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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
Home Docs Claude Developer Platform 1 Sep 2026
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rate-limits changed

api/rate-limits

Nearest release: v2.1.257, published under an hour before this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

Recorded here
Lines+22added
Lines−20removed
From line 119 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits7to this page, all time

The whole hunk

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119119**Example:** With a 2,000,000 ITPM limit and an 80% cache hit rate, you could effectively process 10,000,000 total input tokens per minute (2M uncached + 8M cached), because cached tokens don't count toward your rate limit.
120120 
121121<Note>
122 Claude Haiku 3.5 (marked with † in the following rate limit tables) also counts `cache_read_input_tokens` toward ITPM rate limits.
122 Claude Haiku 3.5 (marked with footnote 4 in the following rate limit tables) also counts `cache_read_input_tokens` toward ITPM rate limits.
123123 
124 For all models without the † marker, cached input tokens do not count toward rate limits and are billed at a reduced rate (10% of base input token price). This means you can achieve significantly higher effective throughput by using [prompt caching](https://platform.claude.com/docs/en/build-with-claude/prompt-caching).
124 For all other models, cached input tokens do not count toward rate limits and are billed at the [cache read rate](https://platform.claude.com/docs/en/build-with-claude/prompt-caching#pricing), a fraction of the base input price. This means you can achieve significantly higher effective throughput by using [prompt caching](https://platform.claude.com/docs/en/build-with-claude/prompt-caching).
125125</Note>
126126 
127127To make the most of your rate limits, cache repeated content such as system instructions and prompts, large context documents, tool definitions, and conversation history; see [prompt caching](https://platform.claude.com/docs/en/build-with-claude/prompt-caching) for guidance. With effective caching, you can substantially increase your actual throughput without raising your rate limits. Monitor your cache hit rate on the [Usage page](https://platform.claude.com/usage) to tune your caching strategy.
from line 138
138138 <Tab title="Start tier">
139139 | Model | Maximum requests per minute (RPM) | Maximum input tokens per minute (ITPM) | Maximum output tokens per minute (OTPM) |
140140 | ------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------- | -------------------------------------- | --------------------------------------- |
141 | Claude Fable 5 | 1,000 | 500,000 | 100,000 |
141 | Claude Fable 5.x1 | 1,000 | 500,000 | 100,000 |
142142 | Claude Opus 5 | 1,000 | 2,000,000 | 400,000 |
143 | Claude Opus 4.x\* | 1,000 | 2,000,000 | 400,000 |
143 | Claude Opus 4.x2 | 1,000 | 2,000,000 | 400,000 |
144144 | Claude Sonnet 5 | 1,000 | 2,000,000 | 400,000 |
145 | Claude Sonnet 4.x\*\* | 1,000 | 2,000,000 | 400,000 |
145 | Claude Sonnet 4.x3 | 1,000 | 2,000,000 | 400,000 |
146146 | Claude Haiku 4.5 | 1,000 | 2,000,000 | 400,000 |
147 | Claude Haiku 3.5 ([retired, except on Bedrock and Google Cloud](https://platform.claude.com/docs/en/about-claude/model-deprecations)) | 1,000 | 100,000† | 20,000 |
147 | Claude Haiku 3.5 ([retired, except on Bedrock and Google Cloud](https://platform.claude.com/docs/en/about-claude/model-deprecations)) | 1,000 | 100,0004 | 20,000 |
148148 </Tab>
149149 
150150 <Tab title="Build tier">
