Claude Opus 5.5 vs ElevenLabs Eleven V4 & V4 Turbo

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

Claude Opus 5.5

Developed by Anthropic · Proprietary Frontier Reasoner parameters

Autonomous enterprise codebase migrations, GitHub Copilot multi-file edits, SWE-bench Pro issue resolution (89.9%), and CodeRabbit automated reviews.

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 Opus 5.5 ElevenLabs Eleven V4 & V4 Turbo
SWE-bench Verified 89.9% 0%
MMLU-Pro 92.4% 0%
MATH-500 97.2% 0%
Context Window 500,000 tokens 128,000 characters
Input Pricing (per 1M) $4.00 $0.15
Output Pricing (per 1M) $20.00 $0.30