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GPT-5.4
by OpenAI
OpenAI's latest flagship model combining advanced reasoning, computer use, and multimodal capabilities. The most powerful model in the GPT series with configurable reasoning depth.
Technical Specifications
Parameters
Undisclosed
Context Window
272K (up to 1M)
Category
Proprietary
Released
March 2026
Pricing Tier
Paid
Capabilities
Text Code Vision Computer Use Reasoning
Pricing Details
API: $2.50/M input, $15.00/M output tokens. ChatGPT Plus: $20/mo, Pro: $100-200/mo.
Pros
- Unified architecture combining coding, computer use, and knowledge work
- Native Computer Use API for powerful automation
- Configurable reasoning effort with 5 levels
- State-of-the-art benchmark performance
Cons
- High cost especially for Pro variant
- Message caps on ChatGPT Plus for Thinking variant
- Computer Use API has latency issues
- High-effort reasoning can be verbose and costly
Best Use Cases
Agentic AI and autonomous workflows
Complex problem solving in science, finance, law
Enterprise code generation
Interactive learning
Quick Info
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