# 5xgpt.com > Third-party ChatGPT Plus, ChatGPT Pro, Codex quota, and enterprise procurement assistance for overseas users. 5xgpt.com is independent and is not affiliated with, authorized by, or endorsed by OpenAI. ## Site - ChatGPT Pro recharge landing: https://www.5xgpt.com/ - Google Ads landing - ChatGPT Pro recharge assistance: https://www.5xgpt.com/gpt-pro-recharge/ - Google Ads landing - Plus to Pro upgrade assistance: https://www.5xgpt.com/plus-upgrade-pro/ - Google Ads landing - Codex Pro usage assistance: https://www.5xgpt.com/codex-pro/ - ChatGPT Pro 5x / 20x selection guide: https://www.5xgpt.com/chatgpt-pro/ - Codex quota and subscription guide: https://www.5xgpt.com/codex/ - Enterprise procurement: https://www.5xgpt.com/qiye-caigou/ - Blog: https://www.5xgpt.com/blog/ - Terms: https://www.5xgpt.com/terms/ - Privacy: https://www.5xgpt.com/privacy/ ## Developer Resources - 5xGPT developer resources: https://www.5xgpt.com/developers/ - 5xGPT OpenAPI 3.1 specification: https://www.5xgpt.com/openapi.json - Public JSON API: https://www.5xgpt.com/api/store and https://www.5xgpt.com/api/articles - Public HTML pages support Markdown negotiation with Accept: text/markdown. - API errors are JSON with errorCode, message, and resolution fields. - No public checkout API, webhook platform, SDK, or MCP server is currently offered. ## Important Notes - Service language: zh-CN. - The site provides third-party subscription assistance and support information. - Users should verify official product availability, pricing, and policies in their own OpenAI account before purchase. - Do not submit passwords, one-time verification codes, full bank card numbers, API keys, or unrelated sensitive company data. ## Blog Articles - Codex 如何设置 100 万 Token 上下文?GPT-5.6 Sol 长上下文配置教程: https://www.5xgpt.com/blog/codex-1m-context-window-gpt-56-sol-guide/ - ChatGPT Pro 每月 200 美元,Codex 额度却突然不够用?可能触发了账号风控: https://www.5xgpt.com/blog/chatgpt-pro-codex-quota-reduced-account-risk-control/ - GPT 降智怎么办?ChatGPT Pro 变成 mini 模型的原因与恢复方法: https://www.5xgpt.com/blog/chatgpt-pro-downgraded-to-mini-fix/ - ChatGPT Work 会消耗 Codex 额度吗:普通 Chat、Excel 与共享用量说明: https://www.5xgpt.com/blog/chatgpt-work-codex-shared-usage-limit-guide/ - GPT-5.6 已发布后怎么用:ChatGPT、Codex、API、Pro 档位与额度说明: https://www.5xgpt.com/blog/openai-gpt-56-thursday-update-rumor-guide/ - ChatGPT Plus 可以用 GPT-5.6 Sol 吗?Plus 与 Pro 权益差异说明: https://www.5xgpt.com/blog/gpt-56-chatgpt-pro-availability-guide/ - GPT-5.6 会是 5.x 最后一代吗?GPT-6、Mythos 与下半年 Scale Law 竞赛爆料: https://www.5xgpt.com/blog/gpt-56-gpt-6-rumors-scale-law-2026/ - ChatGPT 已付款但还是 Free 怎么办:Restore purchase、订阅关联账号与平台排查: https://www.5xgpt.com/blog/chatgpt-paid-but-still-free-restore-purchase-guide/ - Codex CLI 用 ChatGPT 订阅还是 API Key:/login、OPENAI_API_KEY 与费用归属说明: https://www.5xgpt.com/blog/codex-cli-chatgpt-subscription-api-key-billing-guide/ - Codex banked reset 怎么用:reset credits 过期时间、没看到按钮和 CLI 用户排查: https://www.5xgpt.com/blog/codex-banked-reset-expire-how-to-use/ - ChatGPT Plus 免费月会自动扣费吗:取消订阅、重复扣费与 App Store / Google Play 排查: https://www.5xgpt.com/blog/chatgpt-plus-free-trial-cancel-duplicate-charge-guide/ - Codex vs Claude Code:2026 年 AI 编程订阅额度和使用场景对比: https://www.5xgpt.com/blog/codex-vs-claude-code-ai-coding-subscription-2026/ - ChatGPT Pro 支付失败怎么办:Payment was not approved / subscription update failed 排查: https://www.5xgpt.com/blog/chatgpt-pro-payment-was-not-approved-subscription-update-failed/ - Codex 提示 You've hit your usage limit 怎么办:Plus、Pro、Credits 与重置时间说明: https://www.5xgpt.com/blog/codex-usage-limit-plus-pro-credits-reset-guide/ - ChatGPT Pro 5x 和 20x 怎么选:$100 / $200 档位、Codex 额度与适合人群: https://www.5xgpt.com/blog/chatgpt-pro-5x-20x-difference-guide/ - GPT-5.6 国内怎么开通?普通用户、API/Codex 和企业预览路径: https://www.5xgpt.com/blog/gpt-56-china-access-guide/ - GPT Pro 5x 够用吗?轻中度用户和 Codex 用户怎么判断: https://www.5xgpt.com/blog/gpt-pro-5x-enough-codex-guide/ - GPT-5.6 模型是什么?Sol、Terra、Luna 能力、价格和开放时间说明: https://www.5xgpt.com/blog/gpt-56-model-sol-terra-luna-guide/ - Codex 额度多久重置?每周用量、Token 消耗和模型降级怎么看: https://www.5xgpt.com/blog/codex-quota-reset-token-model-guide/ - Codex 用户需要买 ChatGPT Pro 吗?Plus、Pro 和额度差异说明: https://www.5xgpt.com/blog/codex-need-chatgpt-pro-guide/ - ChatGPT Pro 充值后不到账怎么办?常见原因和处理步骤: https://www.5xgpt.com/blog/chatgpt-pro-payment-not-received-guide/ - ChatGPT Pro 能开发票吗?个人报销和企业采购前要问清什么: https://www.5xgpt.com/blog/chatgpt-pro-invoice-guide/ - GPT Pro 可以用支付宝充值吗?适合国内用户的开通方式说明: https://www.5xgpt.com/blog/gpt-pro-alipay-recharge-guide/ - ChatGPT Pro 微信支付怎么弄?充值流程、到账时间和售后边界: https://www.5xgpt.com/blog/chatgpt-pro-wechat-pay-guide/ - ChatGPT Pro 代充安全吗?下单前必须确认的 8 个风险点: https://www.5xgpt.com/blog/chatgpt-pro-recharge-safety-risks/ - GPT Pro 企业采购怎么做?批量账号、对公付款、发票和合同清单: https://www.5xgpt.com/blog/gpt-pro-enterprise-procurement/ - GPT Pro 充值网站怎么选?价格、到账、发票和售后对比清单: https://www.5xgpt.com/blog/gpt-pro-recharge-sites-guide/ - ChatGPT Pro 充值需要提供密码吗?安全下单和隐私边界说明: https://www.5xgpt.com/blog/chatgpt-pro-password-safety/ - ChatGPT Pro 国内怎么开通?支付方式、账号检查和避坑指南: https://www.5xgpt.com/blog/chatgpt-pro-china-open-guide/ - ChatGPT Pro 续费失败怎么办?订单、账号和订阅状态排查: https://www.5xgpt.com/blog/chatgpt-pro-renewal-failed/ - Codex 新手实践指南:从 AGENTS.md 到 Skills,把文件夹变成 AI 工作区: https://www.5xgpt.com/blog/codex-beginner-practice-guide/ - 市面 GPT 代充网站对比:价格、到账、发票和赠送权益,别被割韭菜: https://www.5xgpt.com/blog/gpt-recharge-sites-comparison/ - Codex 不只是写代码:办公和知识工作流怎么用?: https://www.5xgpt.com/blog/codex-office-knowledge-workflows/ - Codex 是啥?充完 Plus 可以用 Codex 吗?: https://www.5xgpt.com/blog/what-is-codex-plus-access/ - Plus 未到期可以升级 Pro 吗?官方规则与升级前检查清单: https://www.5xgpt.com/blog/plus-upgrade-pro-before-expiry/ ## Contact - Support email: support@5xgpt.com - Sitemap: https://www.5xgpt.com/sitemap.xml