Model comparison

Claude Opus 4 vs Tulu 3 (Tülu 3) 70B

Claude Opus 4 is the stronger model overall, scoring 42.9 to 32.6 on the Noometry Index.

Last verified . 14 shared benchmarks.

Claude Opus 4 Anthropic

42.9

Rank #93 Confirmed

Summary

  • They share 14 benchmarks with published results for both. Claude Opus 4 scores higher in 8 categories and Tulu 3 (Tülu 3) 70B in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Opus 4 leads 40.2 to 13.3.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 64.4% for Claude Opus 4 and 4.4% for Tulu 3 (Tülu 3) 70B.
  • Tulu 3 (Tülu 3) 70B has downloadable open weights; the other is API-only.

Side by side

Claude Opus 4 and Tulu 3 (Tülu 3) 70B specifications
Claude Opus 4Tulu 3 (Tülu 3) 70B
ProviderAnthropicAllen Institute for AI (Ai2)
Noometry Index42.932.6
Released2025-05-222024-11-21
WeightsProprietaryOpen
Context window200K—
Max output32K—
Input $ / M tokens$15—
Output $ / M tokens$75—
Results tracked5614

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Category by category

Coding Claude Opus 4 leads

Claude Opus 4: 47.8 (#55), Tulu 3 (Tülu 3) 70B: 35.4 (#211)

Coding benchmarks
BenchmarkClaude Opus 4Tulu 3 (Tülu 3) 70B
LMArena Coding14421236
SWE-bench Verified70.7%—
SWE-bench Verified (bash only)67.6%—
Aider Polyglot72%—
GSO6.9%—
WeirdML43.7%—
AlgoTune1.33—

Agentic & Tool Use Not comparable

Claude Opus 4: 34.5 (#39), Tulu 3 (Tülu 3) 70B: —

Agentic & Tool Use benchmarks
BenchmarkClaude Opus 4Tulu 3 (Tülu 3) 70B
Cybench38%—
DeepResearch Bench46.8%—
LMArena Search1127—
METR Time Horizons63.9%—

Reasoning Claude Opus 4 leads

Claude Opus 4: 27.4 (#104), Tulu 3 (Tülu 3) 70B: 22.9 (#172)

Reasoning benchmarks
BenchmarkClaude Opus 4Tulu 3 (Tülu 3) 70B
LMArena Hard Prompts13991220
ARC-AGI-28.6%—
SimpleBench58.8%—
Kagi LLM Benchmark74.3%—
ARC-AGI-135.7%—
CritPt0.3%—
EnigmaEval5.6%—
DTBench81.6%—
LMCA37.4%—
Epoch Capabilities Index142.67—
ForecastBench61.1—

Math Claude Opus 4 leads

Claude Opus 4: 40.2 (#80), Tulu 3 (Tülu 3) 70B: 13.3 (#297)

Math benchmarks
BenchmarkClaude Opus 4Tulu 3 (Tülu 3) 70B
OTIS Mock AIME 2024-202564.4%4.4%
LMArena Math13911242
MATH Level 585%42.7%
Omni-MATH61.6%—
FrontierMath (Feb 2025 set)4.5%—
FrontierMath Tier 4 (v1)4.2%—

Knowledge Claude Opus 4 leads

Claude Opus 4: 43.9 (#82), Tulu 3 (Tülu 3) 70B: 25.1 (#257)

Knowledge benchmarks
BenchmarkClaude Opus 4Tulu 3 (Tülu 3) 70B
GPQA Diamond76.3%46.3%
Humanity's Last Exam10.7%—
MMLU-Pro87.5%—
Confabulations15.9%—
Vectara Hallucination Rate12%—
GPQA (HELM)70.8%—
LMArena Expert1384—

Multimodal Not comparable

Claude Opus 4: 30.9 (#101), Tulu 3 (Tülu 3) 70B: —

Multimodal benchmarks
BenchmarkClaude Opus 4Tulu 3 (Tülu 3) 70B
LMArena Vision1192—
GeoBench49%—
VPCT38%—

Multilingual Claude Opus 4 leads

Claude Opus 4: 49.0 (#133), Tulu 3 (Tülu 3) 70B: 40.1 (#217)

Multilingual benchmarks
BenchmarkClaude Opus 4Tulu 3 (Tülu 3) 70B
LMArena Non-English13621236
LMArena Chinese13861249
LMArena Russian13921246
LMArena French1370—
LMArena German1391—
LMArena Japanese1332—
LMArena Korean1318—
LMArena Spanish1388—

Instruction Following Claude Opus 4 leads

Claude Opus 4: 77.3 (#26), Tulu 3 (Tülu 3) 70B: 65.0 (#222)

Instruction Following benchmarks
BenchmarkClaude Opus 4Tulu 3 (Tülu 3) 70B
LMArena Instruction Following14061233
IFEval91.8%—

Long Context Claude Opus 4 leads

Claude Opus 4: 39.5 (#167), Tulu 3 (Tülu 3) 70B: 37.1 (#217)

Long Context benchmarks
BenchmarkClaude Opus 4Tulu 3 (Tülu 3) 70B
LMArena Longer Query14221224
Fiction.LiveBench61.1%—

Writing & Preference Claude Opus 4 leads

Claude Opus 4: 61.4 (#85), Tulu 3 (Tülu 3) 70B: 45.8 (#218)

Writing & Preference benchmarks
BenchmarkClaude Opus 4Tulu 3 (Tülu 3) 70B
LMArena Text13771256
LMArena Creative Writing13861231
LMArena Multi-Turn13961252
Short-Story Creative Writing83.6%—
EQ-Bench Creative Writing1580—
WildBench85.2%—

Frequently asked questions

Is Claude Opus 4 better than Tulu 3 (Tülu 3) 70B?

Claude Opus 4 is the stronger model overall, scoring 42.9 to 32.6 on the Noometry Index.

Is Claude Opus 4 or Tulu 3 (Tülu 3) 70B better for coding?

Claude Opus 4 scores higher on coding benchmarks: 47.8 versus 35.4 in the Noometry coding category.

How many benchmarks do Claude Opus 4 and Tulu 3 (Tülu 3) 70B share?

14 benchmarks have published results for both models. Claude Opus 4 has 56 scored results on Noometry and Tulu 3 (Tülu 3) 70B has 14.

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