AI Hub
← All models

GPT-5.1-Codex-Mini vs GPT-5.2-Codex

OpenAI vs OpenAI — benchmarks, pricing, and capabilities side by side.

  • GPT-5.2-Codex has the higher intelligence index (89.9 vs 84.7)
  • GPT-5.1-Codex-Mini is cheaper ($0.25 vs $1.75 per 1M input)
  • GPT-5.1-Codex-Mini is faster
GPT-5.1-Codex-MiniGPT-5.2-Codex
Intelligence index84.789.9
DeveloperOpenAIOpenAI
TypeMultimodalMultimodal
AccessAPI onlyAPI only
Context window400,000 tokens400,000 tokens
Input price$0.25 / 1M$1.75 / 1M
Output price$2.00 / 1M$14.00 / 1M
Speed175 tok/s106 tok/s
ReleasedNovember 13, 2025January 14, 2026
Parameters
Input modalitiesImage, TextText, Image
Output modalitiesTextText

Shared benchmarks

GPT-5.1-Codex-Mini
GPT-5.2-Codex
GPQA Diamond
81.3
89.9
Humanity’s Last Exam
16.9
33.5