ElevenLabs Eleven V4 & V4 Turbo vs GPT-Image-2.5 (Sunburst)
A direct, empirical evaluation of ElevenLabs Eleven V4 & V4 Turbo (ElevenLabs) against GPT-Image-2.5 (Sunburst) (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-Image-2.5 (Sunburst)
Developed by OpenAI · Proprietary Multimodal DiT parameters
High-fidelity typographic rendering, raytracing reflection accuracy, sketch-to-image conditioning, and localized comment inpainting.
| Metric | ElevenLabs Eleven V4 & V4 Turbo | GPT-Image-2.5 (Sunburst) |
|---|---|---|
| SWE-bench Verified | 0% | 62.4% |
| MMLU-Pro | 0% | 89.5% |
| MATH-500 | 0% | 91.2% |
| Context Window | 128,000 characters | Spatial Vector Token Canvas (1792×1024) |
| Input Pricing (per 1M) | $0.15 | $2.50 |
| Output Pricing (per 1M) | $0.30 | $10.00 |