OpenAI / openai/gpt-5.2-codex

GPT-5.2-Codex - access through LLMTR

Very strong for code editing, debugging, and tool-driven software engineering workflows. Especially well suited to interactive coding products and developer tools.

Technical specifications

Canonical IDopenai/gpt-5.2-codex
ProviderOpenAI
Context window400,000 tokens
OperationsRESPONSES
Modalitiestext, image

Pricing

A 6% platform margin applies to credit top-ups; model usage prices are not separately marked up.

OperationMetricUnitPrice
RESPONSESINPUT_TEXTPER_1M_TOKENS$1.75
RESPONSESCACHE_READPER_1M_TOKENS$0.175000
RESPONSESOUTPUT_TEXTPER_1M_TOKENS$14.00

Example usage

With existing OpenAI SDK flows, change only the base URL and model identifier.

curl https://llmtr.com/v1/chat/completions \
  -H "Authorization: Bearer llmtr-your_key" \
  -H "Content-Type: application/json" \
  -d '{"model":"openai/gpt-5.2-codex","messages":[{"role":"user","content":"Hello"}]}'

Related models