Model comparison

GPT-5.5 vs Llama 3-70B

GPT-5.5 is the stronger model overall, scoring 63.4 to 28.8 on the Noometry Index.

Last verified . 23 shared benchmarks.

GPT-5.5 OpenAI

63.4

Rank #9 Confirmed

Llama 3-70B Meta

28.8

Rank #323 Confirmed

Summary

  • They share 23 benchmarks with published results for both. GPT-5.5 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-5.5 leads 81.7 to 12.8.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 100% for GPT-5.5 and 4.3% for Llama 3-70B.
  • Llama 3-70B has downloadable open weights; the other is API-only.

Side by side

GPT-5.5 and Llama 3-70B specifications
GPT-5.5Llama 3-70B
ProviderOpenAIMeta
Noometry Index63.428.8
Released2026-04-232024-04-18
WeightsProprietaryOpen
Context window1.05M—
Max output128K—
Input $ / M tokens$5—
Output $ / M tokens$30—
Results tracked7131

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Category by category

Coding GPT-5.5 leads

GPT-5.5: 58.2 (#17), Llama 3-70B: 35.8 (#218)

Coding benchmarks
BenchmarkGPT-5.5Llama 3-70B
LMArena Coding14941206
SWE-bench Verified80.6%—
DeepSWE67%—
FrontierCode43%—
LMArena WebDev1513—
SciCode56.1%—
GSO40.2%—
WeirdML84.9%—
BigCodeBench Instruct—43.6%
MirrorCode10%—
BigCodeBench Complete—54.5%
ALE-Bench1,943—
HumanEval+—72%
MBPP+—69%

Agentic & Tool Use GPT-5.5 leads

GPT-5.5: 50.7 (#6), Llama 3-70B: 21.1 (#139)

Agentic & Tool Use benchmarks
BenchmarkGPT-5.5Llama 3-70B
Terminal-Bench84.7%—
APEX-Agents55.1%—
OSWorld 2.013%—
Remote Labor Index6.3%—
τ²-bench Banking44.6%—
Cybench—5%
DeepResearch Bench54%—
PostTrainBench27.2%—
ExploitBench47.4%—
GBAEval53.2%—
GDP.pdf26%—
LMArena Search1242—
Vending-Bench 27,524—

Reasoning GPT-5.5 leads

GPT-5.5: 72.8 (#11), Llama 3-70B: 18.0 (#288)

Reasoning benchmarks
BenchmarkGPT-5.5Llama 3-70B
Kagi LLM Benchmark88.8%35.1%
LMArena Hard Prompts14891195
DTBench96%54.2%
Epoch Capabilities Index159.1122.93
ForecastBench60.657.1
ARC-AGI-285%—
SimpleBench69%—
NYT Connections (extended)96.2%—
ARC-AGI-195%—
CritPt27.1%—
Chess Puzzles54%—
EBR-Bench34.3%—
Mystery Game Puzzles56%—
LMCA54.3%—
Surface Evolver Bench88.1%—
Bench to the Future 30.14—
WinoGrande—83.5%

Math GPT-5.5 leads

GPT-5.5: 81.7 (#11), Llama 3-70B: 12.8 (#305)

Knowledge GPT-5.5 leads

GPT-5.5: 64.4 (#17), Llama 3-70B: 20.8 (#277)

Knowledge benchmarks
BenchmarkGPT-5.5Llama 3-70B
GPQA Diamond94%40.6%
LMArena Expert15081149
SimpleQA Verified63%—
Vectara Hallucination Rate9.3%—
MMLU—79.3%

Multimodal Not comparable

GPT-5.5: 46.9 (#12), Llama 3-70B: —

Multimodal benchmarks
BenchmarkGPT-5.5Llama 3-70B
LMArena Vision1297—
Blueprint-Bench 236.2%—
Furniture Assembly44.2%—
LMArena Document1486—

Multilingual GPT-5.5 leads

GPT-5.5: 56.4 (#20), Llama 3-70B: 33.6 (#251)

Multilingual benchmarks
BenchmarkGPT-5.5Llama 3-70B
LMArena Non-English14671142
LMArena Chinese15331114
LMArena French14861232
LMArena German14801169
LMArena Japanese14981017
LMArena Korean14601017
LMArena Russian14731159
LMArena Spanish14681241

Instruction Following GPT-5.5 leads

GPT-5.5: 77.5 (#18), Llama 3-70B: 62.5 (#238)

Instruction Following benchmarks
BenchmarkGPT-5.5Llama 3-70B
LMArena Instruction Following14791194

Long Context GPT-5.5 leads

GPT-5.5: 48.3 (#12), Llama 3-70B: 35.6 (#240)

Long Context benchmarks
BenchmarkGPT-5.5Llama 3-70B
LMArena Longer Query14841174
CL-bench Life22.2%—

Writing & Preference GPT-5.5 leads

GPT-5.5: 72.7 (#13), Llama 3-70B: 42.8 (#231)

Writing & Preference benchmarks
BenchmarkGPT-5.5Llama 3-70B
LMArena Text14721221
LMArena Creative Writing14551210
LMArena Multi-Turn14761223
EQ-Bench Creative Writing1844—
EQ-Bench 41315—

Frequently asked questions

Is GPT-5.5 better than Llama 3-70B?

GPT-5.5 is the stronger model overall, scoring 63.4 to 28.8 on the Noometry Index.

Is GPT-5.5 or Llama 3-70B better for coding?

GPT-5.5 scores higher on coding benchmarks: 58.2 versus 35.8 in the Noometry coding category.

How many benchmarks do GPT-5.5 and Llama 3-70B share?

23 benchmarks have published results for both models. GPT-5.5 has 71 scored results on Noometry and Llama 3-70B has 31.

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