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Get started freeGPT-5 Nano vs Claude 3 Opus
Compare GPT-5 Nano and Claude 3 Opus. Build AI products powered by either model on Appaca.
Model Comparison
| Feature | GPT-5 Nano | Claude 3 Opus |
|---|---|---|
| Provider | OpenAI | Anthropic |
| Model Type | text | text |
| Context Window | 400,000 tokens | 200,000 tokens |
| Input Cost | $0.05/ 1M tokens | $15.00/ 1M tokens |
| Output Cost | $0.40/ 1M tokens | $75.00/ 1M tokens |
Stop choosing. Use both.
With Appaca you don't have to pick — build apps that are powered by GPT-5 Nano, Claude 3 Opus, for your specific use case.
Build your first app freeStrengths & Best Use Cases
GPT-5 Nano
OpenAI1. Extremely fast performance
- Fastest model in the GPT-5 family.
- Great for real-time workflows, rapid responses, and high-throughput systems.
2. Most cost-efficient GPT-5 model
- Lowest input and output token costs.
- Suitable for large-scale or budget-sensitive applications.
3. Ideal for lightweight, well-scoped tasks
- Excels at summarization, classification, text extraction, and simple logic tasks.
- Best used when tasks are narrow and well-defined.
4. Multimodal input
- Accepts text + image as input.
- Outputs text only.
5. Broad tool support
- Supports Web Search, File Search, Image Generation (as a tool), Code Interpreter, and MCP.
- (Does not support Computer Use.)
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 GPT-5 Nano
textSpeaker Business Card Bio
Write a concise bio for a business card, name badge, or speaker card. Communicates your expertise in minimal words.
Develop Debt Payoff Strategy
Guide users to financial freedom with this AI prompt, combining financial analysis and psychological insight for personalized debt elimination strategies.
Project Task Breakdown
Break a large project goal into actionable tasks with time estimates.
Best for Claude 3 Opus
textHotel 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.
Create Discovery Questions (Interrogatories + RFPs + RFAs)
Generate clear, organized discovery questions and requests tailored to a specific legal issue and case theory.
Travel Budget Breakdown
Write a detailed travel budget breakdown for a specific destination and trip type. Helps travelers plan financially before booking.