Claude 3.5 Haiku
Summary
Claude 3.5 Haiku is a proprietary language model from Anthropic, released on 22 Oct 2024. It accepts text and images and generates text, with a 200K-token context window and up to 8K output tokens per response.
Fast Claude model for responsive assistance, classification, and lightweight agents
Last verified 21 Oct 2026. Every figure on this page links to its source.
Specifications
| Developer | Anthropic |
|---|---|
| Release date | 22 Oct 2024 [models.dev] |
| Status | Generally available [models.dev] |
| Weights | Proprietary (API only) [models.dev] |
| Context window | 200K (200,000 tokens) [models.dev] |
| Max output | 8K tokens [models.dev] |
| Knowledge cutoff | Oct 2024 [models.dev] |
| Input | Text and images [models.dev] |
| Output | Text [models.dev] |
| Reasoning mode | No [models.dev] |
| Tool calling | Yes [models.dev] |
Claude 3.5 Haiku API pricing by provider
USD per million tokens. Sorted by input price.
We do not currently track a paid API listing for this model.
Frequently asked questions
What is the context window of Claude 3.5 Haiku?
Claude 3.5 Haiku has a context window of 200,000 tokens (200K) and can generate up to 8,192 tokens in a single response, according to models.dev.
Is Claude 3.5 Haiku open source?
No. Claude 3.5 Haiku is a proprietary model; Anthropic has not released its weights.
When was Claude 3.5 Haiku released?
Anthropic released Claude 3.5 Haiku on 22 Oct 2024, according to models.dev.
Change history
- Added to the directory