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GPT-4o

#2 Arena Rank~200B (est.) parameters

GPT-4o ranks in the top 10 on the Arena leaderboard. Context window: 0.128K tokens.

Context

128K

Input

$2.50

Key Specifications

🏆

Arena Rank

#2

📐

Context Window

128K

📥

Input Price

per 1M tokens

$2.50

📤

Output Price

per 1M tokens

$10.00

🧠

Parameters

~200B (est.)

🔒

Open Source

No

Best For

General purposecodinganalysis

About GPT-4o

GPT-4o is OpenAI's flagship multimodal model, capable of processing text, images, and audio in a unified architecture. The 'o' stands for 'omni,' reflecting its ability to seamlessly handle multiple input types. With a 128K token context window and competitive pricing, it strikes an optimal balance between capability and cost-effectiveness. GPT-4o delivers fast response times while maintaining strong performance across coding, analysis, creative writing, and visual understanding tasks. It powers ChatGPT's default experience and is one of the most widely deployed AI models globally, serving millions of API calls daily. The model supports function calling, JSON mode, and structured outputs, making it highly versatile for production applications. Its combination of speed, quality, and multimodal capabilities makes it the go-to choice for most general-purpose AI applications.

Built byOpenAI↗

Pricing per 1M tokens

Input Tokens

$2.50

Output Tokens

$10.00

Compare GPT-4o

See how GPT-4o stacks up against other leading AI models

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Frequently Asked Questions

What is GPT-4o?▾
GPT-4o is OpenAI's flagship multimodal model, capable of processing text, images, and audio in a unified architecture. The 'o' stands for 'omni,' reflecting its ability to seamlessly handle multiple input types. With a 128K token context window and competitive pricing, it strikes an optimal balance between capability and cost-effectiveness. GPT-4o delivers fast response times while maintaining strong performance across coding, analysis, creative writing, and visual understanding tasks. It powers ChatGPT's default experience and is one of the most widely deployed AI models globally, serving millions of API calls daily. The model supports function calling, JSON mode, and structured outputs, making it highly versatile for production applications. Its combination of speed, quality, and multimodal capabilities makes it the go-to choice for most general-purpose AI applications.
How much does GPT-4o cost?▾
GPT-4o costs $2.50 per 1M input tokens and $10.00 per 1M output tokens. You pay only for what you use, which keeps costs predictable.
What is GPT-4o's context window?▾
GPT-4o has a context window of 128K tokens. This determines how much text the model can process in a single request — bigger windows mean longer documents and richer conversation history.
Is GPT-4o open source?▾
No, GPT-4o is a proprietary model available through OpenAI's API. You get managed infrastructure, regular updates, and support as part of the package.
What is GPT-4o best for?▾
GPT-4o is best suited for: General purpose, coding, analysis. These use cases play to the model's strengths in capability, speed, and cost within OpenAI's lineup.