Comprehensive side-by-side LLM comparison
GPT-4o leads with 25.9% higher average benchmark score. Gemini 2.5 Pro Preview 06-05 offers 969.7K more tokens in context window than GPT-4o. Gemini 2.5 Pro Preview 06-05 is $1.25 cheaper per million tokens. Overall, GPT-4o is the stronger choice for coding tasks.
Gemini 2.5 Pro Preview 06-05 is a multimodal language model developed by Google. It achieves strong performance with an average score of 68.8% across 13 benchmarks. It excels particularly in Global-MMLU-Lite (89.2%), AIME 2025 (88.0%), FACTS Grounding (87.8%). With a 1.1M token context window, it can handle extensive documents and complex multi-turn conversations. The model is available through 1 API provider. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents Google's latest advancement in AI technology.
OpenAI
GPT-4o is a multimodal language model developed by OpenAI. The model shows competitive results across 39 benchmarks. It excels particularly in AI2D (94.2%), DocVQA (92.8%), ChartQA (85.7%). It supports a 144K 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 2024, it represents OpenAI's latest advancement in AI technology.
10 months newer
GPT-4o
OpenAI
2024-08-06
Gemini 2.5 Pro Preview 06-05
2025-06-05
Cost per million tokens (USD)
Gemini 2.5 Pro Preview 06-05
GPT-4o
Context window and performance specifications
Average performance across 45 common benchmarks
Gemini 2.5 Pro Preview 06-05
GPT-4o
Gemini 2.5 Pro Preview 06-05
2025-01-31
Available providers and their performance metrics
Gemini 2.5 Pro Preview 06-05
GPT-4o
Gemini 2.5 Pro Preview 06-05
GPT-4o
Gemini 2.5 Pro Preview 06-05
GPT-4o
Azure
OpenAI