Model comparison

GPT-5.2 Codex vs Llama2 70b Steerlm Chat

GPT-5.2 Codex is the stronger model overall, scoring 42.2 to 31.2 on the Noometry Index.

Last verified . 0 shared benchmarks.

GPT-5.2 Codex OpenAI

42.2

Rank #107 Reported

Llama2 70b Steerlm Chat NVIDIA

31.2

Rank #265 Confirmed

Summary

  • The widest gap is in coding, where GPT-5.2 Codex leads 45.4 to 29.3.
  • Llama2 70b Steerlm Chat has downloadable open weights; the other is API-only.

Side by side

GPT-5.2 Codex and Llama2 70b Steerlm Chat specifications
GPT-5.2 CodexLlama2 70b Steerlm Chat
ProviderOpenAINVIDIA
Noometry Index42.231.2
Released2025-12-18—
WeightsProprietaryOpen
Context window400K—
Max output128K—
Input $ / M tokens$1.75—
Output $ / M tokens$14—
Results tracked59

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Category by category

Coding GPT-5.2 Codex leads

GPT-5.2 Codex: 45.4 (#66), Llama2 70b Steerlm Chat: 29.3 (#295)

Coding benchmarks
BenchmarkGPT-5.2 CodexLlama2 70b Steerlm Chat
SWE-bench Verified (bash only)72.8%—
LMArena WebDev1339—
SWE-bench Multilingual66.3%—
LMArena Coding—1025
ALE-Bench1,300—

Agentic & Tool Use Not comparable

GPT-5.2 Codex: 40.7 (#20), Llama2 70b Steerlm Chat: —

Agentic & Tool Use benchmarks
BenchmarkGPT-5.2 CodexLlama2 70b Steerlm Chat
Terminal-Bench66.5%—

Reasoning Not comparable

GPT-5.2 Codex: —, Llama2 70b Steerlm Chat: 19.1 (#245)

Reasoning benchmarks
BenchmarkGPT-5.2 CodexLlama2 70b Steerlm Chat
LMArena Hard Prompts—1047

Math Not comparable

GPT-5.2 Codex: —, Llama2 70b Steerlm Chat: 28.8 (#223)

Math benchmarks
BenchmarkGPT-5.2 CodexLlama2 70b Steerlm Chat
LMArena Math—1072

Multilingual Not comparable

GPT-5.2 Codex: —, Llama2 70b Steerlm Chat: 28.9 (#265)

Multilingual benchmarks
BenchmarkGPT-5.2 CodexLlama2 70b Steerlm Chat
LMArena Non-English—1064

Instruction Following Not comparable

GPT-5.2 Codex: —, Llama2 70b Steerlm Chat: 54.5 (#274)

Instruction Following benchmarks
BenchmarkGPT-5.2 CodexLlama2 70b Steerlm Chat
LMArena Instruction Following—1061

Long Context Not comparable

GPT-5.2 Codex: —, Llama2 70b Steerlm Chat: 30.4 (#283)

Long Context benchmarks
BenchmarkGPT-5.2 CodexLlama2 70b Steerlm Chat
LMArena Longer Query—998

Writing & Preference Not comparable

GPT-5.2 Codex: —, Llama2 70b Steerlm Chat: 31.8 (#278)

Writing & Preference benchmarks
BenchmarkGPT-5.2 CodexLlama2 70b Steerlm Chat
LMArena Text—1098
LMArena Creative Writing—1091
LMArena Multi-Turn—1058

Frequently asked questions

Is GPT-5.2 Codex better than Llama2 70b Steerlm Chat?

GPT-5.2 Codex is the stronger model overall, scoring 42.2 to 31.2 on the Noometry Index.

Is GPT-5.2 Codex or Llama2 70b Steerlm Chat better for coding?

GPT-5.2 Codex scores higher on coding benchmarks: 45.4 versus 29.3 in the Noometry coding category.

How many benchmarks do GPT-5.2 Codex and Llama2 70b Steerlm Chat share?

0 benchmarks have published results for both models. GPT-5.2 Codex has 5 scored results on Noometry and Llama2 70b Steerlm Chat has 9.

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