# Anthropic Claude Haiku 4.5 — deprecation status

> No — Claude Haiku 4.5 is not deprecated as of July 30, 2026. Anthropic has not deprecated it, but publishes October 15, 2026 (in 77 days) as the earliest date it could be retired.

The fastest Claude with near-frontier quality, and the named replacement for every retired Haiku and Instant model going back to 2024. Active, with an earliest retirement date of October 2026.

## Facts

| Field | Value |
| --- | --- |
| Provider | Anthropic |
| Model id | `claude-haiku-4-5-20251001` |
| Status | Active |
| Aliases | `claude-haiku-4-5` |
| Released | October 1, 2025 |
| Shutdown (earliest) | October 15, 2026 (in 77 days) |
| Last verified | July 30, 2026 |

## FAQ

### When will Anthropic Claude Haiku 4.5 shut down?

Anthropic Claude Haiku 4.5 is scheduled to shut down on October 15, 2026, in 77 days. Anthropic publishes this as the earliest possible retirement date rather than a firm commitment, so it may move later — but not earlier.

### Is Anthropic Claude Haiku 4.5 still available?

Yes. Anthropic Claude Haiku 4.5 is active and fully supported as of July 30, 2026.

### Does this apply to claude-haiku-4-5 too?

Yes. Anthropic Claude Haiku 4.5 is also published as `claude-haiku-4-5`; that id shares the same lifecycle dates as `claude-haiku-4-5-20251001`.

## 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-haiku-4-5-20251001
JSON: https://modeldeprecations.dev/api/v1/models/anthropic/claude-haiku-4-5-20251001.json