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GPT-5.3 Codex

GPT-5.3 Codex

OpenAI 目前最強的 agentic coding 模型。

Agentic Coding推理控制長鏈路任務

上下文窗口

400,000

GPT-5.3 Codex

最大輸出

128,000

1M tokens

輸入

$1.75

輸出

$14

模型代碼gpt-5.3-codex

試玩區

gpt-5.3-codex

暫無輸出

定價

方案上下文窗口最大輸出輸入輸出緩存寫入緩存讀取
GPT-5.3 Codex
400,000128,000
$1.75
$14
-
$0.175

該價格爲 OpenAI 官方 GPT-5.3 Codex 定價。

緩存輸入價格適用於複用的提示詞 tokens。

緩存讀取或緩存輸入價格適用於複用的提示詞 tokens。

README

GPT-5.3 Codex 是 OpenAI 面向 Codex 類環境的編程專用模型,針對長鏈路軟件任務、智能體編碼流程和更強的推理控制能力進行了優化。
  • OpenAI 將 GPT-5.3-Codex 描述爲其目前最強的 agentic coding 模型。
  • 它針對 Codex 或類似環境中的編碼任務進行了優化,並支持 `low`、`medium`、`high` 和 `xhigh` 推理設置。
  • 它最適合長時間運行的軟件任務、智能體式代碼工作流,以及需要專門編程模型而非通用聊天模型的產品。

API

查看 API 文檔以獲取請求格式、參數說明和集成方式。

OpenAI 目前最強的 agentic coding 模型。

模型代碼

gpt-5.3-codex

查看 API 文檔

API

端點

POST /v1/responses

認證

Authorization: Bearer YOUR_REACH_API_KEY
Content-Type: application/json

示例

curl -X POST "https://direct.reachapi.ai/v1/responses" \
  -H "Authorization: Bearer YOUR_REACH_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "YOUR_MODEL_ID",
    "input": "Introduce ReachAPI in one sentence.",
    "temperature": 0.2
  }'

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