Noometry

Model comparison

GPT-5 Nano vs Llama 3-70B

GPT-5 Nano is the stronger model overall, scoring 33.4 to 28.5 on the Noometry Index.

Last verified . 22 shared benchmarks.

GPT-5 Nano OpenAI

33.4

Rank #234 Confirmed

Llama 3-70B Meta

28.5

Rank #317 Confirmed

Summary

  • They share 22 benchmarks with published results for both. GPT-5 Nano scores higher in 5 categories and Llama 3-70B in 4 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-5 Nano leads 29.1 to 12.0.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 81.1% for GPT-5 Nano and 4.3% for Llama 3-70B.
  • Llama 3-70B has downloadable open weights; the other is API-only.

Side by side

GPT-5 NanoLlama 3-70B
ProviderOpenAIMeta
Noometry Index33.428.5
Released2025-08-072024-04-18
WeightsProprietaryOpen
Context window400K—
Max output128K—
Input $ / M tokens$0.05—
Output $ / M tokens$0.40—
Results tracked4831

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Category by category

Coding Llama 3-70B leads

GPT-5 Nano: 33.3 (#248), Llama 3-70B: 35.3 (#215)

BenchmarkGPT-5 NanoLlama 3-70B
LMArena Coding13511206
SWE-bench Verified (bash only)34.8%—
WeirdML38.1%—
BigCodeBench Instruct—43.6%
BigCodeBench Complete—54.5%
ALE-Bench718.67—
HumanEval+—72%
MBPP+—69%

Agentic & Tool Use GPT-5 Nano leads

GPT-5 Nano: 25.6 (#99), Llama 3-70B: 20.9 (#132)

BenchmarkGPT-5 NanoLlama 3-70B
Terminal-Bench21.8%—
Berkeley Function Calling Leaderboard51.5%—
Cybench—5%

Reasoning Llama 3-70B leads

GPT-5 Nano: 16.4 (#291), Llama 3-70B: 17.4 (#284)

BenchmarkGPT-5 NanoLlama 3-70B
Kagi LLM Benchmark62.2%35.1%
LMArena Hard Prompts13291195
DTBench62.7%54.2%
Epoch Capabilities Index139.39122.91
ForecastBench59.157.1
ARC-AGI-22.6%—
ARC-AGI-120.7%—
Chess Puzzles27%—
Mystery Game Puzzles9%—
LMCA7.9%—
WinoGrande—83.5%

Math GPT-5 Nano leads

GPT-5 Nano: 29.1 (#221), Llama 3-70B: 12.0 (#299)

BenchmarkGPT-5 NanoLlama 3-70B
OTIS Mock AIME 2024-202581.1%4.3%
LMArena Math13181218
MATH Level 595.2%22.6%
FrontierMath (Tiers 1-3)20%—
FrontierMath Tier 42.4%—
ProofBench12%—
Omni-MATH54.6%—
FrontierMath (Feb 2025 set)8.3%—
FrontierMath Tier 4 (v1)2.1%—

Knowledge GPT-5 Nano leads

GPT-5 Nano: 35.8 (#166), Llama 3-70B: 20.8 (#272)

BenchmarkGPT-5 NanoLlama 3-70B
GPQA Diamond69.4%40.6%
LMArena Expert13211149
SimpleQA Verified11.7%—
MMLU-Pro77.8%—
Vectara Hallucination Rate10.5%—
GPQA (HELM)67.9%—
MMLU—79.3%

Multimodal Not comparable

GPT-5 Nano: 30.7 (#102), Llama 3-70B: —

BenchmarkGPT-5 NanoLlama 3-70B
LMArena Vision1159—
VPCT37.2%—

Multilingual GPT-5 Nano leads

GPT-5 Nano: 45.5 (#167), Llama 3-70B: 33.8 (#246)

BenchmarkGPT-5 NanoLlama 3-70B
LMArena Non-English13131142
LMArena Chinese13551114
LMArena German13291169
LMArena Korean12691017
LMArena Russian12961159
LMArena Spanish13601241
LMArena French—1231
LMArena Japanese—1017

Instruction Following GPT-5 Nano leads

GPT-5 Nano: 75.2 (#72), Llama 3-70B: 62.8 (#233)

BenchmarkGPT-5 NanoLlama 3-70B
LMArena Instruction Following13061194
IFEval93.2%—

Long Context Llama 3-70B leads

GPT-5 Nano: 31.3 (#275), Llama 3-70B: 35.6 (#235)

BenchmarkGPT-5 NanoLlama 3-70B
LMArena Longer Query13131174
Fiction.LiveBench44.4%—

Writing & Preference Llama 3-70B leads

GPT-5 Nano: 39.4 (#244), Llama 3-70B: 43.0 (#225)

BenchmarkGPT-5 NanoLlama 3-70B
LMArena Text13201221
LMArena Creative Writing12501210
LMArena Multi-Turn13111223
EQ-Bench Creative Writing705—
WildBench80.6%—

Frequently asked questions

Is GPT-5 Nano better than Llama 3-70B?

GPT-5 Nano is the stronger model overall, scoring 33.4 to 28.5 on the Noometry Index.

Is GPT-5 Nano or Llama 3-70B better for coding?

Llama 3-70B scores higher on coding benchmarks: 35.3 versus 33.3 in the Noometry coding category.

How many benchmarks do GPT-5 Nano and Llama 3-70B share?

22 benchmarks have published results for both models. GPT-5 Nano has 48 scored results on Noometry and Llama 3-70B has 31.

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