四大垂直领域 AI 助手，永久免费层 + ¥29/月起。比大厂 AI 服务便宜 80-95%，专业场景精调，效果更好。
Four vertical domain AI assistants, free tier forever + ¥29/mo. 80-95% cheaper than big tech, fine-tuned for professional scenarios.
💡 方案 A：统一档位
💡 Plan A: Unified Tiers
选择档位，决定用量上限。四款产品平等接入，无需分别订阅。
Choose tier to determine usage limits. All four products with equal access, no separate subscriptions needed.
永久免费
Forever Free
小团队入门
Small Teams
中小企业
SMEs
大规模定制
Large Scale
✓ 私有化部署
✓ Private Deployment
✓ 定制模型训练
✓ Custom Model Training
✓ 7×24 技术支持
✓ 24/7 Support
不会。Free 层永久有效，仅有每月用量限制。无需绑定信用卡，随时可升级。
No. The Free tier is valid forever with only monthly usage limits. No credit card required, upgrade anytime.
7天内无理由退款。联系 xuanchen.wu@hotmail.com 处理。
7-day no-questions-asked refund. Contact xuanchen.wu@hotmail.com to process.
发送邮件，我们 24 小时内回复
Send an email, we'll reply within 24 hours
xuanchen.wu@hotmail.com