Build AI products powered by Claude 4 Sonnet or Claude 3 Opus - no coding required
Start buildingClaude 4 Sonnet vs Claude 3 Opus
Compare Claude 4 Sonnet and Claude 3 Opus. Build AI products powered by either model on Appaca.
Get startedModel Comparison
| Feature | Claude 4 Sonnet | Claude 3 Opus |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Model Type | text | text |
| Context Window | 1,000,000 tokens | 200,000 tokens |
| Input Cost | $3.00/ 1M tokens | $15.00/ 1M tokens |
| Output Cost | $15.00/ 1M tokens | $75.00/ 1M tokens |
Build with it | Build with Claude 4 Sonnet | Build with Claude 3 Opus |
Build AI products powered by any model
Appaca is a platform that enables you to create AI tools and agents. Choose the best model for your product and launch to customers.
Multi-Model Support
Power your AI product with Claude 4 Sonnet, Claude 3 Opus, or any supported model. Switch anytime.
No Infrastructure Needed
We handle all API integrations. You focus on building your AI product, not managing keys.
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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 Opus
Anthropic1. Intelligence & Reasoning
- Highest capability in the Claude 3 family
- Near-human comprehension and fluency
- Excels at MMLU, GPQA, GSM8K, advanced reasoning tasks
2. Complex Problem Solving
- Best for research, strategy, multi-step planning
- Handles ambiguous, open-ended tasks with ease
3. Vision & Multimodal Capabilities
- Strong chart/graph understanding
- Processes documents, technical diagrams, and dense visual data
4. Recall & Long-Context Reasoning
- Near-perfect recall (>99% on NIAH benchmark)
- Handles very large documents and multi-file workflows
5. Enterprise-Grade Accuracy
- Significantly reduced hallucinations
- High correctness rate for factual queries
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
textAvatar Deep Dive: Persona Simulation for Pain Points
Simulate your ideal customer’s day to uncover hidden frustrations and turn them into a prioritized pain-point list for your content calendar.
Land Negotiation Strategy (Max Profit Margin)
Create a step-by-step negotiation plan for land deals using MAO, comps, and risk-based justifications for price reductions.
Lease Addendum Drafter (Permission + Restrictions)
Draft a professional lease addendum clause for special tenant requests (pets, installations, home business) with clear responsibilities and protections.
Best for Claude 3 Opus
textContent Hub (Central Resource Library)
Create a website content hub that centralizes resources related to persona challenges and positions your USP as the solution.
Twitter/X Thread Generator
Create viral Twitter threads that educate, entertain, and grow your following with compelling hooks and strategic formatting.
Case Study (Story + Proof + Objections)
Craft a case study outline that proves your USP by showing how a customer like your persona overcame their challenges.
What AI product will you build?
Describe your AI product idea and Appaca will help you create it - powered by Claude 4 Sonnet, Claude 3 Opus, or any model you choose.
Free to start • No coding required • Launch to customers
See how Appaca works
Turn your AI ideas into AI products with the right AI model
Appaca is the complete platform for building AI agents, automations, and customer-facing interfaces. No coding required.
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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Monetize your AI
Sell your AI agents and tools as a complete product with subscription and AI credits billing. Generate revenue for your busienss.
“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
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Build AI products powered by Claude 4 Sonnet or Claude 3 Opus
Create AI tools and agents on Appaca. Choose your model, build your product, launch to customers.