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.
o1
OpenAI
o1 is a language model developed by OpenAI. It achieves strong performance with an average score of 71.6% across 19 benchmarks. It excels particularly in GSM8k (97.1%), MATH (96.4%), GPQA Physics (92.8%). It supports a 300K token context window for handling large documents. The model is available through 2 API providers. Released in 2024, it represents OpenAI's latest advancement in AI technology.
o1
OpenAI
2024-12-17
GPT-5 Codex
OpenAI
2025-09-15
9 months newer
Performance Metrics
Context window and performance specifications
GPT-5 Codex
o1
Average performance across 1 common benchmarks
GPT-5 Codex
o1
Performance comparison across key benchmark categories
GPT-5 Codex
o1
GPT-5 Codex
2024-09-30
Provider Availability & Performance
Available providers and their performance metrics
GPT-5 Codex
o1
Azure
OpenAI
GPT-5 Codex
o1