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High GPT-4.5 scores 20 on the Artificial Analysis Intelligence Index (well above the median of 10 for similar models), excels in emotional intelligence, factual accuracy, and conversational abilities, but trails reasoning-focused models like o3-mini on math, science, and coding benchmarks. Reasoning

GPT-4.5

Discover GPT-4.5, OpenAI's largest and most advanced chat model, delivering natural, emotionally intelligent conversations with reduced hallucinations and superior creativity. Elevate your writing, brainstorming, and everyday interactions with its nuanced understanding and multilingual prowess.

128k Context
High GPT-4.5 scores 20 on the Artificial Analysis Intelligence Index (well above the median of 10 for similar models), excels in emotional intelligence, factual accuracy, and conversational abilities, but trails reasoning-focused models like o3-mini on math, science, and coding benchmarks. Intelligence
Oct '24 Knowledge

Available for Chat, Vision, and File Uploads.

Performance Benchmarks

MMLU
90.8%
HumanEval
88.0%
GPQA
69.5%

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-4.5?

Natural conversation

Enhanced natural language processing for more intuitive and nuanced interactions

Emotional intelligence

Advanced sentiment analysis to understand emotions, offer advice, or listen empathetically

Content generation

Generates creative text, summaries, and supports writing with stronger aesthetic intuition

Capability Examples

Natural Conversation
I'm feeling really stressed about work today. Can you help?
I hear you—work stress can be overwhelming. Take a deep breath; let's break it down. What's the main issue? I'm here to listen without judgment.
Content Summarization
Summarize this long research paper on climate change (imagine uploading a 50-page PDF).
The paper analyzes global warming trends from 1980-2025, attributing 1.2°C rise mainly to emissions. Key findings: urgent need for net-zero by 2050; adaptation strategies for vulnerable regions. Core recommendation: policy shifts to renewables. (Full details preserved in key data points.)

How to use

1
Go to Chat

Navigate to the "AI Chat" page.

2
Select Model

Ensure GPT-4.5 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-4.5 better than Claude 3.5 or Gemini? Test same prompts simultaneously in the Chat Playground.

Open Chat Playground

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