ElevenLabs Eleven V4 & V4 Turbo vs GPT-6 Astra
A direct, empirical evaluation of ElevenLabs Eleven V4 & V4 Turbo (ElevenLabs) against GPT-6 Astra (OpenAI).
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.
GPT-6 Astra
Developed by OpenAI · Proprietary Frontier parameters
Complex multi-step engineering, formal math proofs, autonomous computer/browser navigation, and CAD synthesis.
| Metric | ElevenLabs Eleven V4 & V4 Turbo | GPT-6 Astra |
|---|---|---|
| SWE-bench Verified | 0% | 79.4% |
| MMLU-Pro | 0% | 91.2% |
| MATH-500 | 0% | 98.6% |
| Context Window | 128,000 characters | 1,050,000 tokens |
| Input Pricing (per 1M) | $0.15 | $10.00 |
| Output Pricing (per 1M) | $0.30 | $50.00 |