ElevenLabs Eleven V4 & V4 Turbo vs Muse Spark 1.3 (xhigh)

A direct, empirical evaluation of ElevenLabs Eleven V4 & V4 Turbo (ElevenLabs) against Muse Spark 1.3 (xhigh) (Meta AI).

ElevenLabs Eleven V4 & V4 Turbo

Developed by ElevenLabs · Frontier Neural Acoustic Waveform Transformer parameters

Real-time conversational voice agents (<80ms latency), 90-language studio voice cloning, granular emotional tags (<whisper>, <shout>), and 48kHz production voice synthesis.

Muse Spark 1.3 (xhigh)

Developed by Meta AI · Proprietary Multimodal parameters

Autonomous codebase refactoring, terminal execution, million-token long context retrieval, and agentic workflows.

Metric ElevenLabs Eleven V4 & V4 Turbo Muse Spark 1.3 (xhigh)
SWE-bench Verified 0% 75.4%
MMLU-Pro 0% 88.4%
MATH-500 0% 94.8%
Context Window 128,000 characters 1,000,000 tokens
Input Pricing (per 1M) $0.15 $1.25
Output Pricing (per 1M) $0.30 $5.00