Build AI products powered by Claude 4.5 Haiku or Claude 3.5 Haiku - no coding required
Start buildingClaude 4.5 Haiku vs Claude 3.5 Haiku
Compare Claude 4.5 Haiku and Claude 3.5 Haiku. Build AI products powered by either model on Appaca.
Get startedModel Comparison
| Feature | Claude 4.5 Haiku | Claude 3.5 Haiku |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Model Type | text | text |
| Context Window | 200,000 tokens | 200,000 tokens |
| Input Cost | $1.00/ 1M tokens | $0.80/ 1M tokens |
| Output Cost | $5.00/ 1M tokens | $4.00/ 1M tokens |
Build with it | Build with Claude 4.5 Haiku | Build with Claude 3.5 Haiku |
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Power your AI product with Claude 4.5 Haiku, Claude 3.5 Haiku, or any supported model. Switch anytime.
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Strengths & Best Use Cases
Claude 4.5 Haiku
Anthropic1. Frontier-level coding at small-model speed
- Similar coding performance to Claude Sonnet 4 at one-third the cost.
- Runs 4-5x faster than Sonnet 4.5 for many tasks.
- Ideal for real-time pair programming, prototyping, and rapid iteration.
2. Excellent computer-use abilities
- Surpasses Claude Sonnet 4 in certain computer-control tasks.
- Great for agents requiring low-latency tool use (Chrome automation, coding agents, etc.).
3. Perfect for real-time, low-latency applications
- Chat assistants
- Customer support agents
- Interactive development loops
- Multi-agent orchestration
4. Works seamlessly with Sonnet 4.5 in hybrid agent setups
- Sonnet 4.5 plans complex workflows.
- Haiku 4.5 executes subtasks in parallel for speed and cost-efficiency.
5. High alignment & safest Claude model by metric
- Lower misaligned behavior rates than Haiku 3.5, Sonnet 4.5, and Opus 4.1.
- Limited CBRN risk → released under AI Safety Level 2 (ASL-2).
Claude 3.5 Haiku
Anthropic1. Intelligence & Benchmark Performance
- Matches Claude 3 Opus (previous largest model) on many intelligence tasks.
- Surpasses Claude 3 Opus on multiple evaluations despite being a smaller, faster model.
- Major improvements across every skill category vs previous Haiku.
2. Coding Strength
-
Scores 40.6% on SWE-bench Verified, outperforming:
- Claude 3.5 Sonnet (original version)
- GPT-4o
- Many agent-driven systems
-
Excellent for engineering assistants, agent coding tasks, and bug fixing.
3. Speed & Latency
- Same speed class as Claude 3 Haiku (ultra-fast).
- Ideal for real-time interactions, high request volumes, and UI responsiveness.
4. Tool Use & Instruction Following
- Better at following instructions than previous Haiku.
- Stronger at tool use accuracy, making it reliable for agents and workflows.
5. Best Use Cases
- High-volume, low-latency tasks
- User-facing products
- Sub-agent tasks in larger workflows
- Processing large structured datasets (pricing, inventory, purchase history)
- Rapid content or code generation where speed matters
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 4.5 Haiku
textCold Outreach Email Generator
Generate high-converting cold emails for sales, networking, or partnerships.
Website Marketing Chatbot (Personalized Guidance)
Design a website chatbot that qualifies visitors, addresses persona challenges, and routes them to USP-focused content and next steps.
Marketing Skills Matrix (Hiring + Training Plan)
Create a marketing skills matrix that identifies the competencies needed to communicate your USP and solve evolving persona challenges.
Best for Claude 3.5 Haiku
textCTR Meta Title + Description Writer
Write multiple CTR-focused meta title/description variants aligned to intent and differentiators.
Travel Itinerary Generator
Create personalized day-by-day travel itineraries for any destination, budget, and travel style.
Motivated Seller Outreach Email (Vacant Land)
Generate a polite, professional cold outreach email template to landowners to source off-market deals and prompt a reply.
What AI product will you build?
Describe your AI product idea and Appaca will help you create it - powered by Claude 4.5 Haiku, Claude 3.5 Haiku, 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
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Customer-facing Interface
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Multimodel LLMs
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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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Cheyanne Carter
Founder & CEO, Edubuddy
Frequently Asked Questions
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Build AI products powered by Claude 4.5 Haiku or Claude 3.5 Haiku
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