Comprehensive side-by-side LLM comparison
. Both models have their strengths depending on your specific coding needs.
OpenAI
GPT-5 Codex was developed as a specialized variant of GPT-5 optimized for programming and software development tasks. Built to understand and generate code across multiple programming languages, it serves developers with enhanced capabilities for code completion, debugging, translation, and explanation of complex codebases.
NVIDIA
Llama 3.1 Nemotron Nano 8B was created as a compact variant optimized by NVIDIA, designed to bring Llama 3.1 capabilities to more efficient deployments. Built with NVIDIA's efficiency optimizations, it serves applications requiring strong performance with reduced resource requirements.
6 months newer

Llama 3.1 Nemotron Nano 8B V1
NVIDIA
2025-03-18

GPT-5 Codex
OpenAI
2025-09-15
Llama 3.1 Nemotron Nano 8B V1
2023-12-31
GPT-5 Codex
2024-09-30
Available providers and their performance metrics

GPT-5 Codex

Llama 3.1 Nemotron Nano 8B V1

GPT-5 Codex

Llama 3.1 Nemotron Nano 8B V1