Kimi K3 cooked GPT-5.6 Sol
I tested both models on physics and 3D generation.
Same prompts, same harness and Kimi outperformed GPT-5.6 Sol by far, it was not even close.
Total cost:
- Kimi K3: $0.23
- GPT-5.6 Sol: $2.15
Kimi was ~9.3x cheaper and produced better results.