Best Artificial Intelligence (AI) APIs for GPT-4o
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Compare the Top Artificial Intelligence (AI) APIs that integrates with GPT-4o as of October 2025
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This a list of Artificial Intelligence (AI) APIs that integrates with GPT-4o. Use the filters on the left to add additional filters for products that have integrations with GPT-4o. View the products that work with GPT-4o in the table below.
What is Artificial Intelligence (AI) APIs for GPT-4o?
Artificial Intelligence APIs are software that provide access to advanced technology, AI, and machine learning algorithms designed to solve complex problems. They allow developers to create applications with smarter artificial intelligence features such as natural language processing, image recognition, and more. Many companies use AI APIs to automate tasks or gain insights into customer data so they can improve their products or services. AI APIs are constantly evolving, enabling businesses to benefit from cutting-edge technologies while decreasing the time required for development. Compare and read user reviews of the best Artificial Intelligence (AI) APIs for GPT-4o currently available using the table below. This list is updated regularly.
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1
ChatGPT
OpenAI
ChatGPT is an AI-powered conversational assistant developed by OpenAI that helps users with writing, learning, brainstorming, coding, and more. It is free to use with easy access via web and apps on multiple devices. Users can interact through typing or voice to get answers, generate creative content, summarize information, and automate tasks. The platform supports various use cases, from casual questions to complex research and coding help. ChatGPT offers multiple subscription plans, including Free, Plus, and Pro, with increasing access to advanced AI models and features. It is designed to boost productivity and creativity for individuals, students, professionals, and developers alike.Starting Price: Free -
2
OpenAI
OpenAI
OpenAI’s mission is to ensure that artificial general intelligence (AGI)—by which we mean highly autonomous systems that outperform humans at most economically valuable work—benefits all of humanity. We will attempt to directly build safe and beneficial AGI, but will also consider our mission fulfilled if our work aids others to achieve this outcome. Apply our API to any language task — semantic search, summarization, sentiment analysis, content generation, translation, and more — with only a few examples or by specifying your task in English. One simple integration gives you access to our constantly-improving AI technology. Explore how you integrate with the API with these sample completions. -
3
GPT-4
OpenAI
GPT-4 (Generative Pre-trained Transformer 4) is a large-scale unsupervised language model, yet to be released by OpenAI. GPT-4 is the successor to GPT-3 and part of the GPT-n series of natural language processing models, and was trained on a dataset of 45TB of text to produce human-like text generation and understanding capabilities. Unlike most other NLP models, GPT-4 does not require additional training data for specific tasks. Instead, it can generate text or answer questions using only its own internally generated context as input. GPT-4 has been shown to be able to perform a wide variety of tasks without any task specific training data such as translation, summarization, question answering, sentiment analysis and more.Starting Price: $0.0200 per 1000 tokens -
4
You.com
You.com
You.com is an AI-powered search engine designed to provide a more personalized and efficient browsing experience. Unlike traditional search engines, You.com prioritizes user control, allowing individuals to customize their search preferences and filter results based on their needs. It integrates advanced artificial intelligence to deliver precise answers, summaries, and actionable insights, often drawing from trusted sources and real-time data. With an emphasis on privacy, You.com avoids tracking user behavior, making it a preferred choice for those seeking a secure, ad-free, and customizable search environment. Its unique interface also supports productivity by offering app-like integrations for tasks like coding, writing, and exploring creative content.Starting Price: Free -
5
GPT-4o mini
OpenAI
A small model with superior textual intelligence and multimodal reasoning. GPT-4o mini enables a broad range of tasks with its low cost and latency, such as applications that chain or parallelize multiple model calls (e.g., calling multiple APIs), pass a large volume of context to the model (e.g., full code base or conversation history), or interact with customers through fast, real-time text responses (e.g., customer support chatbots). Today, GPT-4o mini supports text and vision in the API, with support for text, image, video and audio inputs and outputs coming in the future. The model has a context window of 128K tokens, supports up to 16K output tokens per request, and has knowledge up to October 2023. Thanks to the improved tokenizer shared with GPT-4o, handling non-English text is now even more cost effective. -
6
ChatGPT Pro
OpenAI
As AI becomes more advanced, it will solve increasingly complex and critical problems. It also takes significantly more compute to power these capabilities. ChatGPT Pro is a $200 monthly plan that enables scaled access to the best of OpenAI’s models and tools. This plan includes unlimited access to our smartest model, OpenAI o1, as well as to o1-mini, GPT-4o, and Advanced Voice. It also includes o1 pro mode, a version of o1 that uses more compute to think harder and provide even better answers to the hardest problems. In the future, we expect to add more powerful, compute-intensive productivity features to this plan. ChatGPT Pro provides access to a version of our most intelligent model that thinks longer for the most reliable responses. In evaluations from external expert testers, o1 pro mode produces more reliably accurate and comprehensive responses, especially in areas like data science, programming, and case law analysis.Starting Price: $200/month -
7
YouPro
You.com
With YouPro, experience the freedom of unlimited access to cutting-edge AI models. You can search, code, write, and create images all in one place. Experience conversational web searches with more accurate and comprehensive results. AI advanced reasoning provides more insightful and reliable research. With access to our powerful AI art generator, you can create unlimited, vibrant images for emails, website copy, printed materials, and more. All copyright-free and royalty-free! Access to all AI models, including GPT-4o, OpenAI o1, and Claude 3.5 Sonnet. Unlimited file uploads, up to 50MB per query. Unlimited queries, including all AI models and Research and Custom Agents.Starting Price: $20/month -
8
CometAPI
CometAPI
CometAPI is a one-stop large-model API aggregation platform that provides convenient and efficient API service integration and management. It is a complete set of tools that connects the entire API lifecycle, helping R&D teams implement best practices for API Design-first development., and helps make AI development easier.Starting Price: $0 -
9
GPT-Image-1
OpenAI
OpenAI's Image Generation API, powered by the gpt-image-1 model, enables developers and businesses to integrate high-quality, professional-grade image generation directly into their tools and platforms. This model offers versatility, allowing it to create images across diverse styles, faithfully follow custom guidelines, leverage world knowledge, and accurately render text, unlocking countless practical applications across multiple domains. Leading enterprises and startups across industries, including creative tools, ecommerce, education, enterprise software, and gaming, are already using image generation in their products and experiences. It gives creators the choice and flexibility to experiment with different aesthetic styles. Users can generate and edit images from simple prompts, adjusting styles, adding or removing objects, expanding backgrounds, and more.Starting Price: $0.19 per image -
10
OpenAI Realtime API
OpenAI
The OpenAI Realtime API is a newly introduced API, announced in 2024, that allows developers to create applications that facilitate real-time, low-latency interactions, such as speech-to-speech conversations. This API is designed for use cases like customer support agents, AI voice assistants, and language learning apps. Unlike previous implementations that required multiple models for speech recognition and text-to-speech conversion, the Realtime API handles these processes seamlessly in one call, enabling applications to handle voice interactions much faster and with more natural flow.
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