OpenAI is currently working on GPT-5, the successor to the GPT-4 large language model (LLM) used in the popular chatbot ChatGPT. The first references to GPT-5 were discovered in code from OpenAI, according to Bleeping Computer.
The company’s apparent plan is to combine the multimodular models in the GPT series with the reasoning models in the o-series, which should mean a real boost in performance compared to what’s in use today.
The version in question is called “gpt-5-reasoning-alpha-2025-07-13,” appearing to confirm that GPT-5 will be a reasoning AI model.
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