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 3.3 Nemotron Super 49B was created through NVIDIA's optimization of Llama 3.3, designed to provide a balanced option with 49 billion parameters. Built to serve as a versatile mid-to-large-scale offering, it combines NVIDIA's customization expertise with Meta's foundation architecture.
6 months newer

Llama-3.3 Nemotron Super 49B v1
NVIDIA
2025-03-18

GPT-5 Codex
OpenAI
2025-09-15
Llama-3.3 Nemotron Super 49B v1
2023-12-31
GPT-5 Codex
2024-09-30
Available providers and their performance metrics

GPT-5 Codex

Llama-3.3 Nemotron Super 49B v1

GPT-5 Codex

Llama-3.3 Nemotron Super 49B v1