AI Chat Assistant - ChatFast

ChatFast — AI Chat Assistant & GPT-5.2 Chatbot

Chat with 25+ AI models in one app. ChatFast brings GPT-5.2, Gemini 3.0, Claude 4.5, Grok 4.1, and DeepSeek together — the most powerful AI chatbot and writing assistant for iPhone and iPad.

NEW: GPT-5.2 with Enhanced Reasoning Experience OpenAI's most intelligent model yet. GPT-5.2 delivers superior accuracy, deeper reasoning, and 256K context for complex conversations and professional tasks.

AI Chat Models • GPT-5.2, GPT-5.1, GPT-5 Mini — OpenAI's flagship models • GPT-4o, GPT-4 Turbo — Proven multimodal intelligence • Gemini 3.0 Pro, 2.5 Flash — Google's latest AI • Claude 4.5 — Anthropic's extended thinking • Grok 4.1 — 2M context with real-time web search • DeepSeek Reasoner — Advanced logic and math • Qwen 3 235B — Open-source powerhouse

AI Image Generator • DALL-E 3 HD image creation • GPT-Image-1 with reference support • Gemini Flash Image generation • Multiple sizes and styles

Voice Chat Assistant • Natural conversations with 9 AI voices • Real-time speech-to-text • Text-to-speech in multiple languages • Choose from Alloy, Nova, Echo, Coral, and more

AI Writing Assistant • Grammar checker and editor • Email and report drafting • Content creation for social media • Academic writing support

25+ AI Agents • Psychologist for mental wellness • Finance Advisor for investments • Marketing Expert for brand strategy • Code Assistant for developers • Study Helper for students • Travel Planner for trip planning • + 19 more specialized assistants

Document & Web Tools • PDF summarizer and analyzer • Web page reader • Math solver with steps • Research assistant

Creative Studio • Story and character generators • World building tools • Dialogue writer • Genre-specific creators

Smart Features • Image recognition and analysis • Real-time web search • Chat history organization • Multi-model comparison • 100+ prompt templates

Best For • Students: Research, study, and homework help • Professionals: Writing, analysis, and productivity • Developers: Code assistance and debugging • Creators: Content, art, and storytelling • Everyone: Daily AI assistant for any task

Privacy & Security Enterprise-grade encryption. Your conversations stay private and secure.

Premium Subscription • 3-day FREE trial • Unlimited AI model access • Priority processing • Advanced image generation • Premium voice options • Exclusive features

Download ChatFast — the AI chatbot that gives you GPT-5.2, Gemini, Claude, and Grok in one powerful app.

Privacy: https://www.dlab.company/chatfast-privacy-policy/ Terms: https://www.dlab.company/chatfast-terms-and-conditions/

ChatFast is independently developed and not affiliated with OpenAI, Google, Anthropic, xAI, or other AI providers.