Pick a winner in each dimension — change your vote anytime.
Pricing and capabilities synced from the OpenRouter catalogue. Scores are editorial (0–10).
Choose Grok 4.3 if you want frontier capability on a tighter budget. Choose Kimi K2.6 if you want a flagship-feel open-weight generalist.
In our editorial scoring, Kimi K2.6 leads in 3 of five dimensions (agentic ability, value for $ and reliability), while Grok 4.3 leads in 2. On price, Grok 4.3 runs about $1.63 per 1M tokens (blended) and is proprietary; Kimi K2.6 is about $1.49 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.