Gemini 3.8 Flash TTS vs Space Bunny Alpha (Stealth)
A direct, empirical evaluation of Gemini 3.8 Flash TTS (Google DeepMind) against Space Bunny Alpha (Stealth) (MiniMax (Unannounced Stealth Release via OpenRouter)).
Gemini 3.8 Flash TTS
Developed by Google DeepMind · Proprietary Multimodal Acoustic Flow Matching Transformer parameters
High-fidelity expressive podcasts, interactive video game dialogues, scripted multi-speaker conversations, and prompt-designed custom character voices.
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 | Gemini 3.8 Flash TTS | Space Bunny Alpha (Stealth) |
|---|---|---|
| SWE-bench Verified | 64.2% | 65.4% |
| MMLU-Pro | 88.5% | 86.2% |
| MATH-500 | 91% | 92.8% |
| Context Window | 128,000 characters input dialogue script | 1,000,000 tokens |
| Input Pricing (per 1M) | $0.15 | $0.00 |
| Output Pricing (per 1M) | $15.00 | $0.00 |