Nov 30, 2022 · We’ve trained a model called ChatGPT which interacts in a conversational way. The dialogue format makes it …

Custom GPT Identifier: If your issue involves a custom GPT, share the GPT's public link or ID. Safety or Policy Flag Information: If …

Oct 31, 2024 · The search model is a fine-tuned version of GPT‑4o, post-trained using novel synthetic data generation techniques, …

Custom GPT retirement and migration FAQ Learn about custom GPT retirement, the migration to plugins, and the planned timeline …

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Models Choosing a model If you're not sure where to start, use GPT-6 Astra, our flagship model for complex reasoning and coding. …

Mar 17, 2026 · Our cheapest GPT-5.4-class model for simple high-volume tasks

Interact with our flagship language models in a conversational interface

Jan 17, 2023 · Questions, bug reports, feedback, feature requests, use cases, and troubleshooting related to ChatGPT are welcome …

Aug 11, 2025 · On the other hand, GPT-5 Chat (gpt-5-chat-latest) is more of a conversational model, the exact one ChatGPT uses …