Noometry

Model comparison

GPT-5.5 Instant vs Llama 3-70B

GPT-5.5 Instant is the stronger model overall, scoring 42.5 to 28.5 on the Noometry Index.

Last verified . 20 shared benchmarks.

GPT-5.5 Instant OpenAI

42.5

Rank #99 Confirmed

Llama 3-70B Meta

28.5

Rank #317 Confirmed

Summary

  • They share 20 benchmarks with published results for both. GPT-5.5 Instant scores higher in 8 categories and Llama 3-70B in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where GPT-5.5 Instant leads 48.9 to 20.8.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 68.1% for GPT-5.5 Instant 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 InstantLlama 3-70B
ProviderOpenAIMeta
Noometry Index42.528.5
Released2026-05-052024-04-18
WeightsProprietaryOpen
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked2731

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Category by category

Coding GPT-5.5 Instant leads

GPT-5.5 Instant: 43.7 (#73), Llama 3-70B: 35.3 (#215)

BenchmarkGPT-5.5 InstantLlama 3-70B
LMArena Coding14331206
SciCode48.6%—
BigCodeBench Instruct—43.6%
BigCodeBench Complete—54.5%
HumanEval+—72%
MBPP+—69%

Agentic & Tool Use Not comparable

GPT-5.5 Instant: —, Llama 3-70B: 20.9 (#132)

BenchmarkGPT-5.5 InstantLlama 3-70B
Cybench—5%

Reasoning GPT-5.5 Instant leads

GPT-5.5 Instant: 24.2 (#149), Llama 3-70B: 17.4 (#284)

BenchmarkGPT-5.5 InstantLlama 3-70B
LMArena Hard Prompts14261195
Epoch Capabilities Index142.48122.91
Kagi LLM Benchmark—35.1%
CritPt0%—
Chess Puzzles12%—
DTBench—54.2%
ForecastBench—57.1
WinoGrande—83.5%

Math GPT-5.5 Instant leads

GPT-5.5 Instant: 26.1 (#241), Llama 3-70B: 12.0 (#299)

BenchmarkGPT-5.5 InstantLlama 3-70B
OTIS Mock AIME 2024-202568.1%4.3%
LMArena Math14201218
FrontierMath (Tiers 1-3)26.3%—
FrontierMath Tier 42.4%—
MATH Level 5—22.6%

Knowledge GPT-5.5 Instant leads

GPT-5.5 Instant: 48.9 (#68), Llama 3-70B: 20.8 (#272)

BenchmarkGPT-5.5 InstantLlama 3-70B
GPQA Diamond82.5%40.6%
LMArena Expert14091149
MMLU—79.3%

Multimodal Not comparable

GPT-5.5 Instant: 39.3 (#48), Llama 3-70B: —

BenchmarkGPT-5.5 InstantLlama 3-70B
LMArena Vision1250—
LMArena Document1403—

Multilingual GPT-5.5 Instant leads

GPT-5.5 Instant: 53.0 (#76), Llama 3-70B: 33.8 (#246)

BenchmarkGPT-5.5 InstantLlama 3-70B
LMArena Non-English14171142
LMArena Chinese14571114
LMArena French14281231
LMArena German14101169
LMArena Japanese14081017
LMArena Korean13931017
LMArena Russian14301159
LMArena Spanish14301241

Instruction Following GPT-5.5 Instant leads

GPT-5.5 Instant: 74.4 (#94), Llama 3-70B: 62.8 (#233)

BenchmarkGPT-5.5 InstantLlama 3-70B
LMArena Instruction Following14071194

Long Context GPT-5.5 Instant leads

GPT-5.5 Instant: 43.4 (#92), Llama 3-70B: 35.6 (#235)

BenchmarkGPT-5.5 InstantLlama 3-70B
LMArena Longer Query14221174

Writing & Preference GPT-5.5 Instant leads

GPT-5.5 Instant: 62.0 (#81), Llama 3-70B: 43.0 (#225)

BenchmarkGPT-5.5 InstantLlama 3-70B
LMArena Text14191221
LMArena Creative Writing14201210
LMArena Multi-Turn14341223

Frequently asked questions

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

GPT-5.5 Instant is the stronger model overall, scoring 42.5 to 28.5 on the Noometry Index.

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

GPT-5.5 Instant scores higher on coding benchmarks: 43.7 versus 35.3 in the Noometry coding category.

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

20 benchmarks have published results for both models. GPT-5.5 Instant has 27 scored results on Noometry and Llama 3-70B has 31.

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