Claude Sonnet 5.5 (Low, Default Fallback) vs Muse Spark 1.3 (Xhigh)

Which is better for the money: Claude Sonnet 5.5 (Low, Default Fallback) by Anthropic or Muse Spark 1.3 (Xhigh) by Meta? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.

Trade-off

AnthropicClaude Sonnet 5.5 (Low, Default Fallback)Off the frontier

Intelligence: 35.90
Total cost: $482

MetaMuse Spark 1.3 (Xhigh)Off the frontier

Intelligence: 45.10
Total cost: $1655

Verdict

Depends on your budget

Muse Spark 1.3 (Xhigh) scores 9.2 points higher (45.1 vs 35.9) but costs 3.4× as much to run the benchmark ($1655 vs $482; premium vs mid-range cost classes). They are not alternatives at one budget: pick Muse Spark 1.3 (Xhigh) when you need intelligence above 35.9, and Claude Sonnet 5.5 (Low, Default Fallbac… when 35.9 is enough.

Metric	Claude Sonnet 5.5 (Low, Default Fallback)	Muse Spark 1.3 (Xhigh)	Difference
Intelligence (higher is better)	35.9	45.1	+25.6% Muse Spark 1.3 (Xhigh) is 25.6% more intelligent
Total AA cost (lower is better)	$482.13	$1,655.27	+243.3% Muse Spark 1.3 (Xhigh) is 3.4× more expensive
End-to-end time (lower is better)	5.85s	29.43s	+403.1% Muse Spark 1.3 (Xhigh) is 403.1% slower
Price per 1M tokens (in / out)	$2.00 / $10.0	$1.25 / $4.25
Input modalities	Text, Image	Text, Image, Video

Muse Spark 1.3 (Xhigh) vs Claude Sonnet 5.5 (Low, Default Fallback): 25.6% more intelligence, 243.3% more cost to run the AA benchmark, and 403.1% slower end-to-end.

Open this matchup in the interactive picker Claude Sonnet 5.5 (Low, Default Fallback): what beats it Muse Spark 1.3 (Xhigh): what beats it

Today's Pareto frontier

Against the frontier

Claude Sonnet 5.5 (Low, Default Fallback) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
Muse Spark 1.3 (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.

Claude Sonnet 5.5 (Low, Default Fallback)Muse Spark 1.3 (Xhigh)Today's Pareto frontierEvery other model

Matchup

Compare something else

Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-sonnet-5-5-low/muse-spark-1-3-xhigh · Markdown: /api/v1/compare/claude-sonnet-5-5-low/muse-spark-1-3-xhigh?format=md · llms.txt · agent skill