OpenResponses
GPT-5.X - Responses API
About
This native client provides advanced control and observability for AI models. It allows users to stream responses in real-time, inspect requests, and utilize various OpenAI models with a fast interface. Features include web search, code interpretation, and image generation.
What's New in OpenResponses
2.5
June 20, 2026
Version 2.5 brings a major under-the-hood overhaul to make the playground experience faster, safer, and more reliable. Performance & Speed: - Greatly improved rendering speeds for the File Manager, Vector Store uploads, and chat history - Scrolling through files and conversations is now significantly smoother and more responsive Reliability Fixes: - Fixed an issue where the chat interface could occasionally lock up if a network error occurred while the AI was generating text - Enhanced the URL detection engine to better recognize, extract, and render web pages directly within conversations Privacy & Security: - Strengthened privacy safeguards to ensure authorization tokens and private keys are aggressively redacted and never leaked during app diagnostics New Models: - Added full support for the new GPT-5.5 family of models, including GPT-5.5, Pro, Mini, and Nano
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FAQ
What AI models does OpenResponses support?
OpenResponses supports a wide range of OpenAI models including GPT-5.4, GPT-5.3, GPT-5.2, GPT-5.1, GPT-5, GPT-5-mini, o3 and o4-mini reasoning models, GPT-4.1 family, GPT-4o, and gpt-image-1. The app requires users to provide their own OpenAI API key.
Does OpenResponses have ads?
No, OpenResponses is ad-free. The app is free to download and use, with no advertisements present.
How is my OpenAI API key stored in OpenResponses?
Your OpenAI API key is securely stored in the iOS Keychain. This ensures that your sensitive API credentials are protected and only accessible by the application.
Can I try OpenResponses before adding my API key?
Yes, OpenResponses includes an 'Explore Demo' feature. This allows new users to try out the interface and its functionalities before they need to add their own OpenAI API key.
What are the system requirements for OpenResponses?
OpenResponses requires iOS 17.0 or later to run. It is compatible with both iPhone and iPad devices.
How does OpenResponses handle user data and privacy?
Conversation history stays on the device unless you choose to send or export it. The app also shows an in-app OpenAI data sharing notice and requires explicit approval before the first live AI request. No account is required.
What kind of tools are integrated into OpenResponses?
OpenResponses integrates several tools including Web Search with live sources, a Code Interpreter for Python analysis, Image Generation, File Search, and Computer Use preview. It also offers direct Notion integration and Apple system tools like Calendar and Contacts when enabled.
How often is OpenResponses updated?
The latest version of OpenResponses is 2.0, which was last updated on April 26, 2026. While specific update frequency isn't detailed, the app has seen regular updates to incorporate new models and features.
