ZIMA — One App. Every AI Model.

Chat with 14 AI Models in One Place

ZIMA is the best ChatGPT alternative, giving you instant access to the world's top AI models — GPT-5.4, Claude Opus 4.7, Claude Sonnet 4.6, and Gemini 3.1 Pro Preview — all in a single, beautiful chat interface. No juggling multiple apps or subscriptions.

Why Choose ZIMA?

• Access 14 AI models including GPT-5.4, Claude Opus 4.7, and Gemini 3.1 Pro Preview from one app
• Switch AI models mid-conversation without losing your context or chat history
• Analyze images with powerful vision AI — upload photos and ask questions
• Enable AI-powered web search to get up-to-date answers from the internet
• Sync all your conversations seamlessly across iPhone, Android phone, and Web
• Start for free — no credit card required

The Best Alternative to ChatGPT, Claude, and Gemini

Tired of switching between ChatGPT, Claude.ai, and Google Gemini? ZIMA brings them all together. Use the free GPT-4o Mini and GPT-5 mini every day, or upgrade to Pro for premium models like Claude Opus, GPT-5.2, and Gemini 2.5 Pro. One login. One conversation history. Every model.

Simple, Honest Pricing

Free — $0 forever

• GPT-4o Mini & GPT-5 mini
• 40 free messages per day
• Basic chat with markdown rendering
• Cross-device sync

Pro — $20 / month

• 80 free model messages per day (2×)
• 300 premium AI requests per month
• Claude Opus 4.7, Claude Sonnet 4.6
• GPT-5.2, GPT-5.4
• Gemini 2.5 Pro & Gemini Flash
• Priority access to latest models

Available on iOS, Android, and Web

Download ZIMA free from the App Store or Google Play, or use it instantly in your browser at chatzima.com. Your conversations stay in sync everywhere you go.

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