OpenAI's GPT model lineup has become complex with various models available for different uses as of spring 2025. Models like GPT-4o, o3, GPT-4.5, and o4-mini offer specialized capabilities for tasks ranging from general use and multimodal tasks to complex reasoning and fast query handling. Pricing varies significantly across models, with GPT-4o being a versatile multimodal model and o4-mini offering rapid, low-cost solutions. OpenAI has also introduced a new image generation API, highlighting the platform's expanding capabilities.
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Picking the Right ModelModel OverviewGPT Models ComparedWhat’s Currently Available in ChatGPTA Note on the Model NamesNew: Image Generation APIThe GPT Lineup Today Is Powerful – But Confusing31 Impressions