Model Comparison
Comprehensive side-by-side analysis of model capabilities and performance

GPT-5
OpenAI
GPT-5 is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 70.1% across 35 benchmarks. It excels particularly in SWE-Lancer (IC-Diamond subset) (100.0%), COLLIE (99.0%), Tau2 telecom (96.7%). It supports a 528K token context window for handling large documents. The model is available through 2 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. 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
OpenAI
2025-08-07
1 year newer
Performance Metrics
Context window and performance specifications

GPT-5

Grok-1.5
Average performance across 5 common benchmarks

GPT-5

Grok-1.5
Performance comparison across key benchmark categories

GPT-5

Grok-1.5
GPT-5
2024-09-30
Provider Availability & Performance
Available providers and their performance metrics

GPT-5
OpenAI
ZeroEval

Grok-1.5

GPT-5

Grok-1.5