Build AI products powered by Claude 4.5 Sonnet or Qwen3-Flash - no coding required
Start buildingClaude 4.5 Sonnet vs Qwen3-Flash
Compare Claude 4.5 Sonnet and Qwen3-Flash. Build AI products powered by either model on Appaca.
Get startedModel Comparison
| Feature | Claude 4.5 Sonnet | Qwen3-Flash |
|---|---|---|
| Provider | Anthropic | Alibaba Cloud |
| Model Type | text | text |
| Context Window | 1,000,000 tokens | 1,000,000 tokens |
| Input Cost | $3.00/ 1M tokens | $0.02/ 1M tokens |
| Output Cost | $15.00/ 1M tokens | $0.22/ 1M tokens |
Build with it | Build with Claude 4.5 Sonnet | Build with Qwen3-Flash |
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Power your AI product with Claude 4.5 Sonnet, Qwen3-Flash, or any supported model. Switch anytime.
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Strengths & Best Use Cases
Claude 4.5 Sonnet
Anthropic1. Best-in-class coding performance
- #1 on SWE-bench Verified (77.2% standard, 82.0% high-compute).
- Excels at debugging, architecture, and multi-file code generation.
- Maintains coherence for extremely long tasks (30+ hours).
2. State-of-the-art computer use & agents
- Leads OSWorld at 61.4%.
- Strongest model for agentic workflows, multi-step tool use, and real computer control.
- Powering Claude Code, the new Claude Agent SDK, and Chrome agent actions.
3. Advanced reasoning & math
- Large improvements across reasoning-heavy benchmarks (AIME, MMMLU, τ2-bench, Terminal-Bench).
- Deep multi-step reasoning with extended or interleaved thinking.
4. High alignment & safety
- Most aligned Claude model to date with reduced deception, hallucinations, sycophancy, and harmful compliance.
- Strong protections against prompt injection for agentic tasks (ASL-3 safeguards).
5. Domain-expert performance
- Notable gains in finance, law, medicine, and STEM tasks.
- Trusted by early customers for long-context legal analysis, multi-file engineering, security research, and red-teaming.
Qwen3-Flash
Alibaba Cloud1. Enhanced Flash-generation performance
- Better factual accuracy and reasoning.
2. Very inexpensive
- Perfect for high-volume automation and micro-agents.
3. Hybrid thinking mode
- Not typical for small models.
4. Large context capacity
- Up to 1M tokens.
Prompts to Get Started
Use these prompts to power AI products you build on Appaca. Each works great with the models above.
Best for Claude 4.5 Sonnet
textCode Generator
Generate efficient, documented, and bug-free code snippets in any programming language.
Get Comprehensive Operational Audits
Conduct comprehensive operational audits with this AI prompt, delivering C-suite grade strategies for measurable ROI within 90 days.
SEO + CRO Page Improvement (Two-Column Table)
Get actionable SEO and conversion improvements for a page, returned as a clear two-column action table.
Best for Qwen3-Flash
textWebinar Series Plan (Education + Pipeline)
Design a webinar series that showcases expertise, teaches actionable insights, and positions your USP as a solution to persona challenges.
Content Hub (Central Resource Library)
Create a website content hub that centralizes resources related to persona challenges and positions your USP as the solution.
Product Launch Campaign (Messaging + Timeline)
Plan a product launch campaign that highlights your USP and shows how the new offering solves persona challenges.
What AI product will you build?
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See how Appaca works
Turn your AI ideas into AI products with the right AI model
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Customer-facing Interface
Create and style user interfaces for your AI agents and tools easily according to your brand.
Multimodel LLMs
Create, manage, and deploy custom AI models for text, image, and audio - trained on your own knowledge base.
Agentic workflows and integrations
Create a workflow for your AI agents and tools to perform tasks and integrations with third-party services.
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All you need to launch and sell your AI products with the right AI model
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Monetize your AI
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“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
Frequently Asked Questions
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Build AI products powered by Claude 4.5 Sonnet or Qwen3-Flash
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