Claude Haiku 4.5
Overview
Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at far lower cost and latency than larger models, and matching Claude Sonnet 4 on reasoning, coding, and computer-use. Built for real-time and high-volume applications, it accepts text and image input with a 200K-token context window. It is also the Haiku tier currently in supply on the market.
Key Features
- Fast and Low-Cost: The most efficient tier for real-time and high volume
- Near-Frontier Intelligence: Matches Sonnet 4 on reasoning and coding
- Vision Input: Supports text and image
Best Use Cases
- Quick Q&A: High-frequency lightweight interaction
- Text Summarization: Large-batch text processing
- High-Volume Real-Time: Low-latency online services
Specifications
| Item | Detail |
|---|---|
| Platform model ID | claude-haiku-4-5 |
| Context window | 200,000 tokens |
| Input modalities | Text, image |
| Reasoning / thinking | Supported (non-adaptive) |
| First released (market) | Vendor has not published an exact date (current Haiku tier) |
| Live pricing | See the model marketplace |
Capabilities and Limitations
| Capability | Description |
|---|---|
| Reasoning | Moderate to strong. Near-frontier lightweight tier |
| Multimodal | Supports text and image input (no audio/video) |
| Context Window | 200,000 tokens |
| Speed | Very fast. Built for real-time and high volume |
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