Aleph Alpha Kolibri vs Space Bunny Alpha (Stealth)

A direct, empirical evaluation of Aleph Alpha Kolibri (Aleph Alpha) against Space Bunny Alpha (Stealth) (MiniMax (Unannounced Stealth Release via OpenRouter)).

Aleph Alpha Kolibri

Developed by Aleph Alpha · 78.2 Billion Total Parameters (32 routed experts + 2 shared experts) parameters

EU AI Act and GDPR compliant enterprise deployments, European legal and technical translation, 1M context long-document analysis, and 3.46B parameter active inference efficiency.

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 Aleph Alpha Kolibri Space Bunny Alpha (Stealth)
SWE-bench Verified 62.8% 65.4%
MMLU-Pro 86.4% 86.2%
MATH-500 92.4% 92.8%
Context Window 1,048,576 tokens (1M) 1,000,000 tokens
Input Pricing (per 1M) $0.18 $0.00
Output Pricing (per 1M) $0.55 $0.00