GPT-5: OpenAI’s best publicly available model (aug 7, 2025 – 2h 57min, oct 10, 2025 y)
Description:
OpenAI releases GPT‑5, its most advanced AI model yet, rolling it out across ChatGPT. GPT‑5 introduces a unified system architecture combining fast-response and deep‑reasoning models with a dynamic router that automatically allocates the appropriate model based on task complexity. Performance improvements span coding, math, writing, visual perception, and health, with significantly reduced hallucinations and more expert‑level output. Sam Altman compares it to “having a PhD‑level expert in your pocket”. The launch includes new variants: GPT‑5 mini, nano, thinking, and pro, with paid tiers unlocking extended reasoning capacities. The release marks a pivotal step in OpenAI’s journey toward artificial general intelligence, even as the model remains distinct from a full AGI.