Category Compare

Side-by-side comparisons of GPT models against every major AI competitor — Gemini, Claude, Grok, DeepSeek, Perplexity, Llama, Mistral, Qwen, Copilot — plus internal comparisons between GPT-4, GPT-4o, GPT-5, o1, o3, and the different ChatGPT plans.

GPT-4 vs GPT-5: Should You Upgrade?

Two comparison cards labeled GPT-4 and GPT-5 with CONTEXT, COST, and REASONING indicators.

GPT-4 vs GPT-5 compared for ChatGPT users and API developers, including availability, context, cost, reasoning, coding, migration risk, and upgrade advice.