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Get started freeGPT-5 Nano vs Claude 3.5 Sonnet
Compare GPT-5 Nano and Claude 3.5 Sonnet. Build AI products powered by either model on Appaca.
Model Comparison
| Feature | GPT-5 Nano | Claude 3.5 Sonnet |
|---|---|---|
| Provider | OpenAI | Anthropic |
| Model Type | text | text |
| Context Window | 400,000 tokens | 200,000 tokens |
| Input Cost | $0.05/ 1M tokens | $3.00/ 1M tokens |
| Output Cost | $0.40/ 1M tokens | $15.00/ 1M tokens |
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With Appaca you don't have to pick — build apps that are powered by GPT-5 Nano, Claude 3.5 Sonnet, 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 3.5 Sonnet
Anthropic1. Intelligence & Reasoning
- Outperforms previous Claude models and competitor LLMs across major benchmarks.
- Excels in graduate-level reasoning (GPQA), knowledge tasks (MMLU), and coding (HumanEval).
- Handles nuance, humor, and complex instructions with human-like clarity.
2. Speed & Efficiency
- Runs 2x faster than Claude 3 Opus, making it ideal for real-time and high-volume workflows.
- Cost-effective pricing: $3/M input tokens and $15/M output tokens.
- Supports a 200K token context window, enabling rich, long-form reasoning.
3. Coding Capabilities
- Solves significantly more coding and bug-fix tasks (64% vs Opus's 38% in internal evaluations).
- Can autonomously write, edit, and execute code when tool use is enabled.
- Strong at translating and modernizing legacy codebases.
4. Vision Strength
- Best vision model in the Claude family, surpassing Opus on vision benchmarks.
- Excellent at interpreting charts, graphs, and imperfect images.
- Reliable text extraction from low-quality visuals for retail, logistics, finance, etc.
5. Agentic Workflows
- Highly capable for multi-step task orchestration.
- Performs well as the engine for agents requiring reasoning, planning, and tool-calling abilities.
6. Content Quality
- Produces natural, relatable writing with improved tone, style, and context awareness.
- Strong at long-form content creation and editing.
7. Safety & Reliability
- Rated ASL-2, meeting Anthropic's safety standards.
- Undergoes extensive red-teaming and external evaluation (UK AISI & US AISI).
- Not trained on user data without explicit permission.
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
textJust Sold Announcement
Write a just sold announcement for social media or direct mail. Builds agent credibility and generates prospecting interest.
Short Sale Listing Description
Write a clear, accurate short sale listing description. Informs buyers of the process without deterring otherwise interested parties.
Open House Welcome Script
Write a welcoming open house greeting script for agents. Creates a warm first impression and facilitates lead capture.
Best for Claude 3.5 Sonnet
textBrand Sponsorship Proposal
Write a travel sponsorship proposal for a travel creator or blogger. Presents audience data, content deliverables, and partnership options.
Professional Email Signature
Write a clean, professional email signature that reinforces your personal brand and provides easy contact options.
New Team Self-Introduction
Write a warm and memorable self-introduction message for joining a new team. Sets a positive first impression.