Model Comparison
Comprehensive side-by-side analysis of model capabilities and performance
GPT-5 Codex
OpenAI
GPT-5 Codex is a language model developed by OpenAI. It achieves strong performance with an average score of 74.5% across 1 benchmarks. Notable strengths include SWE-Bench Verified (74.5%). Released in 2025, it represents OpenAI's latest advancement in AI technology.
o3-mini
OpenAI
o3-mini is a language model developed by OpenAI. The model shows competitive results across 26 benchmarks. It excels particularly in COLLIE (98.7%), MATH (97.9%), IFEval (93.9%). The model shows particular specialization in code tasks with an average performance of 80.3%. It supports a 300K token context window for handling large documents. The model is available through 2 API providers. Released in 2025, it represents OpenAI's latest advancement in AI technology.
o3-mini
OpenAI
2025-01-30
GPT-5 Codex
OpenAI
2025-09-15
7 months newer
Performance Metrics
Context window and performance specifications
GPT-5 Codex
o3-mini
Average performance across 1 common benchmarks
GPT-5 Codex
o3-mini
Performance comparison across key benchmark categories
GPT-5 Codex
o3-mini
o3-mini
2023-09-30
GPT-5 Codex
2024-09-30
Provider Availability & Performance
Available providers and their performance metrics
GPT-5 Codex
o3-mini
Azure
OpenAI
GPT-5 Codex
o3-mini