Fast Multimodal Reasoning
Process text and images 2x faster than previous models while maintaining top-tier performance on vision benchmarks.

file
text
Technical highlights that make openai gpt 4o the leading choice for developers and enterprises.
Process text and images 2x faster than previous models while maintaining top-tier performance on vision benchmarks.

Handle massive documents and generate long-form code or reports without truncation using the expanded output window.

Enjoy a 50% price reduction on input tokens compared to GPT-4 Turbo, with additional savings via prompt caching.

The first flagship model to guarantee 100% schema adherence in Strict Mode, removing the need for error-prone retries.

Follow these simple steps to set up your account, get credits, and start sending API requests to gpt 4 o 2024.08.06 via GPT Proto.

Sign up

Top up

Generate your API key

Make your first API call

Bigger isn't always better. Discover how gpt-4o-mini delivers high-speed, cost-effective performance for daily dev tasks. Read the full breakdown now.

Claude Sonnet 4-5 guide - features, pricing, and access via GPT Proto. Perfect for coding, research, and business task automation.

Learn how the repetitive need to copy keys for different AI providers creates security risks and reduces developer productivity in the generative AI era.

Explore the state of AI in 2025 focusing on GPT-4 reasoning capabilities, systematic cost-cutting through distillation, and the shifting landscape of model safety. Learn how platforms like GPTProto offer up to 60% savings via multi-modal unified interfaces and smart scheduling for enterprises.