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Claude Sonnet 5.5 vs Muse Spark 1.3: Release Comparison

Comparison of the Claude Sonnet 5.5 and Muse Spark 1.3 releases: 5 and 2 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 7 models.

  • For intelligence, Claude Sonnet 5.5 scores highest: Claude Sonnet 5.5 (Adaptive Reasoning, Max Effort, Default Fallback) at 56, against Muse Spark 1.3 (max) at 48 for Muse Spark 1.3.
  • For output speed, Muse Spark 1.3 is fastest: Muse Spark 1.3 (xhigh) at 184 t/s, against Claude Sonnet 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback) at 171 t/s for Claude Sonnet 5.5.
  • For cost per task, Claude Sonnet 5.5 is cheapest: Claude Sonnet 5.5 (Adaptive Reasoning, Low Effort, Default Fallback) at $0.41, against Muse Spark 1.3 (xhigh) at $1.37 for Muse Spark 1.3.
Model Playground

Releases compared

Intelligence

Artificial Analysis Intelligence Index

Artificial Analysis Intelligence Index v4.3.2 incorporates 10 evaluations: AA-Briefcase v1.1, GDPval-AA v2.1, AutomationBench-AA, Terminal-Bench 4.0, SciCode, Humanity's Last Exam, GDP.pdf, CritPt, AA-Omniscience, AA-LCR v1.1

Intelligence Index vs. Cost per Intelligence Index Task

Artificial Analysis Intelligence Index · Weighted average cost (USD) per Artificial Analysis Intelligence Index task
Most attractive quadrant
Claude Sonnet 5.5
Muse Spark 1.3
Pareto line

Cost per Task (USD, Log Scale)

Cost

Cost per Intelligence Index Task

Weighted average cost (USD) per Artificial Analysis Intelligence Index task, segmented by token type. Lower is better

Speed & Latency

Output Speed

Output tokens per second · Higher is better

Capability Scores

Capability Indexes

Measures the performance of models on specific capabilities and industries
Finance & Accounting Index

Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, Humanity's Last Exam, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better

Strategy & Ops Index

Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better

Legal Index

Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, Humanity's Last Exam, AA-LCR v1.1, GDP.pdf, AutomationBench-AA · Higher is better

Healthcare & Medical Index

Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, MLCR-AA, Humanity's Last Exam, AutomationBench-AA · Higher is better

Engineering Index

Incorporates 6 evaluations: AA-Omniscience, Humanity's Last Exam, CritPt, GDPval-AA v2.1, AA-Briefcase v1.1, Terminal-Bench 4.0 · Higher is better

Economics Index

Incorporates 5 evaluations: AA-Omniscience, Humanity's Last Exam, GDPval-AA v2.1, AA-Briefcase v1.1, AA-LCR v1.1 · Higher is better

Further details

Input modality
Output modality
Weights
Provider Benchmarks
Claude Sonnet 5.5 (Adaptive Reasoning, Max Effort, Default Fallback)
Anthropic logoAnthropic
56
57
60
56
-
58
61
$7.60
$1.5
$2.00
$10.00
$0.20
$8,977
193k
142k
411M
-
-
-
-
-
-
1M
Sep 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
AnthropicAmazon BedrockGoogle
Claude Sonnet 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback)
Anthropic logoAnthropic
52
52
56
52
-
54
56
$2.74
$1.5
$2.00
$10.00
$0.20
$2,738
74k
48k
104M
171
135.07s
135.07s
138.00s
329.29s
-
1M
Sep 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
Anthropic
Muse Spark 1.3 (max)
Meta logoMeta
48
50
51
51
50
49
56
$1.60
$0.8
$1.25
$4.25
$0.15
$2,000
60k
34k
168M
181
33.49s
44.54s
47.30s
351.24s
-
1M
Sep 2026
-
Yes

Supports: text, image, and video

Supports: text

Not available
-
Meta
Claude Sonnet 5.5 (Adaptive Reasoning, High Effort, Default Fallback)
Anthropic logoAnthropic
47
47
52
49
-
48
52
$1.08
$1.5
$2.00
$10.00
$0.20
$1,176
34k
18k
50M
97
10.97s
10.97s
16.12s
187.78s
-
1M
Sep 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
Anthropic
Muse Spark 1.3 (xhigh)
Meta logoMeta
45
48
49
49
-
46
55
$1.37
$0.8
$1.25
$4.25
$0.15
$1,655
55k
33k
137M
184
29.21s
40.08s
42.80s
311.71s
-
1M
Sep 2026
-
Yes

Supports: text, image, and video

Supports: text

Not available
-
Meta
Claude Sonnet 5.5 (Adaptive Reasoning, Medium Effort, Default Fallback)
Anthropic logoAnthropic
41
41
45
44
-
42
47
$0.59
$1.5
$2.00
$10.00
$0.20
$701
19k
8k
29M
115
3.79s
3.79s
8.16s
108.81s
-
1M
Sep 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
Anthropic
Claude Sonnet 5.5 (Adaptive Reasoning, Low Effort, Default Fallback)
Anthropic logoAnthropic
36
37
41
40
-
38
44
$0.41
$1.5
$2.00
$10.00
$0.20
$544
14k
5k
23M
93
1.17s
1.17s
6.57s
95.30s
-
1M
Sep 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
AnthropicAmazon BedrockGoogle