Haiku 4.5
The world’s fastest frontier model for sub-second agentic execution.
About the Model
Claude Haiku 4.5 is Anthropic’s most efficient model to date, designed to provide the intelligence of a 2025 flagship at a fraction of the cost and latency. Released in late 2025, it features enhanced "Computer Use" capabilities, making it the primary choice for powering real-time UI agents, high-frequency moderation, and large-scale data classification.
Model Key Capabilities
Instant Tool Calling:
Optimized for high-speed function execution with a 95% success rate on complex JSON schemas.
Computer Use (Light):
Capable of simple navigation and form-filling within web browsers and desktop environments.
Massive Throughput:
Designed for enterprise workloads requiring millions of requests per hour without performance degradation.
Advanced Content Moderation:
Built-in safety filters that are context-aware, reducing false positives by 40% compared to previous versions.
Applications & Use Cases
Customer Support Chatbots:
Providing near-instant, high-IQ responses for global user bases.
Large-Scale Data Labeling:
Classifying millions of records with high accuracy for research and training.
Sub-Agent Swarms:
Acting as the "eyes and ears" for larger models like Opus to handle repetitive, low-level tasks.
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Model Specifications
General | |
|---|---|
Model Provider | Anthropic |
Main Use Cases |
|
Intelligence | |
Reasoning Effort | Adaptive (Standard/High) |
GPQA Diamond | 73.2% |
Memory | |
Max Context | 200K Tokens |
Speed | |
Latency (TTFT) | 0.20s |
Throughput | 180+ Tokens/Sec |
