Build AI products powered by GPT-4 Turbo or Qwen3-Flash - no coding required
Start buildingCompare GPT-4 Turbo and Qwen3-Flash. Build AI products powered by either model on Appaca.
Get started| Feature | GPT-4 Turbo | Qwen3-Flash |
|---|---|---|
| Provider | OpenAI | Alibaba Cloud |
| Model Type | text | text |
| Context Window | 128,000 tokens | 1,000,000 tokens |
| Input Cost | $10.00/ 1M tokens | $0.02/ 1M tokens |
| Output Cost | $30.00/ 1M tokens | $0.22/ 1M tokens |
Build with it | Build with GPT-4 Turbo | Build with Qwen3-Flash |
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 GPT-4 Turbo, Qwen3-Flash, 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. Strong reasoning for its generation
2. Image input support
3. Stable performance
4. Large 128K context window
5. Broad endpoint compatibility
6. Good choice for cost-controlled GPT-4-class workloads
7. Text-only output simplifies downstream use
8. Recommended migration path
1. Enhanced Flash-generation performance
2. Very inexpensive
3. Hybrid thinking mode
4. Large context capacity
Use these prompts to power AI products you build on Appaca. Each works great with the models above.
Design a social media campaign that engages your persona with informative and entertaining content tied to your USP and their challenges.
Write a polite pre-arrival email to request fee waivers or courtesy upgrades like premium Wi‑Fi and early check-in.
Create a strategic credit improvement plan with this AI prompt, tailored to your unique financial constraints and urgent goals.
Identify bugs in your code, understand why they happen, and get a corrected version.
Rewrite your rough drafts into polished, professional emails suitable for any business context.
Map likely outcomes for a dispute and generate a practical preparation plan across facts, evidence, procedure, and settlement.
Describe your AI product idea and Appaca will help you create it - powered by GPT-4 Turbo, Qwen3-Flash, 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.