GPT-5.3 Codex vs Kimi K2-Thinking-0905 Comparison: Benchmarks, Pricing, and Performance

This page provides a comprehensive comparison between GPT-5.3 Codex by OpenAI and Kimi K2-Thinking-0905 by Moonshot AI. Compare benchmark scores, API pricing, context windows, latency, throughput, and other key metrics to determine which AI model best fits your needs.