Comprehensive side-by-side LLM comparison
Phi-4-multimodal-instruct supports multimodal inputs. 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.
Microsoft
Phi-4 Multimodal was created to handle multiple input modalities including text, images, and potentially other formats. Built to extend Phi-4's efficiency into multimodal applications, it demonstrates that compact models can successfully integrate diverse information types.
7 months newer

Phi-4-multimodal-instruct
Microsoft
2025-02-01

GPT-5 Codex
OpenAI
2025-09-15
Context window and performance specifications
Phi-4-multimodal-instruct
2024-06-01
GPT-5 Codex
2024-09-30
Available providers and their performance metrics

GPT-5 Codex

Phi-4-multimodal-instruct
DeepInfra

GPT-5 Codex

Phi-4-multimodal-instruct

GPT-5 Codex

Phi-4-multimodal-instruct