Battle of the AI Titans: GPT-5 vs Grok 4 vs Microsoft Copilot – Who Wins the Next-Gen AI Showdown?
OpenAI launched GPT-5 in August 2025 with a 400,000-token context window, multimodal input, and access for 700 million ChatGPT users. Microsoft integrated GPT-5 across Copilot products, including Windows and Office, with pricing from free to $30 per user monthly. xAI released Grok 4 in July, touting it as the most powerful AI model, but faced criticism after antisemitic responses appeared on X.