OpenAI’s most advanced reasoning model
GPT-5.4 represents the cutting edge of OpenAI’s large language model research. Building on the architecture of its predecessors, GPT-5.4 delivers dramatically improved reasoning chains, native real-time web access, advanced code generation across 60+ languages, DALL·E-quality image generation inline, and deep multimodal understanding of documents, images, audio, and video. It powers ChatGPT Pro and is available through the OpenAI API with structured outputs, function calling, and vision capabilities.
Available in ChatGPT Free (limited), Plus ($20/mo), Pro ($200/mo), and API pay-per-token.
GPT-5.4
GPT-5.4 was released to the public, marking its official debut in the AI landscape.
GPT-5.4
Our team verified GPT-5.4's pricing, features, and capabilities to ensure accuracy.
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Best For
Power users, developers, and researchers needing the most capable AI model
Free Trial
Free tier available
Mobile App
iOS and Android via ChatGPT app
API Access
Full REST API with streaming, function calling, and structured outputs
Team Features
ChatGPT Team and Enterprise plans with admin controls
Last Updated
2026-03
Try GPT-5.4 with Free tier available and transform your workflow.
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