151151 | Model | Maximum requests per minute (RPM) | Maximum input tokens per minute (ITPM) | Maximum output tokens per minute (OTPM) |
152152 | ------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------- | -------------------------------------- | --------------------------------------- |
153 | Claude Fable 5 | 2,000 | 1,500,000 | 300,000 |
153 | Claude Fable 5.x1 | 2,000 | 1,500,000 | 300,000 |
154154 | Claude Opus 5 | 5,000 | 5,000,000 | 1,000,000 |
155 | Claude Opus 4.x\* | 5,000 | 5,000,000 | 1,000,000 |
155 | Claude Opus 4.x2 | 5,000 | 5,000,000 | 1,000,000 |
156156 | Claude Sonnet 5 | 5,000 | 5,000,000 | 1,000,000 |
157 | Claude Sonnet 4.x\*\* | 5,000 | 5,000,000 | 1,000,000 |
157 | Claude Sonnet 4.x3 | 5,000 | 5,000,000 | 1,000,000 |
158158 | Claude Haiku 4.5 | 5,000 | 5,000,000 | 1,000,000 |
159 | Claude Haiku 3.5 ([retired, except on Bedrock and Google Cloud](https://platform.claude.com/docs/en/about-claude/model-deprecations)) | 2,000 | 200,000† | 40,000 |
159 | Claude Haiku 3.5 ([retired, except on Bedrock and Google Cloud](https://platform.claude.com/docs/en/about-claude/model-deprecations)) | 2,000 | 200,0004 | 40,000 |
160160 </Tab>
161161 
162162 <Tab title="Scale tier">
163163 | Model | Maximum requests per minute (RPM) | Maximum input tokens per minute (ITPM) | Maximum output tokens per minute (OTPM) |
164164 | ------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------- | -------------------------------------- | --------------------------------------- |
165 | Claude Fable 5 | 4,000 | 4,000,000 | 800,000 |
165 | Claude Fable 5.x1 | 4,000 | 4,000,000 | 800,000 |
166166 | Claude Opus 5 | 10,000 | 10,000,000 | 2,000,000 |
167 | Claude Opus 4.x\* | 10,000 | 10,000,000 | 2,000,000 |
167 | Claude Opus 4.x2 | 10,000 | 10,000,000 | 2,000,000 |
168168 | Claude Sonnet 5 | 10,000 | 10,000,000 | 2,000,000 |
169 | Claude Sonnet 4.x\*\* | 10,000 | 10,000,000 | 2,000,000 |
169 | Claude Sonnet 4.x3 | 10,000 | 10,000,000 | 2,000,000 |
170170 | Claude Haiku 4.5 | 10,000 | 10,000,000 | 2,000,000 |
171 | Claude Haiku 3.5 ([retired, except on Bedrock and Google Cloud](https://platform.claude.com/docs/en/about-claude/model-deprecations)) | 4,000 | 400,000† | 80,000 |
171 | Claude Haiku 3.5 ([retired, except on Bedrock and Google Cloud](https://platform.claude.com/docs/en/about-claude/model-deprecations)) | 4,000 | 400,0004 | 80,000 |
172172 </Tab>
173173 
174174 <Tab title="Custom tier">
from line 176
176176 </Tab>
177177</Tabs>
178178 
179*\* Opus rate limit is a total limit that applies to combined traffic across Claude Opus 4.8, Opus 4.7, Opus 4.6, and Opus 4.5. Claude Opus 5 has a separate rate limit and is not part of this combined bucket.*
179*1 Fable rate limit is a total limit that applies to combined traffic across Claude Fable 5.1 and Claude Fable 5. Claude Mythos 5.1 and Claude Mythos 5 share a separate combined limit on the same terms.*
180180 
181*\*\* Sonnet 4.x rate limit is a total limit that applies to combined traffic across Sonnet 4.6 and Sonnet 4.5. Claude Sonnet 5 has a separate rate limit and is not part of this combined bucket.*
181*2 Opus rate limit is a total limit that applies to combined traffic across Claude Opus 4.8, Opus 4.7, Opus 4.6, and Opus 4.5. Claude Opus 5 has a separate rate limit and is not part of this combined bucket.*
182182 
183*† Limit counts `cache_read_input_tokens` toward ITPM usage.*
183*3 Sonnet 4.x rate limit is a total limit that applies to combined traffic across Sonnet 4.6 and Sonnet 4.5. Claude Sonnet 5 has a separate rate limit and is not part of this combined bucket.*
184 
185*4 Limit counts `cache_read_input_tokens` toward ITPM usage.*
184186 
185187### Message Batches API
186188