Claude Sonnet 5.5 vs ElevenLabs Eleven V4 & V4 Turbo

A direct, empirical evaluation of Claude Sonnet 5.5 (Anthropic) against ElevenLabs Eleven V4 & V4 Turbo (ElevenLabs).

Claude Sonnet 5.5

Developed by Anthropic · Proprietary Frontier Dynamic Hybrid Reasoner parameters

Terminal-Bench 4.0 execution (70.6%), SWE-bench Verified coding (82.4%), GitHub Copilot multi-file edits, and low-latency autonomous agentic coding at $2/$10 pricing.

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.

Metric Claude Sonnet 5.5 ElevenLabs Eleven V4 & V4 Turbo
SWE-bench Verified 82.4% 0%
MMLU-Pro 88.4% 0%
MATH-500 95.2% 0%
Context Window 1,000,000 tokens 128,000 characters
Input Pricing (per 1M) $2.00 $0.15
Output Pricing (per 1M) $10.00 $0.30