Claude 4.1 Opus vs Qwen3-Flash
Compare Claude 4.1 Opus and Qwen3-Flash. Find out which model is better for your specific use case and requirements.
Model Comparison
| Feature | Claude 4.1 Opus | Qwen3-Flash |
|---|---|---|
| Provider | Anthropic | Alibaba Cloud |
| Model Type | text | text |
| Context Window | 1,000,000 tokens | 1,000,000 tokens |
| Input Cost | $15.00/ 1M tokens | $0.02/ 1M tokens |
| Output Cost | $75.00/ 1M tokens | $0.22/ 1M tokens |
Strengths & Best Use Cases
Claude 4.1 Opus
Anthropic1. Advanced Coding Performance
-
Achieves 74.5% on SWE-bench Verified, improving the Claude family's state-of-the-art coding abilities.
-
Stronger at:
- Multi-file code refactoring
- Large codebase debugging
- Pinpointing exact corrections without unnecessary edits
-
Outperforms Opus 4 and shows gains comparable to jumps seen in past major releases.
2. Improved Agentic & Research Capabilities
- Better at maintaining detail accuracy in long research tasks.
- Enhanced agentic search and step-by-step problem solving.
- Performs reliably across complex multi-turn reasoning tasks.
3. Validated by Real-World Users
- GitHub: Better multi-file refactoring and code adjustments.
- Rakuten Group: High precision debugging with minimal collateral changes.
- Windsurf: One standard deviation improvement on their junior dev benchmark - similar magnitude to Sonnet 3.7 → Sonnet 4.
4. Hybrid-Reasoning Benchmark Improvements
- Improvements across TAU-bench, GPQA Diamond, MMMLU, MMMU, AIME (with extended thinking).
- Stronger robustness in long-context reasoning tasks.
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.
Try These Prompts
Discover AI prompts that work great with these models. Use them to build powerful AI tools on Appaca.
Best for Claude 4.1 Opus
textCustomer Complaint Response Generator
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Develop Debt Payoff Strategy
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Review Miner: Extract Recurring Pain Points
Analyze competitor reviews/testimonials to uncover recurring customer frustrations and turn them into content topics.
Best for Qwen3-Flash
textCreate Discovery Questions (Interrogatories + RFPs + RFAs)
Generate clear, organized discovery questions and requests tailored to a specific legal issue and case theory.
Customer Feedback Loop (Insights → Messaging)
Design a customer feedback loop to track evolving persona challenges and preferences, informing marketing strategy and USP refinement.
Marketing Attribution Model (Measure What Works)
Design an attribution model to measure how USP-focused campaigns influence persona engagement, conversion, and retention.
Use Appaca to make AI tools powered by Claude 4.1 Opus or Qwen3-Flash
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