Agent Builder (OpenAI AgentKit)
Agent Builder is a visual, browser-based workflow editor developed by openai for designing, versioning, and deploying multi-agent applications on top of the company's API platform.
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ChatKit
ChatKit is an embeddable chat-interface SDK from OpenAI that lets developers drop a ChatGPT-style conversational UI into a web or mobile product with a single React component.
GPT API
The GPT API is the public HTTP interface that OpenAI exposes for programmatic access to its hosted language, vision, audio, image, and video models.
GPT-5 Codex
GPT-5-Codex is a coding-specialised variant of OpenAI's GPT-5 model, announced on September 15, 2025 and tuned for agentic software engineering inside the OpenAI Codex product family.
Gym (OpenAI Gym / Gymnasium)
Gym, often written as OpenAI Gym, is an open source Python toolkit for developing and comparing reinforcement learning algorithms, originally released by openai on April 27, 2016.
OpenAI AgentKit
OpenAI AgentKit is a suite of agent-building tools that OpenAI introduced at OpenAI DevDay on 6 October 2025 to take AI agents from prototype to production on OpenAI's hosted models.
OpenAI Agents API
OpenAI Agents API is a developer service for running long-running AI agents with the Codex agent harness managed by OpenAI. OpenAI released it in public beta on September 10, 2026.
OpenAI Agents SDK
The OpenAI Agents SDK is an open-source, lightweight framework developed by OpenAI for building multi-agent systems and agentic workflows, built around four core primitives: agents, handoffs, guardrails, and…
OpenAI Apps SDK
The OpenAI Apps SDK is a developer toolkit, released by OpenAI at OpenAI DevDay on 6 October 2025, that lets third-party software build and run interactive apps directly inside a ChatGPT conversation .
OpenAI Assistants API
The OpenAI Assistants API is a stateful, server-managed application programming interface that OpenAI introduced on November 6, 2023, at its first DevDay developer conference, letting developers build…
OpenAI Batch API
The OpenAI Batch API is an asynchronous service from OpenAI that lets developers submit large groups of API requests in a single JSONL file and receive the results within 24 hours
OpenAI Codex
OpenAI Codex is the brand OpenAI has used for two distinct generations of code-focused artificial intelligence products: a 2021 large language model that turned natural-language prompts into code
OpenAI Codex CLI
OpenAI Codex CLI is an open-source, terminal-based coding agent developed by OpenAI and released on April 16, 2025
OpenAI Codex Cloud
OpenAI Codex Cloud is a hosted, cloud-based software engineering agent developed by OpenAI and launched as a research preview on May 16, 2025.
OpenAI Harmony
OpenAI Harmony (the harmony response format) is the structured conversation and response format used by OpenAI's open-weight gpt-oss language models, released on August 5, 2025.
OpenAI Moderation API
The OpenAI Moderation API is a free classification tool, accessed through a dedicated moderation endpoint of the OpenAI API, that assesses whether text (and, for newer models
OpenAI Realtime API
The OpenAI Realtime API is a speech-to-speech interface from OpenAI that lets developers build low-latency, bidirectional voice AI applications powered by GPT-4o and later by the purpose-built gpt-realtime…
OpenAI Responses API
The OpenAI Responses API is OpenAI's agent-oriented HTTP API, launched on March 11, 2025, that unifies the simplicity of the Chat Completions API with the stateful
OpenAI acquisition of Statsig
The OpenAI acquisition of Statsig was an all-stock deal, valued at roughly $1.1 billion, that OpenAI announced on September 2, 2025.
Triton (OpenAI GPU programming language)
Triton is an open-source, Python-embedded programming language and compiler, originally created by Philippe Tillet and released by OpenAI in July 2021