Catalog Changes · 2026-10-13 18:02:10.911719

Anthropic: Claude Haiku 5.5 · 2026-10-13 18:02:10.911719 UTC

OpenRouter

15 Changed Fields

Field / Array Position	Previous Value	Observed Value
Benchmarks · Design Arena[0] · Elo	1357	1353
Benchmarks · Design Arena[0] · Rank	7	8
Benchmarks · Design Arena[0] · Win Rate	61	60.5
Benchmarks · Design Arena[1] · Elo	1282	1281
Benchmarks · Design Arena[1] · Rank	20	21
Benchmarks · Design Arena[1] · Win Rate	50.4	50.3
Benchmarks · Design Arena[2] · Elo	1294	1292
Benchmarks · Design Arena[2] · Rank	13	14
Benchmarks · Design Arena[2] · Win Rate	54.8	54.3
Benchmarks · Design Arena[3] · Elo	1310	1309
Benchmarks · Design Arena[3] · Rank	14	16
Benchmarks · Design Arena[4] · Elo	1315	1311
Benchmarks · Design Arena[4] · Rank	14	15
Benchmarks · Design Arena[4] · Win Rate	54.8	54.9
Benchmarks · Design Arena[5] · Win Rate	49	48.9

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Anthropic: Claude Haiku 5.5

anthropic/claude-haiku-5.5

OpenRouter Catalog Changes

Last Observed: 2026-10-13 18:02:10.911719 UTC

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...

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Architecture And Modalities · 3

Architecture · Instruct Type API Details /architecture/instruct_type Explicit Null	Explicit Null
Architecture · Modality API Details /architecture/modality text+image+file->text	text+image+file->text
Architecture · Tokenizer API Details /architecture/tokenizer Claude	Claude

Benchmarks · 3

Benchmarks · Artificial Analysis · Agentic Index API Details /benchmarks/artificial_analysis/agentic_index Explicit Null	Explicit Null
Benchmarks · Artificial Analysis · Coding Index API Details /benchmarks/artificial_analysis/coding_index Explicit Null	Explicit Null
Benchmarks · Artificial Analysis · Intelligence Index API Details /benchmarks/artificial_analysis/intelligence_index 43.4	43.4

Catalog Identity And Metadata · 11

Canonical Slug API Details /canonical_slug anthropic/claude-haiku-5.5-20261007	anthropic/claude-haiku-5.5-20261007
Context Tokens API Details /context_length 1000000	1,000,000
Created API Details /created 1791397883	2026-10-07 18:31:23 UTC
Description API Details /description 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...	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...
Expiration Date API Details /expiration_date Explicit Null	Explicit Null
Hugging Face Id API Details /hugging_face_id Explicit Null	Explicit Null
Id API Details /id anthropic/claude-haiku-5.5	anthropic/claude-haiku-5.5
Knowledge Cutoff API Details /knowledge_cutoff Explicit Null	Explicit Null
Links · Details API Details /links/details /api/v1/models/anthropic/claude-haiku-5.5-20261007/endpoints	/api/v1/models/anthropic/claude-haiku-5.5-20261007/endpoints
Name API Details /name Anthropic: Claude Haiku 5.5	Anthropic: Claude Haiku 5.5
Supported Voices API Details /supported_voices Explicit Null	Explicit Null

Request Limits · 1

Per Request Limits API Details /per_request_limits Explicit Null	Explicit Null

Pricing · 6

Output Price · USD/Token API Details /pricing/completion 0.0000005	0.0000005
Pricing · Input Cache Read API Details /pricing/input_cache_read 0.00000001	0.00000001
Pricing · Input Cache Write API Details /pricing/input_cache_write 0.000000125	0.000000125
Pricing · Input Cache Write 1h API Details /pricing/input_cache_write_1h 0.0000002	0.0000002
Input Price · USD/Token API Details /pricing/prompt 0.0000001	0.0000001
Pricing · Web Search API Details /pricing/web_search 0.01	0.01

