Claudemoderated

Anthropic: Claude Haiku 5.5

anthropic/claude-haiku-5.5

canonical: anthropic/claude-haiku-5.5-20261007

Descriptionfrom OpenRouter

Claude Haiku 5.5 is Anthropic's small, fast model for high-volume, cost-sensitive work such as summarization, subagents, and browser use. It succeeds Claude Haiku 4.5 with stronger coding, computer use, and...

Context length

1,000,000 tok

Max completion

128,000 tok

Knowledge cutoff

—

Expires

—

Added to OpenRouter

10/7/2026

Cache last refreshed

11/12/2026

Primary modality

text+image+file->text

Source

OpenRouter

Input modalities

textimagefile

Output modalities

text

Pricing

Field	Per token (USD)	Per million
prompt	0.0000001	$0.100
completion	0.0000005	$0.500
web_search	0.01	$10000
input_cache_read	0.00000001	$0.010
input_cache_write	0.000000125	$0.125
input_cache_write_1h	0.0000002	$0.200
overrides	[object Object]	—

Supported parameters(11)

include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatstopstructured_outputstool_choicetoolsverbosity

OpenRouter page

Videos

11:12

WOW... Haiku 5.5 is very impressive. RIP OpenAI?

Oct 7, 2026 · YouTube

Rounds

17 answersin this database. A round opens every model's answer to the same prompt.

Oct 28, 2026CodingThe spec that can't be builtin a video round answer
Oct 28, 2026CodingDropped Garden Hose Whipin a video round answer
Oct 28, 2026CodingTablecloth Yank Trickin a video round answer
Oct 28, 2026CodingStadium Exit Gate Bottleneckin a video round answer
Oct 17, 2026Vision & PerceptionCount the Park Catsround answer
Oct 17, 2026Vision & PerceptionCount the Park Catsin a video round answer
Oct 7, 2026Psychology & Business AcumenThe email you don't want to sendin a video round answer
Oct 7, 2026Creative WritingNo letter Ein a video round answer
Oct 7, 2026Creative WritingExactly fifty wordsin a video round answer
Oct 7, 2026CodingDrop the slinkyin a video round answer
Oct 7, 2026CodingNeon Unicorn Frappuccinoin a video round answer
Oct 7, 2026CodingThe Cybertruck rallyin a video round answer
Oct 7, 2026CodingTwo kilobytesin a video round answer
Oct 7, 2026CodingBird Breakdance Animationin a video round answer
Oct 7, 2026CodingUmbrella In High Windin a video round answer
Oct 7, 2026CodingEscalator Reversal Disasterin a video round answer
Oct 7, 2026CodingSpinning cat memein a video round answer