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.
ChatFast is an absolute must-have for anyone looking to boost their productivity. The AI is incredibly responsive and can handle a wide range of queries, from scheduling tasks to providing quick answers. The user interface is clean and easy to navigate, making it accessible for everyone. I've noticed a significant improvement in my workflow since I started using it. Highly recọmmend for both personal and professional use!
Developer Response
Thank you for your valuable review, we are constantly updating and make the app better for your needs and trends.
Great for Drafting Messages Quickly
Blount Harden
This app is perfect for helping me write emails and social media posts on the fly. It could use a few more features, but it’s definitely saved me time and effort in my daily workflow
Developer Response
Thank you for your feedback, you can always request features or criticise existing ones. We are constantly upgrading our app with our user feedbacks.
Amazed
Teeaxx
Bro this app is amazing thank you so much but why it doesn't save chats like other ai chat apps? That's the only problem
Developer Response
Thank you so much for the kind words and the 5-star review! We're thrilled you're enjoying the app.Regarding chat history ChatFast does save your conversations! You can access your previous chats from the history section. If you're having trouble finding it or your chats aren't appearing as expected, we'd love to help troubleshoot.Could you reach out to us at info@chatfast.eu with more details about what you're experiencing? This will help us understand the issue better and improve the app for everyone.We truly appreciate your feedback and support!
Really good
바데데.8
Nice to see gpt-5 is already integrated
Developer Response
Thank you for your feedback. We have integrated GPT-5 rapidly for our users to access newest AI model on the market 🙏
Gemini 3.0 Flash Improvements
- Fixed connection issues with Gemini AI
- Image analysis now works properly
- Cleaner, formatted responses
Better Image Support
- Improved image understanding across all AI models
- Added support for GPT-5, Claude, and Grok image analysis
Performance
- Optimized context limits for faster responses
- Improved response handling for all providers
Version 2.0.4
The developer, dlabSolutions OÜ, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
User Content
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