Reasoning · 2

Reasoning · Default Effort API Details /reasoning/default_effort medium	medium
Reasoning · Mandatory API Details /reasoning/mandatory False	False

Provider Limits · 3

Top Provider · Context Length API Details /top_provider/context_length 1000000	1,000,000
Top Provider · Is Moderated API Details /top_provider/is_moderated True	True
Top Provider · Max Completion Tokens API Details /top_provider/max_completion_tokens 128000	128,000

API Structure And Container Types

Architecture API Details /architecture Object · See Fields	Object · See Fields
Architecture · Input Modalities API Details /architecture/input_modalities Array · See Items	Array · See Items
Architecture · Output Modalities API Details /architecture/output_modalities Array · See Items	Array · See Items
Benchmarks API Details /benchmarks Object · See Fields	Object · See Fields
Benchmarks · Artificial Analysis API Details /benchmarks/artificial_analysis Object · See Fields	Object · See Fields
Benchmarks · Design Arena API Details /benchmarks/design_arena Array · See Items	Array · See Items
Default Parameters API Details /default_parameters Object · See Fields	Object · See Fields
Links API Details /links Object · See Fields	Object · See Fields
Pricing API Details /pricing Object · See Fields	Object · See Fields
Pricing · Overrides API Details /pricing/overrides Array · See Items	Array · See Items
Reasoning API Details /reasoning Object · See Fields	Object · See Fields
Reasoning · Supported Efforts API Details /reasoning/supported_efforts Array · See Items	Array · See Items
Supported Parameters API Details /supported_parameters Array · See Items	Array · See Items
Top Provider API Details /top_provider Object · See Fields	Object · See Fields

Architecture · Input Modalities

3 items · source order preserved

text
image
file

API Details

Item	/architecture/input_modalities/*
1	text
2	image
3	file

Architecture · Output Modalities

1 items · source order preserved

text

API Details

Item	/architecture/output_modalities/*
1	text

Supported Parameters

11 items · source order preserved

include_reasoning
max_completion_tokens
max_tokens
reasoning
reasoning_effort
response_format
stop
structured_outputs
tool_choice
tools
verbosity

API Details

Item	/supported_parameters/*
1	include_reasoning
2	max_completion_tokens
3	max_tokens
4	reasoning
5	reasoning_effort
6	response_format
7	stop
8	structured_outputs
9	tool_choice
10	tools
11	verbosity

Benchmarks · Design Arena

6 items · source order preserved

Item	Arena	Category	Elo	Rank	Win Rate
1	models	3d	1353	8	60.5
2	models	codecategories	1281	21	50.3
3	models	dataviz	1292	14	54.3
4	models	gamedev	1309	16	53.1
5	models	uicomponent	1311	15	54.9
6	models	website	1268	31	48.9

API Details

Item	/benchmarks/design_arena/*/arena	/benchmarks/design_arena/*/category	/benchmarks/design_arena/*/elo	/benchmarks/design_arena/*/rank	/benchmarks/design_arena/*/win_rate
1	models	3d	1353	8	60.5
2	models	codecategories	1281	21	50.3
3	models	dataviz	1292	14	54.3
4	models	gamedev	1309	16	53.1
5	models	uicomponent	1311	15	54.9
6	models	website	1268	31	48.9

Reasoning · Supported Efforts

5 items · source order preserved

max
xhigh
high
medium
low

API Details

Item	/reasoning/supported_efforts/*
1	max
2	xhigh
3	high
4	medium
5	low

Pricing · Overrides

1 items · source order preserved

Item 1

Completion: 0.0000025
Input Cache Read: 0.00000005
Input Cache Write: 0.000000625
Input Cache Write 1h: 0.000001
Min Prompt Tokens: 100000
Prompt: 0.0000005

API Details

Item	/pricing/overrides/*/completion	/pricing/overrides/*/input_cache_read	/pricing/overrides/*/input_cache_write	/pricing/overrides/*/input_cache_write_1h	/pricing/overrides/*/min_prompt_tokens	/pricing/overrides/*/prompt
1	0.0000025	0.00000005	0.000000625	0.000001	100000	0.0000005