Pick a winner in each dimension — change your vote anytime.
Pricing and capabilities synced from the OpenRouter catalogue. Scores are editorial (0–10).
Choose GPT-5.6 Sol if you want hard coding and research tasks for teams in the OpenAI ecosystem. Choose Kimi K2.6 if you want a flagship-feel open-weight generalist.
In our editorial scoring, GPT-5.6 Sol leads in 3 of five dimensions (output quality, agentic ability and reliability), while Kimi K2.6 leads in 2. On price, GPT-5.6 Sol runs about $13 per 1M tokens (blended) and is proprietary; Kimi K2.6 is about $1.86 and open-weight.
The model picks the moves; the agent runs the loop, the tools, and the guardrails. Once you've chosen a model, see which agent gets the most out of it.