GPT-6.1 Sol vs Space Bunny Alpha (Stealth)

A direct, empirical evaluation of GPT-6.1 Sol (OpenAI) against Space Bunny Alpha (Stealth) (MiniMax (Unannounced Stealth Release via OpenRouter)).

GPT-6.1 Sol

Developed by OpenAI · Proprietary Frontier Workhorse Engine parameters

Near-Astra reasoning at 1/5th price ($1.25/$5.00), SWE-bench Verified 74.8%, OSWorld 2.0 desktop agent automation, and sub-80ms Ultrafast Mode.

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 GPT-6.1 Sol Space Bunny Alpha (Stealth)
SWE-bench Verified 74.8% 65.4%
MMLU-Pro 92.4% 86.2%
MATH-500 96.2% 92.8%
Context Window 1,000,000 tokens 1,000,000 tokens
Input Pricing (per 1M) $1.25 $0.00
Output Pricing (per 1M) $5.00 $0.00