Catalog Changes · 2026-10-14 00:05:16.021748

Meta: Muse Spark 1.2 · 2026-10-14 00:05:16.021748 UTC

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9 Changed Fields

Field / Array Position	Previous Value	Observed Value
Benchmarks · Design Arena[10] · Elo	1339	1338
Benchmarks · Design Arena[12] · Win Rate	55.7	55.6
Benchmarks · Design Arena[13] · Elo	1305	1304
Benchmarks · Design Arena[1] · Elo	1236	1235
Benchmarks · Design Arena[1] · Win Rate	53.2	53.1
Benchmarks · Design Arena[3] · Elo	1134	1135
Benchmarks · Design Arena[6] · Elo	1215	1216
Benchmarks · Design Arena[6] · Rank	14	13
Benchmarks · Design Arena[8] · Win Rate	58	57.9

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Meta: Muse Spark 1.2

meta/muse-spark-1.2

OpenRouter Catalog Changes

Last Observed: 2026-10-14 12:02:50.111566 UTC

Muse Spark 1.2 is a reasoning model from Meta, designed for complex agentic tasks. It accepts text, images, video, and PDF documents, returns text, and offers a 1M-token context window....

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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+video->text	text+image+file+video->text
Architecture · Tokenizer API Details /architecture/tokenizer Other	Other

Benchmarks · 3

Benchmarks · Artificial Analysis · Agentic Index API Details /benchmarks/artificial_analysis/agentic_index 43.2	43.2
Benchmarks · Artificial Analysis · Coding Index API Details /benchmarks/artificial_analysis/coding_index 72.2	72.2
Benchmarks · Artificial Analysis · Intelligence Index API Details /benchmarks/artificial_analysis/intelligence_index 39.6	39.6

Catalog Identity And Metadata · 11

Canonical Slug API Details /canonical_slug meta/muse-spark-1.2-20260805	meta/muse-spark-1.2-20260805
Context Tokens API Details /context_length 1048576	1,048,576
Created API Details /created 1785959287	2026-08-05 19:48:07 UTC
Description API Details /description Muse Spark 1.2 is a reasoning model from Meta, designed for complex agentic tasks. It accepts text, images, video, and PDF documents, returns text, and offers a 1M-token context window....	Muse Spark 1.2 is a reasoning model from Meta, designed for complex agentic tasks. It accepts text, images, video, and PDF documents, returns text, and offers a 1M-token context window....
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 meta/muse-spark-1.2	meta/muse-spark-1.2
Knowledge Cutoff API Details /knowledge_cutoff Explicit Null	Explicit Null
Links · Details API Details /links/details /api/v1/models/meta/muse-spark-1.2-20260805/endpoints	/api/v1/models/meta/muse-spark-1.2-20260805/endpoints
Name API Details /name Meta: Muse Spark 1.2	Meta: Muse Spark 1.2
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 · 4

Output Price · USD/Token API Details /pricing/completion 0.00000425	0.00000425
Pricing · Input Cache Read API Details /pricing/input_cache_read 0.00000015	0.00000015
Input Price · USD/Token API Details /pricing/prompt 0.00000125	0.00000125
Pricing · Web Search API Details /pricing/web_search 0.0025	0.0025

Reasoning · 2

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

Provider Limits · 3

Top Provider · Context Length API Details /top_provider/context_length 1048576	1,048,576
Top Provider · Is Moderated API Details /top_provider/is_moderated True	True
Top Provider · Max Completion Tokens API Details /top_provider/max_completion_tokens 943718	943,718

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
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

4 items · source order preserved

text
image
video
file

API Details

Item	/architecture/input_modalities/*
1	text
2	image
3	video
4	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_tokens
reasoning
reasoning_effort
repetition_penalty
response_format
structured_outputs
temperature
tool_choice
tools
top_k
top_p

API Details

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

Benchmarks · Design Arena

15 items · source order preserved

Item	Arena	Category	Elo	Rank	Win Rate
1	agents	agenticgamedev	1179	15	42.7
2	agents	androidnative	1235	10	53.1
3	agents	fullstack	1210	15	48
4	agents	htmlslides	1135	20	40
5	agents	mobileapps	1174	20	47.5
6	agents	python-pptxslides	1198	15	48.6
7	agents	webapps	1216	13	50.6
8	models	3d	1303	17	51.9
9	models	asciiart	1295	4	57.9
10	models	codecategories	1316	10	52
11	models	dataviz	1338	8	58
12	models	gamedev	1307	17	50.4
13	models	svg	1288	9	55.6
14	models	uicomponent	1304	16	52.2
15	models	website	1316	7	52.1

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	agents	agenticgamedev	1179	15	42.7
2	agents	androidnative	1235	10	53.1
3	agents	fullstack	1210	15	48
4	agents	htmlslides	1135	20	40
5	agents	mobileapps	1174	20	47.5
6	agents	python-pptxslides	1198	15	48.6
7	agents	webapps	1216	13	50.6
8	models	3d	1303	17	51.9
9	models	asciiart	1295	4	57.9
10	models	codecategories	1316	10	52
11	models	dataviz	1338	8	58
12	models	gamedev	1307	17	50.4
13	models	svg	1288	9	55.6
14	models	uicomponent	1304	16	52.2
15	models	website	1316	7	52.1

Reasoning · Supported Efforts

5 items · source order preserved

xhigh
high
medium
low
minimal

API Details

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