ElevenLabs Eleven V4 & V4 Turbo vs Space Bunny Alpha (Stealth)

A direct, empirical evaluation of ElevenLabs Eleven V4 & V4 Turbo (ElevenLabs) against Space Bunny Alpha (Stealth) (MiniMax (Unannounced Stealth Release via OpenRouter)).

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.

Space Bunny Alpha (Stealth)

Developed by MiniMax (Unannounced Stealth Release via OpenRouter) · Proprietary Omni-Modal Frontier Architecture parameters

Massive 512K output codebases, single-shot 3D voxel world generation, native audio/video multimodal debugging, and high-context software synthesis.

Metric ElevenLabs Eleven V4 & V4 Turbo Space Bunny Alpha (Stealth)
SWE-bench Verified 0% 65.4%
MMLU-Pro 0% 86.2%
MATH-500 0% 92.8%
Context Window 128,000 characters 1,000,000 tokens
Input Pricing (per 1M) $0.15 $0.00
Output Pricing (per 1M) $0.30 $0.00