ChatGPT is about to become faster and more conversational as OpenAI upgrades its flagship model GPT-5 to GPT-5.1. OpenAI announced two updates to the GPT-5 series: GPT-5.1 Instant and GPT-5.1 Thinking ...
After several leaks, Google has finally debuted its latest Gemini 3 family of large language models. The flagship model, Gemini 3 Pro, replaces the 2.5 Pro model that was first unveiled in March 2025.