# Anthropic Claude Haiku 3 — deprecation status

> Yes — Claude Haiku 3 is retired. Anthropic deprecated it on February 19, 2026 and shut it down on April 20, 2026; API requests to it now fail. The recommended replacement is Claude Haiku 4.5.

The cheapest Claude ever shipped, and the reason a lot of high-volume pipelines chose Anthropic at all. It outlived Haiku 3.5 by two months — Anthropic retired the newer model first, which is rarer than it sounds and caught out anyone who had migrated forward.

## Facts

| Field | Value |
| --- | --- |
| Provider | Anthropic |
| Model id | `claude-3-haiku-20240307` |
| Status | Retired |
| Released | March 7, 2024 |
| Deprecated | February 19, 2026 |
| Shutdown | April 20, 2026 (101 days ago) |
| Last verified | July 30, 2026 |

## Replacement

- **Claude Haiku 4.5** (`claude-haiku-4-5-20251001`) · recommended — https://modeldeprecations.dev/anthropic/claude-haiku-4-5-20251001
  - Haiku 4.5 costs more per token than Haiku 3 did. For pipelines chosen on price alone, re-run the unit economics before assuming this is a drop-in.
  - Parameters it accepts: https://modelparams.dev/models/anthropic/claude-haiku-4-5-20251001

```diff
- "model": "claude-3-haiku-20240307"
+ "model": "claude-haiku-4-5-20251001"
```

## FAQ

### When did Anthropic Claude Haiku 3 shut down?

Anthropic Claude Haiku 3 shut down on April 20, 2026. API requests to it fail from that date onward.

### What replaces Anthropic Claude Haiku 3?

Anthropic recommends Claude Haiku 4.5 (`claude-haiku-4-5-20251001`) as the replacement for Anthropic Claude Haiku 3. Haiku 4.5 costs more per token than Haiku 3 did. For pipelines chosen on price alone, re-run the unit economics before assuming this is a drop-in.

### Is Anthropic Claude Haiku 3 still available?

No. Anthropic Claude Haiku 3 is retired and no longer served — it was shut down on April 20, 2026. Calls to it return an error.

### How do I migrate from Anthropic Claude Haiku 3 to claude-haiku-4-5-20251001?

Swap the model id in your API call: replace "claude-3-haiku-20240307" with "claude-haiku-4-5-20251001". Haiku 4.5 costs more per token than Haiku 3 did. For pipelines chosen on price alone, re-run the unit economics before assuming this is a drop-in.

## Sources

- [Anthropic model deprecations](https://platform.claude.com/docs/en/about-claude/model-deprecations) — accessed 2026-07-30

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Canonical page: https://modeldeprecations.dev/anthropic/claude-3-haiku-20240307
JSON: https://modeldeprecations.dev/api/v1/models/anthropic/claude-3-haiku-20240307.json