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Get started freeClaude 4 Opus vs Claude 3 Opus
Compare Claude 4 Opus and Claude 3 Opus. Build AI products powered by either model on Appaca.
Model Comparison
| Feature | Claude 4 Opus | Claude 3 Opus |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Model Type | text | text |
| Context Window | 200,000 tokens | 200,000 tokens |
| Input Cost | $15.00/ 1M tokens | $15.00/ 1M tokens |
| Output Cost | $75.00/ 1M tokens | $75.00/ 1M tokens |
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Create personal apps and internal tools powered by Claude 4 Opus, Claude 3 Opus, and 20+ other AI models. Just describe what you need — your app is ready in minutes.
Strengths & 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 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 Opus
textEmployee Advocacy Program (Social Sharing System)
Create an employee advocacy program that helps your team share USP-focused content and engage with persona conversations about challenges.
Instagram Caption Generator
Generate engaging Instagram captions that boost engagement and grow your following with scroll-stopping hooks and strategic hashtags.
Hotel vs Short-Term Rental: True Cost & Value Comparison
Compare the true total cost and business amenities of a hotel vs an approved short-term rental for longer stays.
Best for Claude 3 Opus
textTwitter/X Thread Generator
Create viral Twitter threads that educate, entertain, and grow your following with compelling hooks and strategic formatting.
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.
User-Generated Content Campaign (Social Proof at Scale)
Create a UGC campaign that encourages your persona to share wins and stories that prove your USP and relate to common challenges.
Build Apps Powered by AI
Use Appaca to create ready-to-use apps for work or everyday life. No coding needed.
Inventory Management
Track stock levels, manage orders, and organize supplies.
Learn moreEmployee Directory
Build a staff directory with org charts and team views.
Learn moreHabit Tracker
Track routines, streaks, and daily progress.
Learn moreBudget Planner
Plan monthly budgets, categories, and financial goals.
Learn moreReady to put Claude 4 Opus or Claude 3 Opus to work?
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