All Models
GPT-5.4 Pro
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.
Available Providers (10)
| Provider | Model ID | Input Cost | Output Cost | Context | Max Output | Docs |
|---|---|---|---|---|---|---|
 Poe | openai/gpt-5.4-pro | $27.00/MTok | $160.00/MTok | 1.1M | 128K | |
 OpenCode Zen | gpt-5.4-pro | $30.00/MTok | $180.00/MTok | 1.1M | 128K | |
 Azure Cognitive Services | gpt-5.4-pro | $30.00/MTok | $180.00/MTok | 400K | 128K | |
 OpenRouter | openai/gpt-5.4-pro | $30.00/MTok | $180.00/MTok | 1.1M | 128K | |
 Requesty | openai/gpt-5.4-pro | $30.00/MTok | $180.00/MTok | 1.1M | 128K | |
 Vercel AI Gateway | openai/gpt-5.4-pro | $30.00/MTok | $180.00/MTok | 1.1M | 128K | |
 OpenAI | gpt-5.4-pro | $30.00/MTok | $180.00/MTok | 1.1M | 128K | |
 Azure | gpt-5.4-pro | $30.00/MTok | $180.00/MTok | 400K | 128K | |
 Venice AI | openai-gpt-54-pro | $37.50/MTok | $225.00/MTok | 1M | 128K | |
 ZenMux | openai/gpt-5.4-pro | $45.00/MTok | $225.00/MTok | 1.1M | 128K |
Capabilities
Reasoning
Tool Calling
Attachments
Open Weights
Structured Output