OpenAI's upgraded high-end GPT-6.1 tier, positioned below the flagship GPT 6 Astra.
MoonshotAI's large MoE model — 1T total parameters, 32B active.
No shared demos for these models yet.
No captured outputs for these models yet.
Both GPT 6.1 Sol and Kimi K2 are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.
Kimi K2 has a lower blended cost. GPT 6.1 Sol: $2.00 input / $10.00 output. Kimi K2: $0.57 input / $2.30 output.
GPT 6.1 Sol has a larger context window: GPT 6.1 Sol supports 1.1M tokens vs Kimi K2 at 131K tokens.
GPT 6.1 Sol supports vision/image input, but Kimi K2 does not.
Key differences: Kimi K2 is significantly cheaper; only GPT 6.1 Sol supports vision input; only GPT 6.1 Sol offers extended reasoning mode. Compare full specs on this page.
If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both GPT 6.1 Sol and Kimi K2 for free on idapt.app to see which performs better for your specific needs.