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Sweep 22 Sep 2026 · 17:19Z Build v2.1.280 501 read Stable v2.1.267 Latest v2.1.280 Next v2.1.280 Feeds RSS JSON llms.txt Unofficial
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overview changed

models/haiku-4-5/overview

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First seen 24 Aug 2026 this site's first read of the page
Recorded edits5to this page, all time

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1616 
1717## How it compares
1818 
19| Model | Context | Max output | Price / MTok | Latency | Thinking | Default effort | Knowledge cutoff |
20| :------------------------------------------------------------------------------ | :------ | :--------- | :----------- | :------- | :------------------- | :------------- | :--------------- |
21| [Claude Fable 5](https://platform.claude.com/docs/en/models/fable-5/overview) | 1M | 128K | $10 / $50 | Slower | Adaptive (always on) | `high` | Jan 2026 |
22| [Claude Opus 5](https://platform.claude.com/docs/en/models/opus-5/overview) | 1M | 128K | $5 / $25 | Moderate | Adaptive | `high` | May 2026 |
23| [Claude Sonnet 5](https://platform.claude.com/docs/en/models/sonnet-5/overview) | 1M | 128K | $2 / $10 | Fast | Adaptive | `high` | Jan 2026 |
24| **Claude Haiku 4.5** (this model) | 200K | 64K | $1 / $5 | Fastest | Extended | — | Feb 2025 |
19| Model | Context | Max output | Price / MTok | Latency | Thinking | Default effort | Knowledge cutoff |
20| :-------------------------------------------------------------------------------- | :------ | :--------- | :----------- | :------- | :------------------- | :------------- | :--------------- |
21| [Claude Fable 5.1](https://platform.claude.com/docs/en/models/fable-5-1/overview) | 1M | 128K | $10 / $50 | Slower | Adaptive (always on) | `high` | Jun 2026 |
22| [Claude Opus 5](https://platform.claude.com/docs/en/models/opus-5/overview) | 1M | 128K | $5 / $25 | Moderate | Adaptive | `high` | May 2026 |
23| [Claude Sonnet 5](https://platform.claude.com/docs/en/models/sonnet-5/overview) | 1M | 128K | $2 / $10 | Fast | Adaptive | `high` | Jan 2026 |
24| **Claude Haiku 4.5** (this model) | 200K | 64K | $1 / $5 | Fastest | Extended | — | Feb 2025 |
2525 
2626* **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.
2727* **Max output:** Synchronous Messages API limit. On the Message Batches API, Claude Opus 5, Claude Sonnet 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.