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Get started freeClaude 4 Sonnet vs Claude 3 Sonnet
Compare Claude 4 Sonnet and Claude 3 Sonnet. Build AI products powered by either model on Appaca.
Model Comparison
| Feature | Claude 4 Sonnet | Claude 3 Sonnet |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Model Type | text | text |
| Context Window | 1,000,000 tokens | 200,000 tokens |
| Input Cost | $3.00/ 1M tokens | $3.00/ 1M tokens |
| Output Cost | $15.00/ 1M tokens | $15.00/ 1M tokens |
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Strengths & Best Use Cases
Claude 4 Sonnet
Anthropic- Hybrid reasoning: supports both fast (“near-instant”) and extended thinking modes.
- Optimised for responsiveness, cost and high-volume production workloads.
- Strong coding performance relative to prior Sonnet versions (improved over Sonnet 3.7).
- Available even in free tiers (alongside paid plans).
- Better suited for general-purpose use and agents where speed + cost-efficiency matter.
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 Sonnet
textArbitration and Class Action Waiver Explainer
Explain arbitration and class action waiver clauses to a non-lawyer.
Creative Nonfiction Essay
Write a creative nonfiction essay that combines personal narrative with research.
Late Payment Collection Email
Write a professional email to follow up on a late payment.
Best for Claude 3 Sonnet
textP&L Commentary
Write management commentary for a profit and loss statement.
Luxury Product Description
Craft an elevated, aspirational product description for premium or luxury items. Drives desire and justifies premium pricing.
SEO Meta Description
Write click-worthy meta descriptions for web pages within the 160-character limit.