Claude Haiku 5.5

Specifications

Official API ID

claude-haiku-5-5

Documented version

claude-haiku-5-5

Status

active

Shared context window

1,000,000

Input token limit

Not verified

Maximum output

128,000

Input types

text, image

Output types

text

Reasoning

yes

Structured output

Not verified

Function calling

Not verified

Streaming

Not verified

Released

2026-10-07

Limits are documented separately; an unknown input limit does not mean unlimited input. Availability depends on your provider account and region.

Text token pricing

USD per 1 million tokens · Standard paid tier

Input

$0.10

Output (including thinking)

$0.50

Cached input read

$0.01

Default cache write

Not verified

5-minute cache write

$0.125

1-hour cache write

$0.20

Above 100,000 input tokens, full-request rates become $0.50 input / $2.50 output / $0.05 cache read.

Text tokens only. Output includes thinking tokens. Cache reads are a subset of input. Cache creation, tools and media fees are excluded.