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Get started freeClaude 4 Opus vs Claude 3 Sonnet
Compare Claude 4 Opus and Claude 3 Sonnet. Build AI products powered by either model on Appaca.
Model Comparison
| Feature | Claude 4 Opus | Claude 3 Sonnet |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Model Type | text | text |
| Context Window | 200,000 tokens | 200,000 tokens |
| Input Cost | $15.00/ 1M tokens | $3.00/ 1M tokens |
| Output Cost | $75.00/ 1M tokens | $15.00/ 1M tokens |
Stop choosing. Use both.
With Appaca you don't have to pick — build apps that are powered by Claude 4 Opus, Claude 3 Sonnet, for your specific use case.
Build your first app freeStrengths & Best Use Cases
Claude 4 Opus
Anthropic- Highest capability in the family: described as “our most powerful model yet” by Anthropic.
- Exceptional at long-running tasks requiring thousands of steps and sustained focus (e.g., continuous codebase work for hours).
- Excellent performance on benchmarks: e.g., SWE-bench 72.5 % and Terminal-bench 43.2 %.
- Designed for complex agentic workflows, deep reasoning, tool use, and large context windows.
- Placed under a higher safety classification (ASL-3) due to its frontier capability and risk profile.
Claude 3 Sonnet
Anthropic1. Speed + Intelligence Blend
- 2x faster than Claude 2/2.1
- Strong reasoning with lower cost
2. Enterprise-Ready
- Designed for high-volume, large-scale deployments
- Excellent stability for production workloads
3. Versatile Task Performance
- Great for RAG, search, document understanding
- High-quality code generation
- Effective at sales automation and knowledge retrieval
4. Vision Capabilities
- Reads charts, graphs, images reliably
- Extracts text from visuals efficiently
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 Opus
textProduct Launch Press Release
Write a professional press release for a new product launch. Targets media outlets and industry publications.
Financial Statement Analysis
Analyze financial statements to understand company health, trends, and investment potential.
Project Status Update
Write a concise status update for a project to share with stakeholders.
Best for Claude 3 Sonnet
textLinkedIn Summary for Freelancer
Write a LinkedIn About section designed to attract freelance clients. Communicates value proposition and service offering clearly.
Product Review
Write an honest, balanced product review for a blog or publication.
Remote Work Daily Structure
Design a daily structure for productive and sustainable remote work.