Haiku 4 Exp
Anthropic
★ Free Tier Available🌐 Text & Logic📊 3+ Use Cases
Overview
The fastest model in the Claude 4 family. Haiku 4 Exp provides nearly frontier-level intelligence at sub-second response times. It is perfect for real-time customer support classification and sentiment analysis where every millisecond counts.
How Haiku 4 Exp works:
- 1
Keep instructions concise
- 2
Use for high-frequency labels
📋 Quick Specs
Pricing
API: $0.25/1M input
Context Window
32K tokens
API Access
✅ Yes
Released
November 2025
Supports:
text
🚀 Try This Prompt
Classify this customer support ticket sentiment as Positive, Neutral, or Negative.
💡 Paste this into Haiku 4 Exp to see it in action.
Details
Best For
Fast SupportTranslationSentiment Analysis
Limitations
- ! Small context window
Developer Resources
Listing Info
PublisherAnthropic
CategoryText & Logic
UpdatedJan 2026