GPT-5 launched on August 7, 2025 and was rolled out to all ChatGPT users, including the free tier. OpenAI CEO Sam Altman described GPT-5 as “clearly generally intelligent” and a “PhD-level” expert, a step toward AGI but not AGI yet. GPT-5 features “Think Harder” mode with test-time compute that automatically allocates more processing power for…
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ChatGPT launched in late 2022 and quickly gained hundreds of millions of users, while Google released Gemini (then Bard) in 2023 as its competing AI assistant. ChatGPT runs on the GPT-4 model and is renowned for strong text reasoning and coding, whereas Gemini is natively multimodal (text, images, audio, video) and can use live Google…
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GPT-5 will be a unified model that merges OpenAI’s GPT series with its experimental o-series reasoning models, so ChatGPT-5 will automatically know when to think deeply or to use tools without users selecting a mode. GPT-5 will be OpenAI’s first chain-of-thought AI, enabling step-by-step internal reasoning and integrating the o3 reasoning model to improve math,…
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