Muse Spark 1.1
Closed weights. No supported local deployment or GPU requirement is published.
GeekRadar / The comparison desk
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AI modelsMuse Spark 1.1
AI model Released
- API mode
- Chat*
- Context window
- 1,048,576 tokens
- Maximum output
- 131,072 tokens
- Open weights
- No
Capability & preference
Human preference · Arena
Overall text preferences from head-to-head votes. Not factual accuracy or a task-success rate.
Recorded results
Only the same benchmark, version, workload, scenario and unit share a row. Missing results are not zero. System results include the full submitted hardware and software configuration.
Arena text preference / chinesehuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,515.27 rating
Confidence interval: 1,504.72 – 1,525.82
3657 votes
- Category
- chinese
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Arena text preference / codinghuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,497.74 rating
Confidence interval: 1,491.49 – 1,503.99
12770 votes
- Category
- coding
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Arena text preference / creative_writinghuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,435.42 rating
Confidence interval: 1,428.29 – 1,442.55
9733 votes
- Category
- creative_writing
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Arena text preference / englishhuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,478.05 rating
Confidence interval: 1,472.65 – 1,483.45
18732 votes
- Category
- english
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Arena text preference / exclude_tieshuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,486.23 rating
Confidence interval: 1,480.85 – 1,491.60
34359 votes
- Category
- exclude_ties
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Arena text preference / experthuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,477.58 rating
Confidence interval: 1,468.95 – 1,486.22
5430 votes
- Category
- expert
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Arena text preference / frenchhuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,492.03 rating
Confidence interval: 1,475.80 – 1,508.27
1607 votes
- Category
- french
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Arena text preference / germanhuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,467.11 rating
Confidence interval: 1,445.71 – 1,488.52
846 votes
- Category
- german
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Arena text preference / hard_promptshuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,485.87 rating
Confidence interval: 1,481.12 – 1,490.61
30567 votes
- Category
- hard_prompts
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Arena text preference / hard_prompts_englishhuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,480.92 rating
Confidence interval: 1,474.64 – 1,487.21
12336 votes
- Category
- hard_prompts_english
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Arena text preference / industry_business_and_management_and_financial_operationshuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,470.37 rating
Confidence interval: 1,463.23 – 1,477.50
8796 votes
- Category
- industry_business_and_management_and_financial_operations
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Arena text preference / industry_entertainment_and_sports_and_mediahuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,437.41 rating
Confidence interval: 1,430.81 – 1,444.01
11845 votes
- Category
- industry_entertainment_and_sports_and_media
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Arena text preference / industry_legal_and_governmenthuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,482.29 rating
Confidence interval: 1,472.22 – 1,492.37
3962 votes
- Category
- industry_legal_and_government
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Arena text preference / industry_life_and_physical_and_social_sciencehuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,483.10 rating
Confidence interval: 1,475.69 – 1,490.51
7780 votes
- Category
- industry_life_and_physical_and_social_science
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Arena text preference / industry_mathematicalhuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,484.86 rating
Confidence interval: 1,472.98 – 1,496.74
2683 votes
- Category
- industry_mathematical
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Arena text preference / industry_medicine_and_healthcarehuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,480.17 rating
Confidence interval: 1,469.35 – 1,491.00
3389 votes
- Category
- industry_medicine_and_healthcare
