SayFlow: AI Chat, Translate

SayFlow brings leading AI models together in one flexible chat app. Use your own API keys for cloud models, or run AI right on your iPhone. No account or subscription required. Chat with models from OpenAI, Anthropic, Google, SpaceXSI, and DeepSeek, or download open-weight models that run entirely on your device, alongside Apple Intelligence when available. Choose a model for each conversation, adjust reasoning and response settings, generate images, and keep your favorite prompts ready in your custom instruction library. SayFlow is built for people who want control over their AI workspace. Your API keys are stored securely in the Keychain, and your conversations stay on your device. When you use a cloud model, your messages are sent only to the provider you choose. Key Features: • Chat with multiple AI providers in one app • Bring your own API keys • Run open-weight models on device, or import your own GGUF models • Use on-device Apple Intelligence when available • Add web search to supported models • Choose a different model for each conversation • Adjust reasoning where supported • Generate images and attach photos and files • Save and reuse custom instructions and skills • Use voice input for quick prompts • Automatically compress long chats to keep context focused • View estimated tokens and response metrics • Pin, search, archive, and export your chats • Translate text with your selected model • Start a secret chat that isn't saved ...and more. SayFlow does not sell API credits or subscriptions. Using third-party AI services may require your own provider account, API key, billing setup, and agreement to each provider's terms. SayFlow is an independent app and is not affiliated with OpenAI, Anthropic, Google, SpaceXSI, DeepSeek, or Apple. Terms of Use: https://saypop.kr/sayflow/terms/?lang=en Privacy Policy: https://saypop.kr/sayflow/privacy/?lang=en