Comprehensive side-by-side LLM comparison
. Both models have their strengths depending on your specific coding needs.
DeepSeek
DeepSeek-R1-Distill-Qwen-1.5B was created through distillation into an ultra-compact Qwen architecture, designed to enable reasoning capabilities on resource-constrained devices. Built with just 1.5 billion parameters, it brings advanced analytical techniques to edge computing and mobile scenarios.
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.
7 months newer

DeepSeek R1 Distill Qwen 1.5B
DeepSeek
2025-01-20

GPT-5 Codex
OpenAI
2025-09-15
GPT-5 Codex
2024-09-30
Available providers and their performance metrics

DeepSeek R1 Distill Qwen 1.5B

GPT-5 Codex

DeepSeek R1 Distill Qwen 1.5B

GPT-5 Codex