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Codex API

Codex API provides AI model access through OpenAI-compatible endpoints with support for Claude, GPT, and Gemini models.

OpenAIGPT-5.4

Codex API offers 10 LLM API models.

API pricing per token ranges from $0.750 to $3.00/M (input).

Speed benchmark average: 53 tok/s.

Codex API interface preview
Avg Speed52.55 tok/s
Latency3.21 s
Total Tests5
Models1
Updated4/17/2026
Created At4/8/2026
Website

API Endpoints

  • codex.ai02.cn

Leaderboard Rankings

Health
100.0%#7/100
OverviewPerformance1Pricing10Tests5HealthEmbed

Recent Test Records

TimeModelSpeedLatency
Apr 8, 02:28 AM
OpenAIgpt-5.4
52.55 tok/s
3.21s