Build AI products powered by Claude 4 Sonnet or Qwen3-Plus - no coding required
Start buildingCompare Claude 4 Sonnet and Qwen3-Plus. Build AI products powered by either model on Appaca.
Get started| Feature | Claude 4 Sonnet | Qwen3-Plus |
|---|---|---|
| Provider | Anthropic | Alibaba Cloud |
| Model Type | text | text |
| Context Window | 1,000,000 tokens | 1,000,000 tokens |
| Input Cost | $3.00/ 1M tokens | $0.12/ 1M tokens |
| Output Cost | $15.00/ 1M tokens | $0.29/ 1M tokens |
Build with it | Build with Claude 4 Sonnet | Build with Qwen3-Plus |
Appaca is a platform that enables you to create AI tools and agents. Choose the best model for your product and launch to customers.
Power your AI product with Claude 4 Sonnet, Qwen3-Plus, or any supported model. Switch anytime.
We handle all API integrations. You focus on building your AI product, not managing keys.
Build once, sell to customers. Appaca handles payments, hosting, and scaling.
No credit card required • Build your first AI product in minutes
1. Major upgrade over previous Plus models
2. Supports thinking vs non-thinking modes
3. Improved human preference alignment
4. Excellent for agent-style apps
Use these prompts to power AI products you build on Appaca. Each works great with the models above.
Generate high-converting email subject lines that boost open rates using proven psychological triggers and A/B testing frameworks.
Compare the true total cost and business amenities of a hotel vs an approved short-term rental for longer stays.
Guide users to financial freedom with this AI prompt, combining financial analysis and psychological insight for personalized debt elimination strategies.
Generate high-converting email subject lines that boost open rates using proven psychological triggers and A/B testing frameworks.
Create a newsletter strategy that curates relevant insights for persona challenges while reinforcing your USP and credibility.
Create a complete automated welcome email sequence that nurtures new subscribers and drives conversions.
Describe your AI product idea and Appaca will help you create it - powered by Claude 4 Sonnet, Qwen3-Plus, or any model you choose.
Free to start • No coding required • Launch to customers
Appaca is the complete platform for building AI agents, automations, and customer-facing interfaces. No coding required.

Create and style user interfaces for your AI agents and tools easily according to your brand.

Create, manage, and deploy custom AI models for text, image, and audio - trained on your own knowledge base.

Create a workflow for your AI agents and tools to perform tasks and integrations with third-party services.
Trusted by incredible people at
Appaca provides out-of-the-box solutions your AI apps need.
Sell your AI agents and tools as a complete product with subscription and AI credits billing. Generate revenue for your busienss.


“I've built with various AI tools and have found Appaca to be the most efficient and user-friendly solution.”

Cheyanne Carter
Founder & CEO, Edubuddy
We are here to help!
Create AI tools and agents on Appaca. Choose your model, build your product, launch to customers.