---
title: Claude Haiku 4.5
url: https://platform.claude.com/docs/id/models/haiku-4-5/overview
description: "Referensi Claude Haiku 4.5: status siklus hidup, ID model di setiap platform, jendela konteks, batas output, harga, dan sumber daya migrasi. Claude Haiku 4.5 adalah model lama; Claude Haiku 5.5 adalah model Haiku saat ini."
---
**Legacy.** Released October 15, 2025.
Although Claude Haiku 4.5 is still available, you should consider migrating to Claude Haiku 5.5. [See Claude Haiku 5.5](https://platform.claude.com/docs/id/models/haiku-5-5/overview) · [Migrate to Claude Haiku 5.5](https://platform.claude.com/docs/id/models/haiku-5-5/migration-guide)
Model ID: `claude-haiku-4-5-20251001`
Context window: 200K tokens · Max output: 64K tokens · Input pricing: $1 / MTok · Output pricing: $5 / MTok
[Announcement](https://www.anthropic.com/news/claude-haiku-4-5)
## Perbandingannya dengan jajaran model saat ini
| Model | Context | Max output | Price / MTok | Thinking | Default effort | Knowledge cutoff |
| :---------------------------------------------------------------------------------- | :------ | :--------- | :----------------- | :------------------- | :------------- | :--------------- |
| [Claude Fable 5.1](https://platform.claude.com/docs/id/models/fable-5-1/overview) | 1M | 128K | $10 / $50 | Adaptive (always on) | `high` | Jun 2026 |
| [Claude Opus 5.5](https://platform.claude.com/docs/id/models/opus-5-5/overview) | 1M | 128K | $4 / $20 | Adaptive (always on) | `medium` | Jun 2026 |
| [Claude Sonnet 5.5](https://platform.claude.com/docs/id/models/sonnet-5-5/overview) | 1M | 128K | $2 / $10 | Adaptive | `high` | Jun 2026 |
| [Claude Haiku 5.5](https://platform.claude.com/docs/id/models/haiku-5-5/overview) | 1M | 128K | From $0.10 / $0.50 | Adaptive | `medium` | Jun 2026 |
| **Claude Haiku 4.5** (this model) | 200K | 64K | $1 / $5 | Extended | — | Feb 2025 |
* **Context:** 1M tokens is roughly 555k words or 2.5M Unicode characters on the current tokenizer (introduced with Claude Opus 4.7); models before it fit about 750k words in 1M tokens. 200k tokens is roughly 150k words.
* **Max output:** Synchronous Messages API limit. On the Message Batches API, Claude Opus 5.5, Claude Opus 5, Claude Sonnet 5.5, Claude Sonnet 5, Claude Haiku 5.5, Claude Opus 4.8, Claude Opus 4.7, Claude Opus 4.6, and Claude Sonnet 4.6 support up to 300k output tokens with the output-300k-2026-03-24 beta header.
* **Price / MTok:** Input / output, base price per million tokens. Batch API requests are 50% off; prompt caching reads cost 10% of the base input price (2.5% on Claude Fable 5.1 and Claude Mythos 5.1, 5% on Claude Opus 5.5 and Claude Sonnet 5.5). See Pricing for the full list.
* **Thinking:** Adaptive thinking lets the model decide how much to think, steered by effort. Extended thinking is the manual budget\_tokens mode on earlier models.
* **Default effort:** The effort parameter’s default on the Claude API. Models without a value don’t support the parameter.
* **Knowledge cutoff:** Reliable knowledge cutoff: the date through which the model’s knowledge is most extensive and reliable.
