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 70B was developed by NVIDIA through customization of Meta's Llama 3.1 70B, designed to enhance performance for specific use cases and deployments. Built with NVIDIA's optimizations and fine-tuning expertise, it demonstrates how foundation models can be adapted for specialized applications.
11 months newer

Llama 3.1 Nemotron 70B Instruct
NVIDIA
2024-10-01

GPT-5 Codex
OpenAI
2025-09-15
Llama 3.1 Nemotron 70B Instruct
2023-12-01
GPT-5 Codex
2024-09-30
Available providers and their performance metrics

GPT-5 Codex

Llama 3.1 Nemotron 70B Instruct

GPT-5 Codex

Llama 3.1 Nemotron 70B Instruct