Claude 4.5 Haiku vs Claude 3 Haiku
Compare Claude 4.5 Haiku and Claude 3 Haiku. Find out which model is better for your specific use case and requirements.
Model Comparison
| Feature | Claude 4.5 Haiku | Claude 3 Haiku |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Model Type | text | text |
| Context Window | 200,000 tokens | 200,000 tokens |
| Input Cost | $1.00/ 1M tokens | $0.25/ 1M tokens |
| Output Cost | $5.00/ 1M tokens | $1.25/ 1M tokens |
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 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
Try These Prompts
Discover AI prompts that work great with these models. Use them to build powerful AI tools on Appaca.
Best for Claude 4.5 Haiku
textContrarian Blog Series (Challenge Wisdom + Reframe)
Craft a blog series that challenges conventional wisdom and positions your USP as the innovative solution to persona challenges.
Customer Onboarding Program (Activation + Value)
Create a customer onboarding program that reinforces your USP and sets your persona up for success overcoming their challenges.
Social Media Campaign (USP + Challenge Angles)
Design a social media campaign that engages your persona with informative and entertaining content tied to your USP and their challenges.
Best for Claude 3 Haiku
textCold Email Generator
Generate personalized cold emails that get responses using proven frameworks and personalization techniques.
Review Miner: Extract Recurring Pain Points
Analyze competitor reviews/testimonials to uncover recurring customer frustrations and turn them into content topics.
Value-Added Service Inquiry (Pre-Arrival Email)
Write a polite pre-arrival email to request fee waivers or courtesy upgrades like premium Wi‑Fi and early check-in.
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