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Get started freeGPT-5 vs Claude 3 Haiku
Compare GPT-5 and Claude 3 Haiku. Build AI products powered by either model on Appaca.
Model Comparison
| Feature | GPT-5 | Claude 3 Haiku |
|---|---|---|
| Provider | OpenAI | Anthropic |
| Model Type | text | text |
| Context Window | 400,000 tokens | 200,000 tokens |
| Input Cost | $1.25/ 1M tokens | $0.25/ 1M tokens |
| Output Cost | $10.00/ 1M tokens | $1.25/ 1M tokens |
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Strengths & Best Use Cases
GPT-5
OpenAI1. High reasoning capability
- Designed for intelligent reasoning across complex domains.
- Supports reasoning tokens and adjustable reasoning effort.
2. Strong coding and agentic performance
- Optimized for multi-step coding tasks, tool-use chains, and agent workflows.
- Handles complex logic, planning, and structured problem solving reliably.
3. Multimodal input
- Accepts text + image as input.
- Produces text outputs with strong instruction following.
4. Extensive tool support
- Works with Web Search, File Search, Image Generation (as a tool), Code Interpreter, MCP, and more.
- Integrated across Chat Completions, Responses API, Realtime, Assistants, Batch, Embeddings, etc.
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 GPT-5
textWeekly Meal Planner
Create a customized weekly meal plan based on your dietary preferences, goals, and cooking time.
Buyer Agency Agreement Explainer
Explain a buyer's agency agreement to a client in plain language. Builds trust and reduces friction around signing.
Vendor Onboarding Email
Onboard a new maintenance vendor or contractor with a professional welcome email. Sets expectations and establishes the relationship.
Best for Claude 3 Haiku
textPost-Purchase Review Request
Ask happy customers to leave a review with a friendly, personalized email. Builds social proof and improves SEO rankings.
Post-Meeting Follow-Up Email
Write a follow-up email after a meeting that confirms next steps.
Negative Hotel Review Response
Professionally respond to a negative hotel review. Demonstrates accountability and service recovery mindset.