Catalog Changes · 2026-10-14 00:05:32.220591

Anthropic: Claude Opus 4.1 · 2026-10-14 00:05:32.220591 UTC

OpenRouter

8 Changed Fields

Field / Array Position	Previous Value	Observed Value
Benchmarks · Design Arena[1] · Elo	1170	1169
Benchmarks · Design Arena[2] · Elo	1175	1174
Benchmarks · Design Arena[3] · Elo	1169	1167
Benchmarks · Design Arena[3] · Rank	70	71
Benchmarks · Design Arena[4] · Elo	1177	1176
Benchmarks · Design Arena[5] · Elo	1151	1152
Benchmarks · Design Arena[6] · Elo	1168	1166
Benchmarks · Design Arena[6] · Rank	68	69

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Anthropic: Claude Opus 4.1

anthropic/claude-opus-4.1

OpenRouter Catalog Changes

Last Observed: 2026-10-14 12:02:52.471323 UTC

Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable gains...

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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 22.8	22.8

Catalog Identity And Metadata · 11

Canonical Slug API Details /canonical_slug anthropic/claude-4.1-opus-20250805	anthropic/claude-4.1-opus-20250805
Context Tokens API Details /context_length 200000	200,000
Created API Details /created 1754411591	2025-08-05 16:33:11 UTC
Description API Details /description Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable gains...	Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable gains...
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-opus-4.1	anthropic/claude-opus-4.1
Knowledge Cutoff API Details /knowledge_cutoff 2025-01-31	2025-01-31
Links · Details API Details /links/details /api/v1/models/anthropic/claude-4.1-opus-20250805/endpoints	/api/v1/models/anthropic/claude-4.1-opus-20250805/endpoints
Name API Details /name Anthropic: Claude Opus 4.1	Anthropic: Claude Opus 4.1
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 0.000075	0.000075
Pricing · Input Cache Read API Details /pricing/input_cache_read 0.0000015	0.0000015
Pricing · Input Cache Write API Details /pricing/input_cache_write 0.00001875	0.00001875
Pricing · Input Cache Write 1h API Details /pricing/input_cache_write_1h 0.00003	0.00003
Input Price · USD/Token API Details /pricing/prompt 0.000015	0.000015
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 32000	32,000

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

image
text
file

API Details

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

Architecture · Output Modalities

1 items · source order preserved

text

API Details

Item	/architecture/output_modalities/*
1	text

Supported Parameters

9 items · source order preserved

include_reasoning
max_tokens
reasoning
stop
temperature
tool_choice
tools
top_k
top_p

API Details

Item	/supported_parameters/*
1	include_reasoning
2	max_tokens
3	reasoning
4	stop
5	temperature
6	tool_choice
7	tools
8	top_k
9	top_p

Benchmarks · Design Arena

8 items · source order preserved

Item	Arena	Category	Elo	Rank	Win Rate
1	models	3d	1154	65	51.9
2	models	asciiart	1169	30	51.5
3	models	codecategories	1174	68	55.8
4	models	dataviz	1167	71	56.4
5	models	gamedev	1176	61	58.4
6	models	svg	1152	42	60.8
7	models	uicomponent	1166	69	57.8
8	models	website	1179	72	55.3

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	1154	65	51.9
2	models	asciiart	1169	30	51.5
3	models	codecategories	1174	68	55.8
4	models	dataviz	1167	71	56.4
5	models	gamedev	1176	61	58.4
6	models	svg	1152	42	60.8
7	models	uicomponent	1166	69	57.8
8	models	website	1179	72	55.3