## Spesifikasi
### Model IDs
| Platform | Model ID |
| :-------------------------------------------------------------------------------------------------------------------- | :----------------------------------------- |
| Claude API | `claude-haiku-4-5-20251001` |
| Claude API alias | `claude-haiku-4-5` |
| [Amazon Bedrock](https://platform.claude.com/docs/id/build-with-claude/claude-in-amazon-bedrock) | `anthropic.claude-haiku-4-5` |
| [Amazon Bedrock (InvokeModel)](https://platform.claude.com/docs/id/build-with-claude/claude-on-amazon-bedrock-legacy) | `anthropic.claude-haiku-4-5-20251001-v1:0` |
| [Google Cloud](https://platform.claude.com/docs/id/build-with-claude/claude-on-vertex-ai) | `claude-haiku-4-5@20251001` |
| [Microsoft Foundry](https://platform.claude.com/docs/id/build-with-claude/claude-in-microsoft-foundry) | `claude-haiku-4-5` |
| [Claude Platform on AWS](https://platform.claude.com/docs/id/build-with-claude/claude-platform-on-aws) | `claude-haiku-4-5` |
### Pricing
| Feature | Value |
| :------------------------------------------------------------------------------------- | :------------------------------- |
| Input | $1 / MTok |
| Output | $5 / MTok |
| [5m cache write](https://platform.claude.com/docs/id/build-with-claude/prompt-caching) | $1.25 / MTok |
| [1h cache write](https://platform.claude.com/docs/id/build-with-claude/prompt-caching) | $2 / MTok |
| [Cache read](https://platform.claude.com/docs/id/build-with-claude/prompt-caching) | $0.10 / MTok |
| [Batch API](https://platform.claude.com/docs/id/build-with-claude/batch-processing) | 50% discount on input and output |
[Full price list](https://platform.claude.com/docs/id/about-claude/pricing)
### Capabilities
| Feature | Value |
| :-------------------------------------------------------------------------------------- | :--------------------- |
| [Context window](https://platform.claude.com/docs/id/build-with-claude/context-windows) | 200K tokens |
| Max output | 64K tokens |
| [Thinking](https://platform.claude.com/docs/id/build-with-claude/thinking) | Extended |
| [Default effort](https://platform.claude.com/docs/id/build-with-claude/effort) | Not supported |
| Input → output | Text and images → text |
| Reliable knowledge cutoff | Feb 2025 |
| Training data cutoff | Jul 2025 |
### Availability
| Feature | Value |
| :---------------------------------------------------------------------------- | :--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [Status](https://platform.claude.com/docs/id/about-claude/model-deprecations) | Active (legacy) |
| Released | October 15, 2025 |
| Retirement | Not sooner than October 15, 2026 |
| Platforms | Claude API, [Amazon Bedrock](https://platform.claude.com/docs/id/build-with-claude/claude-in-amazon-bedrock), [Amazon Bedrock (InvokeModel)](https://platform.claude.com/docs/id/build-with-claude/claude-on-amazon-bedrock-legacy), [Google Cloud](https://platform.claude.com/docs/id/build-with-claude/claude-on-vertex-ai), [Microsoft Foundry](https://platform.claude.com/docs/id/build-with-claude/claude-in-microsoft-foundry), [Claude Platform on AWS](https://platform.claude.com/docs/id/build-with-claude/claude-platform-on-aws) |
## Perlu diketahui
* `claude-haiku-4-5` adalah alias praktis yang mengarah ke snapshot tetap `claude-haiku-4-5-20251001`. Lihat [ID model dan pembuatan versi](https://platform.claude.com/docs/id/about-claude/models/model-ids-and-versions).
* Claude Haiku 4.5 menggunakan "extended thinking" (pemikiran diperpanjang) manual (`thinking.type: "enabled"`), bukan pemikiran adaptif.
* Kueri batas dan kemampuan secara terprogram dengan [Models API](https://platform.claude.com/docs/id/api/models/list).
## Sumber daya
Apa yang berubah saat beralih dari Claude Haiku 4.5 ke Claude Haiku 5.5.
Model Haiku saat ini: ikhtisar, spesifikasi, dan sumber daya.
Claude Haiku 4.5 mendukung pemikiran diperpanjang manual dengan `budget_tokens`.
## Referensi
Prompt sistem yang digunakan Claude Haiku 4.5 di claude.ai dan aplikasi Claude.
Evaluasi keamanan dan keputusan deployment untuk Claude Haiku 4.5.
Daftar harga lengkap, termasuk diskon batch dan tarif caching prompt.
Cara kerja ID model, alias, dan snapshot tetap.
Status siklus hidup dan komitmen penghentian untuk setiap model Claude.
Claude Haiku 4.5 juga tersedia melalui integrasi InvokeModel Bedrock dan ID model bergaya Bedrock.