Opus 4.1 or Olmo 7b Instruct better for coding?

Claude Opus 4.1 scores higher on coding benchmarks: 44.4 versus 29.6 in the Noometry coding category.

How many benchmarks do Claude Opus 4.1 and Olmo 7b Instruct share?

10 benchmarks have published results for both models. Claude Opus 4.1 has 48 scored results on Noometry and Olmo 7b Instruct has 10.

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