OpenAI API
Service
OpenAI API lets developers build applications with OpenAI models, tools, and platform services.
- Currently Offered
OpenAI API is OpenAI's developer platform for building applications with its models and tools. It provides programmable access to language, reasoning, multimodal, and agentic capabilities for production software systems.
The service competes with other AI model APIs and managed developer platforms, including Anthropic API, Gemini API, and Amazon Bedrock.
OpenAI API lets developers build applications with OpenAI models, tools, and platform services.
Gemini API lets developers build applications with Google's Gemini models and AI capabilities.
Together AI is a serverless and dedicated inference API for open-source AI models with OpenAI-compatible endpoints.
Amazon Bedrock is AWS's managed service for building applications with foundation models.
RunInfra Model APIs provide hosted open-model inference through compatible APIs for developers and agent teams.
Async inference API for long-horizon AI agents, serving leading open-source models through OpenAI- and Anthropic-compatible endpoints.
Managed service for fine-tuning open-source models on dedicated or shared GPU infrastructure for production use.
Cloudflare's managed gateway for routing, securing, caching, and observing AI applications across many model providers.
Replicate is a cloud API to run, fine-tune, and deploy open-source machine learning models with auto-scaling.
Managed supervised fine-tuning service for open-source models with on-demand and dedicated deployment options.
Microsoft's managed cloud platform for accessing, fine-tuning, and deploying foundation models from OpenAI, Anthropic, Meta, and partner providers.
Embedded API and SDK that brings CAM Agent capabilities into CAD/CAM vendor platforms.
Fireworks AI is a managed inference and fine-tuning platform for open-source generative AI models.
One HIPAA-compliant gateway routing all LLM traffic with BAA coverage, audit logging, key management, and cost controls enforced automatically.
Gemini API lets developers build applications with Google's Gemini models and AI capabilities.
Together AI is a serverless and dedicated inference API for open-source AI models with OpenAI-compatible endpoints.
Amazon Bedrock is AWS's managed service for building applications with foundation models.
RunInfra Model APIs provide hosted open-model inference through compatible APIs for developers and agent teams.
Async inference API for long-horizon AI agents, serving leading open-source models through OpenAI- and Anthropic-compatible endpoints.
A unified AI gateway and LLM router exposing one OpenAI-compatible endpoint across 600+ models.
Managed service for fine-tuning open-source models on dedicated or shared GPU infrastructure for production use.
Cloudflare's managed gateway for routing, securing, caching, and observing AI applications across many model providers.
Replicate is a cloud API to run, fine-tune, and deploy open-source machine learning models with auto-scaling.
Managed supervised fine-tuning service for open-source models with on-demand and dedicated deployment options.
Microsoft's managed cloud platform for accessing, fine-tuning, and deploying foundation models from OpenAI, Anthropic, Meta, and partner providers.
Embedded API and SDK that brings CAM Agent capabilities into CAD/CAM vendor platforms.
Quack Backend API is a REST API for guideline management and LLM inference.
Fireworks AI is a managed inference and fine-tuning platform for open-source generative AI models.
Production LLM applications built with LangChain and LangGraph.
One HIPAA-compliant gateway routing all LLM traffic with BAA coverage, audit logging, key management, and cost controls enforced automatically.
ClinePass is a paid subscription that bundles open-weight AI models into Cline's coding agents.
