GPT-5.4 Pro
by OpenAI
GPT-5.4 Pro is OpenAI's most advanced model, building on GPT-5.4's unified architecture with enhanced reasoning capabilities for complex, high-stakes tasks. It features a 1M+ token context window (922K input, 128K output) with support for text and image inputs. Optimized for step-by-step reasoning, instruction following, and accuracy, GPT-5.4 Pro excels at agentic coding, long-context workflows, and multi-step problem solving.
Specifications
Technical details and pricing.
Frequently Asked Questions
What is GPT-5.4 Pro good for?
Use GPT-5.4 Pro for everyday tasks like writing, summarizing, brainstorming, and getting clear explanations.
How much does GPT-5.4 Pro cost?
Pricing is based on usage. Current rates are $30.00/1M tokens for input and $180.00/1M tokens for output.
Can I try GPT-5.4 Pro for free?
Yes. You can start a chat instantly and test the model before deciding on a plan.
Does GPT-5.4 Pro support images or audio?
GPT-5.4 Pro can understand images.
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Benchmarks and pricing are sourced from Artificial Analysis where available. OpenRouter specs are used as a fallback.