Model comparison

GPT-5.2 vs Llama 3.1-70B

GPT-5.2 is the stronger model overall, scoring 54.1 to 29.4 on the Noometry Index. Llama 3.1-70B costs 12× less per token, which makes it the better buy when GPT-5.2's lead doesn't matter for your workload.

Last verified . 24 shared benchmarks.

GPT-5.2 OpenAI

54.1

Rank #31 Confirmed

Llama 3.1-70B Meta

29.4

Rank #299 Confirmed

Summary

  • They share 24 benchmarks with published results for both. GPT-5.2 scores higher in 9 categories and Llama 3.1-70B in 0 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-5.2 leads 59.8 to 12.7.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 96.1% for GPT-5.2 and 3.6% for Llama 3.1-70B.
  • Llama 3.1-70B is cheaper at $0.40 / $0.40 per million input/output tokens, against $1.75 / $14 for GPT-5.2.
  • GPT-5.2 accepts more context: 400K tokens versus 128K.
  • Llama 3.1-70B has downloadable open weights; the other is API-only.

Side by side

GPT-5.2 and Llama 3.1-70B specifications
GPT-5.2Llama 3.1-70B
ProviderOpenAIMeta
Noometry Index54.129.4
Released2025-12-112024-07-23
WeightsProprietaryOpen
Context window400K128K
Max output128K4K
Input $ / M tokens$1.75$0.40
Output $ / M tokens$14$0.40
Results tracked6735

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Category by category

Coding GPT-5.2 leads

GPT-5.2: 52.2 (#32), Llama 3.1-70B: 29.8 (#292)

Coding benchmarks
BenchmarkGPT-5.2Llama 3.1-70B
WeirdML72.2%9%
LMArena Coding14471260
SWE-bench Verified73.8%—
SWE-bench Verified (bash only)72.8%—
LMArena WebDev1415—
SWE-bench Multilingual66.7%—
GSO27.4%—
BigCodeBench Instruct—46.1%
BigCodeBench Complete—54.8%
ALE-Bench1,294—
AlgoTune2.05—

Agentic & Tool Use GPT-5.2 leads

GPT-5.2: 40.0 (#24), Llama 3.1-70B: 24.9 (#104)

Agentic & Tool Use benchmarks
BenchmarkGPT-5.2Llama 3.1-70B
Terminal-Bench64.9%—
Berkeley Function Calling Leaderboard55.9%—
GDPval49.7%—
Remote Labor Index2.5%—
TheAgentCompany—6.9%
τ²-bench Airline83%—
τ²-bench Banking32.2%—
τ²-bench Retail81.6%—
τ²-bench Telecom89.7%—
DeepResearch Bench41.1%—
BALROG—27.9%
LMArena Search1207—
METR Time Horizons75.3%—
Vending-Bench 23,591—

Reasoning GPT-5.2 leads

GPT-5.2: 50.1 (#33), Llama 3.1-70B: 20.8 (#215)

Reasoning benchmarks
BenchmarkGPT-5.2Llama 3.1-70B
LMArena Hard Prompts14451241
DTBench90.9%60%
LMCA43.9%14.8%
Epoch Capabilities Index153.45125.91
ARC-AGI-252.9%—
SimpleBench45.8%—
Kagi LLM Benchmark73.3%—
NYT Connections (extended)83.6%—
ARC-AGI-186.2%—
Chess Puzzles49%—
EnigmaEval10.4%—
EBR-Bench23%—
Mystery Game Puzzles23%—
ForecastBench60.1—

Math GPT-5.2 leads

GPT-5.2: 59.8 (#32), Llama 3.1-70B: 12.7 (#298)

Knowledge GPT-5.2 leads

GPT-5.2: 59.2 (#29), Llama 3.1-70B: 24.1 (#264)

Knowledge benchmarks
BenchmarkGPT-5.2Llama 3.1-70B
GPQA Diamond91.4%44.2%
LMArena Expert14451209
Humanity's Last Exam27.8%—
SimpleQA Verified37.1%—
MMLU-Pro—65.3%
Vectara Hallucination Rate8.4%—
GPQA (HELM)—42.6%
MMLU—80.1%

Multimodal Not comparable

GPT-5.2: 50.9 (#7), Llama 3.1-70B: —

Multimodal benchmarks
BenchmarkGPT-5.2Llama 3.1-70B
LMArena Vision1268—
VPCT84%—
Furniture Assembly38.3%—
LMArena Document1405—

Multilingual GPT-5.2 leads

GPT-5.2: 53.6 (#63), Llama 3.1-70B: 38.9 (#220)

Multilingual benchmarks
BenchmarkGPT-5.2Llama 3.1-70B
LMArena Non-English14251219
LMArena Chinese14601215
LMArena French14561260
LMArena German14481222
LMArena Japanese14211132
LMArena Korean13901140
LMArena Russian14401234
LMArena Spanish14331253

Instruction Following GPT-5.2 leads

GPT-5.2: 74.9 (#83), Llama 3.1-70B: 65.5 (#218)

Instruction Following benchmarks
BenchmarkGPT-5.2Llama 3.1-70B
LMArena Instruction Following14171231
IFEval—82.1%

Long Context GPT-5.2 leads

GPT-5.2: 44.0 (#74), Llama 3.1-70B: 37.6 (#208)

Long Context benchmarks
BenchmarkGPT-5.2Llama 3.1-70B
LMArena Longer Query14281241
CL-bench18.2%—

Writing & Preference GPT-5.2 leads

GPT-5.2: 67.0 (#30), Llama 3.1-70B: 35.6 (#262)

Writing & Preference benchmarks
BenchmarkGPT-5.2Llama 3.1-70B
LMArena Text14391261
LMArena Creative Writing14021232
EQ-Bench Creative Writing1703784
LMArena Multi-Turn14581256
WildBench—75.8%

Frequently asked questions

Is GPT-5.2 better than Llama 3.1-70B?

GPT-5.2 is the stronger model overall, scoring 54.1 to 29.4 on the Noometry Index. Llama 3.1-70B costs 12× less per token, which makes it the better buy when GPT-5.2's lead doesn't matter for your workload.

Which is cheaper, GPT-5.2 or Llama 3.1-70B?

Llama 3.1-70B is cheaper. It lists at $0.40 per million input tokens and $0.40 per million output tokens; GPT-5.2 lists at $1.75 and $14.

Is GPT-5.2 or Llama 3.1-70B better for coding?

GPT-5.2 scores higher on coding benchmarks: 52.2 versus 29.8 in the Noometry coding category.

Which has the bigger context window?

GPT-5.2 does, with 400K tokens against 128K.

How many benchmarks do GPT-5.2 and Llama 3.1-70B share?

24 benchmarks have published results for both models. GPT-5.2 has 67 scored results on Noometry and Llama 3.1-70B has 35.

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