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 V3.2 if you want dependable open-weight output on a tight budget. Choose GPT-5.3-Codex if you want codex CLI users and dedicated coding agents.
In our editorial scoring, GPT-5.3-Codex leads in 3 of five dimensions (output quality, agentic ability and reliability), while DeepSeek V3.2 leads in 1. On price, DeepSeek V3.2 runs about $0.26 per 1M tokens (blended) and is open-weight; GPT-5.3-Codex is about $5.42 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.