# Claude 3.5 Haiku

> 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.

Source page: https://www.aimodel.directory/models/claude-3-5-haiku
Last verified: 21 Oct 2026

## Specifications

- **Developer:** Anthropic
- **Release date:** 22 Oct 2024 (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/helicone/models/claude-3.5-haiku.toml)
- **Status:** Generally available (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/helicone/models/claude-3.5-haiku.toml)
- **Weights:** Proprietary (API only) (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/helicone/models/claude-3.5-haiku.toml)
- **Context window:** 200K (200,000 tokens) (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/helicone/models/claude-3.5-haiku.toml)
- **Max output:** 8K tokens (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/helicone/models/claude-3.5-haiku.toml)
- **Knowledge cutoff:** Oct 2024 (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/helicone/models/claude-3.5-haiku.toml)
- **Input:** Text and images (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/helicone/models/claude-3.5-haiku.toml)
- **Output:** Text (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/helicone/models/claude-3.5-haiku.toml)
- **Reasoning mode:** No (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/helicone/models/claude-3.5-haiku.toml)
- **Tool calling:** Yes (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/helicone/models/claude-3.5-haiku.toml)

## API pricing (USD per 1M tokens)

| Provider | Input | Output | Cached input | Context |
|---|---|---|---|---|

## FAQ

### 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.

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Data licensed CC BY 4.0. Cite as: AI Model Directory, "Claude 3.5 Haiku", https://www.aimodel.directory/models/claude-3-5-haiku