ElevenLabs Eleven V4 & V4 Turbo vs TypeSafe AI Jev
A direct, empirical evaluation of ElevenLabs Eleven V4 & V4 Turbo (ElevenLabs) against TypeSafe AI Jev (TypeSafe AI (Diogo Almeida)).
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.
TypeSafe AI Jev
Developed by TypeSafe AI (Diogo Almeida) · Non-Autoregressive System 1 Transformer parameters
Sub-15ms operational tasks, 100% schema-valid JSON extraction, deterministic tool dispatch, and high-throughput agent routing.
| Metric | ElevenLabs Eleven V4 & V4 Turbo | TypeSafe AI Jev |
|---|---|---|
| SWE-bench Verified | 0% | 68.4% |
| MMLU-Pro | 0% | 84.6% |
| MATH-500 | 0% | 91.2% |
| Context Window | 128,000 characters | 32,000 tokens |
| Input Pricing (per 1M) | $0.15 | $0.06 |
| Output Pricing (per 1M) | $0.30 | $0.12 |