OpenAI

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GPT-5.3 Codex

GPT-5.3 Codex 是 OpenAI 面向代理式编码的高能力模型，结合 GPT-5.2 Codex 的软件工程能力和更广泛的推理、专业知识能力，适合多语言编码、终端任务和真实计算机使用场景。

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Reference pricing

Imported snapshot values per 1M tokens. Your customer portal is authoritative for actual kineticRouter billing.

ComponentMirrored snapshotOfficial referenceSnapshot savings
Input$0.2625/M$1.75/M85%
Output$2.1/M$14/M85%
Cache read$0.02625/M$0.175/M85%

API example

Use the OpenAI-compatible kineticRouter route with GPT-5.3 Codex.

curl https://api.kineticrouter.com/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $KINETICROUTER_API_KEY" \
  -d '{
    "model": "openai/gpt-5.3-codex",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

About this model

GPT-5.3 Codex 是 OpenAI 面向代理式编码的高能力模型，结合 GPT-5.2 Codex 的软件工程能力和更广泛的推理、专业知识能力，适合多语言编码、终端任务和真实计算机使用场景。