SpeakGPT

SpeakGPT is a flexible, OpenAI-compatible client for working with AI APIs. It combines a chatbot and voice assistant in one app, making it easy to write, explore ideas, or learn something new hands-free or through chat. The app is designed to work with a wide range of models - including GPT, LLaMA, Mixtral, Gemma, Gemini, vision models, DALL·E, and more - while also letting you connect custom endpoints and experiment with different providers.

Features list:

● Privacy focused

● Chat (chat history is saved locally and can be imported/exported is needed)

● Images generation (DALL-e* or GPT Image 1**)

● Images recognition (use your photos and images with AI)

● Custom AI models (fine-tuned) are supported

● Activation prompt

● System prompt

● Assistant

● SpeakGPT in context menu

● SpeakGPT in Share sheet

● Prompts Library

● A lot of different models (including latest flagship models like gpt-5, o1, o3, o4, gpt-4.1 and gpt-4.5***)

● No annoying captchas or paywalls

● Pay-as-you-go system

● Tips for newbies

● Advanced support

● Different API providers

● Customize AI model parameters****

● Compatible with OpenRouter

This app is open-source. Report bugs, ask a questions and view code here: https://github.com/AndraxDev/speak-gpt

* DALL-E models will shutdown at May 12, 2026. Until that date, you can still access that models from SpeakGPT.

** GPT Image 1 is a flagship model that may not be available for all users. You may need to verify your organization at OpenAI to use this model.

*** Some of these models may require you to have higher OpenAI usage tier.

**** Please refer documentation for AI model you are using to learn which parameters are supported.

DISCLAIMER:

This app uses API access. Some API provides use pay-as-you-go subscription. You will need to provide your API key to use this app. Some models may not be available with this app or/and may require additional identity verification for their providers.

If you chose OpenAI as your API provider:

You can revoke your OpenAI API key anytime at: https://platform.openai.com/api-keys

Learn about pricing here: https://openai.com/pricing

For more providers please refer it's documentation, Terms of Service and Privacy Policy.

Information for users who want to use Google Gemini API with this app:

SpeakGPT does not officially support Google API keys, but you can still use Google Gemini using OpenRouter API. View more info at: https://openrouter.ai/docs#models