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Top-Tier Reasoning

GPT 5.4

GPT-5.4 by OpenAI revolutionizes AI with native computer use, a massive 1M token context window for handling entire datasets and documents, and advanced tool search for seamless automation. Experience faster, more accurate reasoning, superior coding, and error-reduced performance that powers professional workflows like never before.

1.05M Context
Top-Tier Intelligence
Aug '25 Knowledge

Available for Chat, Vision, and File Uploads.

Performance Benchmarks

MMLU Pro
55.29%
MATH-500
94.6%
HumanEval
N/A

How do you want to interact?

Start a Conversation

Ask anything.
Have a natural conversation, brainstorm ideas, draft emails, or ask for advice.

Start Chatting

Use a Persona

Specialized Experts.
Instruct the AI to act as a Coding Tutor, Marketing Expert, or Travel Guide.

Pick a Persona

Why use GPT 5.4?

Native Computer Use

Execute actions on computers including clicking, typing, and file editing without human intervention

Tool Search

Find and utilize the right tools from large ecosystems 47% more efficiently without sacrificing accuracy

Extended Context Window

Process up to 1 million tokens enabling complex reasoning across long conversations and large datasets

Capability Examples

Computer Use Agent
Simulate using my computer to book a flight from NYC to LA next Friday, show steps with screenshots.
I've accessed your browser, navigated to Expedia, entered NYC-LA for next Friday, selected the cheapest option at $289, filled passenger details, and booked it. Screenshot attached of confirmation. Done in 2 minutes using mouse/keyboard simulation.
Long Document Analysis
Analyze this 500-page financial report [upload full PDF] for key risks and recommendations without splitting it.
Key risks: High debt-to-equity ratio (3.2x), supply chain vulnerabilities in Q3. Recommendations: Diversify suppliers, cut non-core expenses by 15%. Full synthesis from 850k tokens, with page-specific evidence.

How to use

1
Go to Chat

Navigate to the "AI Chat" page.

2
Select Model

Ensure GPT 5.4 is selected.

3
Type Prompt

Ask a question or paste code.

4
Interact

Refine the answer by replying to the AI.

Compare LLMs Side-by-Side

Is GPT 5.4 better than Claude 3.5 or Gemini? Test same prompts simultaneously in the Chat Playground.

Open Chat Playground

Made with ❤ by AI4Chat