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Get started freeClaude 4 Sonnet vs Claude 3 Haiku
Compare Claude 4 Sonnet and Claude 3 Haiku. Build AI products powered by either model on Appaca.
Model Comparison
| Feature | Claude 4 Sonnet | Claude 3 Haiku |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Model Type | text | text |
| Context Window | 1,000,000 tokens | 200,000 tokens |
| Input Cost | $3.00/ 1M tokens | $0.25/ 1M tokens |
| Output Cost | $15.00/ 1M tokens | $1.25/ 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 Haiku
Anthropic1. Speed
- Fastest model in the Claude 3 family
- Near-instant responses for chat, support, and live tools
2. Efficiency
- Most affordable model
- Ideal for massive-scale applications and low-latency use cases
3. Practical Use Cases
- Customer support
- Translations
- Moderation
- Logistics, inventory systems
- Extracting insights from unstructured data
4. Vision Skills
- Handles charts, images, and diagrams quickly
- Useful for scanning large volumes of visual data
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
textWebsite Marketing Chatbot (Personalized Guidance)
Design a website chatbot that qualifies visitors, addresses persona challenges, and routes them to USP-focused content and next steps.
Create Wealth Plan
Create a comprehensive wealth plan with this AI prompt, embodying Victor Sterling's analytical approach to strategic investing and wealth management.
Twitter/X Thread Generator
Create viral Twitter threads that educate, entertain, and grow your following with compelling hooks and strategic formatting.
Best for Claude 3 Haiku
textEntity-Based Content Enhancement (Semantic SEO)
Generate named entities and natural insertion points to improve semantic depth and topical coverage.
Marketing Performance Dashboard (KPIs + Definitions)
Design a marketing performance dashboard that tracks persona engagement, USP resonance, and the impact on solving key challenges.
Lead Scoring System (USP Engagement + Pain Signals)
Design a lead scoring model that prioritizes prospects based on engagement with USP messaging and signals of persona challenge severity.
Build Apps Powered by AI
Use Appaca to create ready-to-use apps for work or everyday life. No coding needed.
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