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Arena text preference / industry_software_and_it_serviceshuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,498.31 rating
Confidence interval: 1,492.78 – 1,503.84
17897 votes
- Category
- industry_software_and_it_services
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Arena text preference / industry_writing_and_literature_and_languagehuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,447.85 rating
Confidence interval: 1,441.47 – 1,454.22
12812 votes
- Category
- industry_writing_and_literature_and_language
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Arena text preference / instruction_followinghuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,456.73 rating
Confidence interval: 1,451.00 – 1,462.45
16653 votes
- Category
- instruction_following
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Arena text preference / japanesehuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,447.20 rating
Confidence interval: 1,424.49 – 1,469.91
814 votes
- Category
- japanese
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Arena text preference / koreanhuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,457.16 rating
Confidence interval: 1,436.09 – 1,478.23
858 votes
- Category
- korean
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Arena text preference / longer_queryhuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,461.71 rating
Confidence interval: 1,456.30 – 1,467.13
21310 votes
- Category
- longer_query
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Arena text preference / mathhuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,481.92 rating
Confidence interval: 1,468.90 – 1,494.93
2166 votes
- Category
- math
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Arena text preference / multi_turnhuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,483.80 rating
Confidence interval: 1,476.02 – 1,491.57
7078 votes
- Category
- multi_turn
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Arena text preference / non_englishhuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,471.34 rating
Confidence interval: 1,466.49 – 1,476.19
27621 votes
- Category
- non_english
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Arena text preference / overallhuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,478.28 rating
Confidence interval: 1,474.16 – 1,482.40
46354 votes
- Category
- overall
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Arena text preference / polishhuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,497.20 rating
Confidence interval: 1,474.69 – 1,519.71
708 votes
- Category
- polish
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Arena text preference / russianhuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,483.19 rating
Confidence interval: 1,474.61 – 1,491.76
5480 votes
- Category
- russian
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Arena text preference / spanishhuman preference · 2026-10-28 · rating
Muse Spark 1.1
1,462.59 rating
Confidence interval: 1,446.48 – 1,478.69
1474 votes
- Category
- spanish
- Evaluated configuration
- Muse Spark 1.1
- Evaluation type
- human preference
Run it locally
API cost
Standard text-token estimate. Excludes taxes, caching, batch discounts, reasoning and multimodal surcharges. Provider limits and regional availability may differ.
Muse Spark 1.1
Capabilities
- Context window
- 1,048,576 tokens
- Maximum input
- 1,048,576 tokens*
- Maximum output
- 131,072 tokens
- Reasoning
- Yes
- Tool calling
- Yes
- Structured output
- Yes*
- Open weights
- No
- API mode
- Chat*
- Image input
- Yes*
- PDF input
- Yes*
- Parallel tool calls
- Yes*
- Prompt caching
- Yes*
- System messages
- Yes*
- Tool choice
- Yes*
- Web search
- Yes*
- Model license
- Proprietary
Input modalities
- text
- image
- video
Output modalities
- text
System configuration
Detailed specifications
Specifications · 24 fields
- cache read input token cost
- 1.5e-7*
Scope and conditions
- native_context
- provider
- meta*
- mode
- chat*
- full_native_model_id
- meta/muse-spark-1.1*
- pricing_scope
- Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.*
- input cost per token
- 1.25e-6*
Scope and conditions
- native_context
- provider
- meta*
- mode
- chat*
- full_native_model_id
- meta/muse-spark-1.1*
- pricing_scope
- Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.*
- litellm provider
- meta*
Scope and conditions
- native_context
- provider
- meta*
- mode
- chat*
- full_native_model_id
- meta/muse-spark-1.1*
- pricing_scope
- Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.*
- max input tokens
- 1,048,576*
Scope and conditions
- native_context
- provider
- meta*
- mode
- chat*
- full_native_model_id
- meta/muse-spark-1.1*
- pricing_scope
- Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.*
- max output tokens
- 131,072*
Scope and conditions
- native_context
- provider
- meta*
- mode
- chat*
- full_native_model_id
- meta/muse-spark-1.1*
- pricing_scope
- Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.*
- max tokens
- 131,072*
Scope and conditions
- native_context
- provider
- meta*
- mode
- chat*
- full_native_model_id
- meta/muse-spark-1.1*
- pricing_scope
- Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.*
- mode
- chat*
Scope and conditions
- native_context
- provider
- meta*
- mode
- chat*
- full_native_model_id
- meta/muse-spark-1.1*
- pricing_scope
- Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.*
- output cost per token
- 4.25e-6*
Scope and conditions
- native_context
- provider
- meta*
- mode
- chat*
- full_native_model_id
- meta/muse-spark-1.1*
- pricing_scope
- Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.*
- search context cost per query
- search_context_size_high
- 0.0025*
- search_context_size_low
- 0.0025*
- search_context_size_medium
- 0.0025*
Scope and conditions
- native_context
- provider
- meta*
- mode
- chat*
- full_native_model_id
- meta/muse-spark-1.1*
- pricing_scope
- Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.*
- supported endpoints
- /v1/chat/completions*
- /v1/responses*
- /v1/messages*
Scope and conditions
- native_context
- provider
- meta*
- mode
- chat*
- full_native_model_id
- meta/muse-spark-1.1*
- pricing_scope
- Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.*
- supported modalities
- text*
- image*
- video*
Scope and conditions
- native_context
- provider
- meta*
- mode
- chat*
- full_native_model_id
- meta/muse-spark-1.1*
- pricing_scope
- Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.*
- supported output modalities
- text*
Scope and conditions
- native_context
- provider
- meta*
- mode
- chat*
- full_native_model_id
- meta/muse-spark-1.1*
- pricing_scope
- Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.*
- supports function calling
- Yes*
Scope and conditions
- native_context
- provider
- meta*
- mode
- chat*
- full_native_model_id
- meta/muse-spark-1.1*
- pricing_scope
- Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.*
- supports minimal reasoning effort
- Yes*
Scope and conditions
- native_context
- provider
- meta*
- mode
- chat*
- full_native_model_id
- meta/muse-spark-1.1*
- pricing_scope
- Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.*
- supports parallel function calling
- Yes*
Scope and conditions
- native_context
- provider
- meta*
- mode
- chat*
- full_native_model_id
- meta/muse-spark-1.1*
- pricing_scope
- Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.*
- supports pdf input
- Yes*
Scope and conditions
- native_context
- provider
- meta*
- mode
- chat*
- full_native_model_id
- meta/muse-spark-1.1*
- pricing_scope
- Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.*
- supports prompt caching
- Yes*
Scope and conditions
- native_context
- provider
- meta*
- mode
- chat*
- full_native_model_id
- meta/muse-spark-1.1*
- pricing_scope
- Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.*
- supports reasoning
- Yes*
Scope and conditions
- native_context
- provider
- meta*
- mode
- chat*
- full_native_model_id
- meta/muse-spark-1.1*
- pricing_scope
- Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.*
- supports response schema
- Yes*
Scope and conditions
- native_context
- provider
- meta*
- mode
- chat*
- full_native_model_id
- meta/muse-spark-1.1*
- pricing_scope
- Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.*
- supports system messages
- Yes*
Scope and conditions
- native_context
- provider
- meta*
- mode
- chat*
- full_native_model_id
- meta/muse-spark-1.1*
- pricing_scope
- Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.*
- supports tool choice
- Yes*
Scope and conditions
- native_context
- provider
- meta*
- mode
- chat*
- full_native_model_id
- meta/muse-spark-1.1*
- pricing_scope
- Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.*
- supports vision
- Yes*
Scope and conditions
- native_context
- provider
- meta*
- mode
- chat*
- full_native_model_id
- meta/muse-spark-1.1*
- pricing_scope
- Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.*
- supports web search
- Yes*
Scope and conditions
- native_context
- provider
- meta*
- mode
- chat*
- full_native_model_id
- meta/muse-spark-1.1*
- pricing_scope
- Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.*
- supports xhigh reasoning effort
- Yes*
Scope and conditions
- native_context
- provider
- meta*
- mode
- chat*
- full_native_model_id
- meta/muse-spark-1.1*
- pricing_scope
- Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.*
0 selected Compare 0
* Provisional data