GPT-4.5 Preview

AI Impact Summary

The latest GPT model that excels at diverse text and image tasks is now available on Azure OpenAI. For more information on model capabilities, and region availability see the models documentation . Stored completions API Stored completions allow you to capture the conversation history from chat completions sessions to use as datasets for evaluations and fine-tuning. o3-mini data zone standard deployments o3-mini is now available for global standard, and data zone standard deployments for registered limited access customers. For more information, see our reasoning model guide . gpt-4o mini audio released The gpt-4o-mini-audio-preview ( 2024-12-17 ) model is the latest audio completions model. For more information, see the audio generation quickstart . The gpt-4o-mini-realtime-preview ( 2024-12-17 ) model is the latest real-time audio model. The real-time models use the same underlying GPT-4o audio model as the completions API, but is optimized for low-latency, real-time audio interactions. For more information, see the real-time audio quickstart . For more information about available models, see the models and versions documentation . January 2025 o3-mini released o3-mini ( 2025-01-31 ) is the latest reasoning model, offering enhanced reasoning abilities. For more information, see our reasoning model guide . GPT-4o audio completions The gpt-4o-audio-preview model is now available for global deployments in East US 2 and Sweden Central regions . Use the gpt-4o-audio-preview model for audio generation. The gpt-4o-audio-preview model introduces the audio modality into the existing /chat/completions API. The audio model expands the potential for AI applications in text and voice-based interactions and audio analysis. Modalities supported in gpt-4o-audio-preview model include: text, audio, and text + audio. For more information, see the audio generation quickstart . Note The Realtime API uses the same underlying GPT-4o audio model as the completions API, but is optimized