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.