Comprehensive side-by-side LLM comparison
Grok-2 mini leads with 57.5% higher average benchmark score. Grok-2 mini supports multimodal inputs. Overall, Grok-2 mini is the stronger choice for coding tasks.
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.
xAI
Grok-2 mini is a multimodal language model developed by xAI. It achieves strong performance with an average score of 74.1% across 8 benchmarks. It excels particularly in DocVQA (93.2%), MMLU (86.2%), HumanEval (85.7%). As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2024, it represents xAI's latest advancement in AI technology.
1 year newer
Grok-2 mini
xAI
2024-08-13
GPT-5 Codex
OpenAI
2025-09-15
Average performance across 9 common benchmarks
GPT-5 Codex
Grok-2 mini
GPT-5 Codex
2024-09-30
Available providers and their performance metrics
GPT-5 Codex
Grok-2 mini
GPT-5 Codex
Grok-2 mini