Pick a winner in each dimension — change your vote anytime.
Pricing and capabilities synced from the OpenRouter catalogue. Scores are editorial (0–10).
Choose DeepSeek R1 (0528) if you want reasoning-heavy planning where cost matters. Choose GPT-5.6 Sol if you want hard coding and research tasks for teams in the OpenAI ecosystem.
In our editorial scoring, GPT-5.6 Sol leads in 4 of five dimensions (output quality, agentic ability, speed and reliability), while DeepSeek R1 (0528) leads in 1. On price, DeepSeek R1 (0528) runs about $0.99 per 1M tokens (blended) and is open-weight; GPT-5.6 Sol is about $13 and proprietary.
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.