Model comparison

GPT-5.1 vs Llama 3-70B

GPT-5.1 is the stronger model overall, scoring 49.0 to 28.8 on the Noometry Index.

Last verified . 22 shared benchmarks.

GPT-5.1 OpenAI

49.0

Rank #53 Confirmed

Llama 3-70B Meta

28.8

Rank #323 Confirmed

Summary

  • They share 22 benchmarks with published results for both. GPT-5.1 scores higher in 9 categories and Llama 3-70B in 0 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-5.1 leads 52.2 to 12.8.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 88.6% for GPT-5.1 and 4.3% for Llama 3-70B.
  • Llama 3-70B has downloadable open weights; the other is API-only.

Side by side

GPT-5.1 and Llama 3-70B specifications
GPT-5.1Llama 3-70B
ProviderOpenAIMeta
Noometry Index49.028.8
Released2025-11-132024-04-18
WeightsProprietaryOpen
Context window400K—
Max output128K—
Input $ / M tokens$1.25—
Output $ / M tokens$10—
Results tracked6331

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Category by category

Coding GPT-5.1 leads

GPT-5.1: 46.4 (#66), Llama 3-70B: 35.8 (#218)

Coding benchmarks
BenchmarkGPT-5.1Llama 3-70B
LMArena Coding14541206
SWE-bench Verified68%—
SWE-bench Verified (bash only)66%—
LMArena WebDev1395—
SciCode43.3%—
GSO13.7%—
WeirdML60.8%—
BigCodeBench Instruct—43.6%
LiveBench Coding72.5%—
BigCodeBench Complete—54.5%
ALE-Bench1,192—
HumanEval+—72%
MBPP+—69%

Agentic & Tool Use GPT-5.1 leads

GPT-5.1: 32.7 (#60), Llama 3-70B: 21.1 (#139)

Agentic & Tool Use benchmarks
BenchmarkGPT-5.1Llama 3-70B
Terminal-Bench47.6%—
Cybench—5%
DeepResearch Bench42.8%—
LMArena Search1199—
Vending-Bench 21,473—

Reasoning GPT-5.1 leads

GPT-5.1: 39.8 (#58), Llama 3-70B: 18.0 (#288)

Reasoning benchmarks
BenchmarkGPT-5.1Llama 3-70B
LMArena Hard Prompts14571195
DTBench90.1%54.2%
Epoch Capabilities Index149.64122.93
ForecastBench58.157.1
ARC-AGI-217.6%—
SimpleBench53.2%—
Kagi LLM Benchmark—35.1%
ARC-AGI-172.8%—
CritPt4.9%—
Chess Puzzles32%—
EnigmaEval11.2%—
LiveBench Reasoning95.8%—
Mystery Game Puzzles19%—
LiveBench Data Analysis72.1%—
LMCA43.9%—
LiveBench78.8%—
WinoGrande—83.5%

Math GPT-5.1 leads

GPT-5.1: 52.2 (#51), Llama 3-70B: 12.8 (#305)

Math benchmarks
BenchmarkGPT-5.1Llama 3-70B
OTIS Mock AIME 2024-202588.6%4.3%
LMArena Math14471218
Omni-MATH46.4%—
LiveBench Math94.5%—
MATH Level 5—22.6%
FrontierMath (Feb 2025 set)31%—
FrontierMath Tier 4 (v1)12.5%—

Knowledge GPT-5.1 leads

GPT-5.1: 50.6 (#71), Llama 3-70B: 20.8 (#277)

Knowledge benchmarks
BenchmarkGPT-5.1Llama 3-70B
GPQA Diamond87.6%40.6%
LMArena Expert14701149
Humanity's Last Exam23.7%—
SimpleQA Verified48%—
MMLU-Pro57.9%—
Vectara Hallucination Rate10.9%—
GPQA (HELM)44.2%—
MMLU—79.3%

Multimodal Not comparable

GPT-5.1: 44.8 (#19), Llama 3-70B: —

Multimodal benchmarks
BenchmarkGPT-5.1Llama 3-70B
LMArena Vision1250—
VPCT58.7%—
LMArena Document1403—

Multilingual GPT-5.1 leads

GPT-5.1: 53.8 (#56), Llama 3-70B: 33.6 (#251)

Multilingual benchmarks
BenchmarkGPT-5.1Llama 3-70B
LMArena Non-English14311142
LMArena Chinese14951114
LMArena French14501232
LMArena German14381169
LMArena Japanese14531017
LMArena Korean14011017
LMArena Russian14351159
LMArena Spanish14331241

Instruction Following GPT-5.1 leads

GPT-5.1: 83.9 (#1), Llama 3-70B: 62.5 (#238)

Instruction Following benchmarks
BenchmarkGPT-5.1Llama 3-70B
LMArena Instruction Following14431194
LiveBench Instruction Following93.3%—
IFEval93.5%—

Long Context GPT-5.1 leads

GPT-5.1: 47.6 (#14), Llama 3-70B: 35.6 (#240)

Long Context benchmarks
BenchmarkGPT-5.1Llama 3-70B
LMArena Longer Query14471174
CL-bench23.7%—
CL-bench Life17.3%—

Writing & Preference GPT-5.1 leads

GPT-5.1: 64.5 (#55), Llama 3-70B: 42.8 (#231)

Writing & Preference benchmarks
BenchmarkGPT-5.1Llama 3-70B
LMArena Text14431221
LMArena Creative Writing14271210
LMArena Multi-Turn14501223
WildBench86.3%—
LiveBench Language80.2%—

Frequently asked questions

Is GPT-5.1 better than Llama 3-70B?

GPT-5.1 is the stronger model overall, scoring 49.0 to 28.8 on the Noometry Index.

Is GPT-5.1 or Llama 3-70B better for coding?

GPT-5.1 scores higher on coding benchmarks: 46.4 versus 35.8 in the Noometry coding category.

How many benchmarks do GPT-5.1 and Llama 3-70B share?

22 benchmarks have published results for both models. GPT-5.1 has 63 scored results on Noometry and Llama 3-70B has 31.

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