Catalog Changes · 2026-10-14 18:04:44.598635

Anthropic: Claude Haiku 4.5 · 2026-10-14 18:04:44.598635 UTC

OpenRouter

10 Changed Fields

Field / Array Position	Previous Value	Observed Value
Benchmarks · Design Arena[0] · Elo	1073	1071
Benchmarks · Design Arena[0] · Rank	97	98
Benchmarks · Design Arena[2] · Elo	1117	1116
Benchmarks · Design Arena[2] · Rank	95	96
Benchmarks · Design Arena[3] · Rank	90	91
Benchmarks · Design Arena[4] · Elo	1102	1100
Benchmarks · Design Arena[4] · Rank	90	92
Benchmarks · Design Arena[6] · Elo	1102	1101
Benchmarks · Design Arena[7] · Elo	1125	1124
Benchmarks · Design Arena[7] · Rank	95	96

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Anthropic: Claude Haiku 4.5

anthropic/claude-haiku-4.5

OpenRouter Catalog Changes

Last Observed: 2026-10-15 00:04:08.292825 UTC

Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance...

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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 8	8
Benchmarks · Artificial Analysis · Coding Index API Details /benchmarks/artificial_analysis/coding_index 43.9	43.9
Benchmarks · Artificial Analysis · Intelligence Index API Details /benchmarks/artificial_analysis/intelligence_index 16.9	16.9

Catalog Identity And Metadata · 11

Canonical Slug API Details /canonical_slug anthropic/claude-4.5-haiku-20251001	anthropic/claude-4.5-haiku-20251001
Context Tokens API Details /context_length 200000	200,000
Created API Details /created 1760547638	2025-10-15 17:00:38 UTC
Description API Details /description Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance...	Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance...
Expiration Date API Details /expiration_date Explicit Null	Explicit Null
Hugging Face Id API Details /hugging_face_id Empty String	Empty String
Id API Details /id anthropic/claude-haiku-4.5	anthropic/claude-haiku-4.5
Knowledge Cutoff API Details /knowledge_cutoff Explicit Null	Explicit Null
Links · Details API Details /links/details /api/v1/models/anthropic/claude-4.5-haiku-20251001/endpoints	/api/v1/models/anthropic/claude-4.5-haiku-20251001/endpoints
Name API Details /name Anthropic: Claude Haiku 4.5	Anthropic: Claude Haiku 4.5
Supported Voices API Details /supported_voices Explicit Null	Explicit Null

Default Parameters · 6

Default Parameters · Frequency Penalty API Details /default_parameters/frequency_penalty Explicit Null	Explicit Null
Default Parameters · Presence Penalty API Details /default_parameters/presence_penalty Explicit Null	Explicit Null
Default Parameters · Repetition Penalty API Details /default_parameters/repetition_penalty Explicit Null	Explicit Null
Default Parameters · Temperature API Details /default_parameters/temperature Explicit Null	Explicit Null
Default Parameters · Top K API Details /default_parameters/top_k Explicit Null	Explicit Null
Default Parameters · Top P API Details /default_parameters/top_p 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 0.000005	0.000005
Pricing · Input Cache Read API Details /pricing/input_cache_read 0.0000001	0.0000001
Pricing · Input Cache Write API Details /pricing/input_cache_write 0.00000125	0.00000125
Pricing · Input Cache Write 1h API Details /pricing/input_cache_write_1h 0.000002	0.000002
Input Price · USD/Token API Details /pricing/prompt 0.000001	0.000001
Pricing · Web Search API Details /pricing/web_search 0.01	0.01

Reasoning · 1

Reasoning · Mandatory API Details /reasoning/mandatory False	False

Provider Limits · 3

Top Provider · Context Length API Details /top_provider/context_length 200000	200,000
Top Provider · Is Moderated API Details /top_provider/is_moderated True	True
Top Provider · Max Completion Tokens API Details /top_provider/max_completion_tokens 64000	64,000

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
Reasoning API Details /reasoning Object · See Fields	Object · See Fields
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

12 items · source order preserved

include_reasoning
max_completion_tokens
max_tokens
reasoning
response_format
stop
structured_outputs
temperature
tool_choice
tools
top_k
top_p

API Details

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

Benchmarks · Design Arena

8 items · source order preserved

Item	Arena	Category	Elo	Rank	Win Rate
1	models	3d	1071	98	41.1
2	models	asciiart	1142	49	49.3
3	models	codecategories	1116	96	44.9
4	models	dataviz	1126	91	45.6
5	models	gamedev	1100	92	44.7
6	models	svg	1025	80	39.1
7	models	uicomponent	1101	91	42.6
8	models	website	1124	96	45.1

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	1071	98	41.1
2	models	asciiart	1142	49	49.3
3	models	codecategories	1116	96	44.9
4	models	dataviz	1126	91	45.6
5	models	gamedev	1100	92	44.7
6	models	svg	1025	80	39.1
7	models	uicomponent	1101	91	42.6
8	models	website	1124	96	45.1