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.
Grok-1.5
xAI
Grok-1.5 is a language model developed by xAI. It achieves strong performance with an average score of 63.9% across 9 benchmarks. It excels particularly in GSM8k (90.0%), DocVQA (85.6%), MMLU (81.3%). Released in 2024, it represents xAI's latest advancement in AI technology.
Grok-1.5
xAI
2024-03-28
GPT-5 Codex
OpenAI
2025-09-15
1 year newer
Performance comparison across key benchmark categories
GPT-5 Codex
Grok-1.5
GPT-5 Codex
2024-09-30
Provider Availability & Performance
Available providers and their performance metrics
GPT-5 Codex
Grok-1.5
GPT-5 Codex
Grok-1.5