Noometry

Model comparison

GPT-5.5 Instant vs Llama 2-70B

GPT-5.5 Instant is the stronger model overall, scoring 42.7 to 24.4 on the Noometry Index.

Last verified . 20 shared benchmarks.

GPT-5.5 Instant OpenAI

42.7

Rank #110 Confirmed

Llama 2-70B Meta

24.4

Rank #349 Confirmed

Summary

  • They share 20 benchmarks with published results for both. GPT-5.5 Instant scores higher in 8 categories and Llama 2-70B 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 7.4.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 68.1% for GPT-5.5 Instant and 0% for Llama 2-70B.
  • Llama 2-70B has downloadable open weights; the other is API-only.

Side by side

GPT-5.5 InstantLlama 2-70B
ProviderOpenAIMeta
Noometry Index42.724.4
Released2026-05-052023-07-18
WeightsProprietaryOpen
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked2735

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Category by category

Coding GPT-5.5 Instant leads

GPT-5.5 Instant: 44.3 (#74), Llama 2-70B: 31.4 (#286)

BenchmarkGPT-5.5 InstantLlama 2-70B
LMArena Coding14331079
SciCode48.6%—

Reasoning GPT-5.5 Instant leads

GPT-5.5 Instant: 24.9 (#155), Llama 2-70B: 14.4 (#325)

BenchmarkGPT-5.5 InstantLlama 2-70B
LMArena Hard Prompts14261073
Epoch Capabilities Index142.52113.79
CritPt0%—
Chess Puzzles12%—
DTBench—41.6%
BIG-Bench Hard—64.9%
CommonsenseQA 2.0—50%
ForecastBench—51.4
HellaSwag—85.3%
LAMBADA—78.9%
PIQA—82.8%
WinoGrande—80.2%

Math GPT-5.5 Instant leads

GPT-5.5 Instant: 26.5 (#259), Llama 2-70B: 8.1 (#326)

BenchmarkGPT-5.5 InstantLlama 2-70B
OTIS Mock AIME 2024-202568.1%0%
LMArena Math14201091
FrontierMath (Tiers 1-3)26.3%—
FrontierMath Tier 42.4%—
MATH Level 5—3.3%
GSM8K—69.6%

Knowledge GPT-5.5 Instant leads

GPT-5.5 Instant: 48.9 (#74), Llama 2-70B: 7.4 (#310)

BenchmarkGPT-5.5 InstantLlama 2-70B
GPQA Diamond82.5%26.3%
LMArena Expert14091039
ARC (AI2) Challenge—78.3%
BoolQ—88.6%
MMLU—69.9%
OpenBookQA—60.2%
TriviaQA—87.6%

Multimodal Not comparable

GPT-5.5 Instant: 40.0 (#52), Llama 2-70B: —

BenchmarkGPT-5.5 InstantLlama 2-70B
LMArena Vision1250—
LMArena Document1403—

Multilingual GPT-5.5 Instant leads

GPT-5.5 Instant: 52.8 (#80), Llama 2-70B: 27.7 (#274)

BenchmarkGPT-5.5 InstantLlama 2-70B
LMArena Non-English14171045
LMArena Chinese1456995
LMArena French14281090
LMArena German14111041
LMArena Japanese1408927
LMArena Korean1392964
LMArena Russian14311083
LMArena Spanish14291143

Instruction Following GPT-5.5 Instant leads

GPT-5.5 Instant: 74.2 (#100), Llama 2-70B: 54.9 (#278)

BenchmarkGPT-5.5 InstantLlama 2-70B
LMArena Instruction Following14061071

Long Context GPT-5.5 Instant leads

GPT-5.5 Instant: 43.4 (#96), Llama 2-70B: 32.3 (#270)

BenchmarkGPT-5.5 InstantLlama 2-70B
LMArena Longer Query14221062

Writing & Preference GPT-5.5 Instant leads

GPT-5.5 Instant: 61.8 (#85), Llama 2-70B: 32.3 (#279)

BenchmarkGPT-5.5 InstantLlama 2-70B
LMArena Text14191115
LMArena Creative Writing14191075
LMArena Multi-Turn14331088

Frequently asked questions

Is GPT-5.5 Instant better than Llama 2-70B?

GPT-5.5 Instant is the stronger model overall, scoring 42.7 to 24.4 on the Noometry Index.

Is GPT-5.5 Instant or Llama 2-70B better for coding?

GPT-5.5 Instant scores higher on coding benchmarks: 44.3 versus 31.4 in the Noometry coding category.

How many benchmarks do GPT-5.5 Instant and Llama 2-70B share?

20 benchmarks have published results for both models. GPT-5.5 Instant has 27 scored results on Noometry and Llama 2-70B has 35.

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