Currently, the private network VPC, subnet, routing table, security group, ACL, ENIC and ET gateway of Baidu AI Cloud are free of charge.

Billing of NAT Gateway

Billing Mode

• The annul/monthly billing utilizes the prepayment mode. If you purchase the annul services now, you can enjoy a 17% discount.
• The on-demand billing utilizes the postpayment mode, and the fees are billed according to the NAT gateway period.

NAT Gateway Type

• A small NAT gateway supports binding of a maximum of 5 public network IPs, with the maximum connections of about 10,000, and the maximum forwarding capability of 1Gbps;
• A medium NAT gateway supports binding of a maximum of 10 public network IPs, with the maximum connections of about 50,000, and the maximum forwarding capability of 2Gbps;
• A large NAT gateway supports binding of a maximum of 15 public network IPs, with the maximum connections of about 200,000, and the maximum forwarding capability of 5Gbps.

Prepaid Billing Price

Region	Small (Yuan/Piece/Month)	Medium (Yuan/Piece/Month)	Large (Yuan/Piece/Month)
North China-Beijing, North China-Baoding, East China- Suzhou, East China- Shanghai, South China-Guangzhou	330	660	1320
Hong Kong	450	870	1680
Finance Central China - Wuhan	429	858	1716
Singapore	528	1056	2112

On-demand Billing Price

Region	Small (Yuan/Piece/Minute)	Medium (Yuan/Piece/Minute)	Large (Yuan/Piece/Minute)
North China-Beijing, North China-Baoding, East China- Suzhou, East China- Shanghai, South China-Guangzhou	0.0083	0.0167	0.0333
Hong Kong	0.0117	0.0233	0.0467
Finance Central China - Wuhan	0.0108	0.0217	0.0433
Singapore	0.0133	0.0267	0.0533

Notes

• For the on-demand billing (postpayment) mode, the fees are billed by minute. The time less than 1 minute shall be taken as 1 minute;
• Charge by hour (once an hour Beijing time) and generate a bill. Billing time is within 1 hour after the end of the current billing cycle. For example, a bill from 10:00 to 11:00 will be generated before 12:00, which is subject to the billing time of the system.
• Before purchasing instance, you need to guarantee that there is no debt in the account, and that the sum of account balance and available coupon is greater than or equal to 100 CNY.

Billing of VPN Gateway

Charging Mode

• The annul/monthly charging utilizes the prepayment mode. If you purchase the annul services now, you can enjoy a 17% discount.
• The on-demand billing utilizes the postpayment mode, and the fees are billed according to the VPN gateway period.

Prepaid Billing Price

Use the prepaid mode, the yearly package of which enjoys a 17% discount.

Region	Instance (Yuan/Piece/Month)
North China-Beijing, North China-Baoding, East China- Suzhou, East China- Shanghai, South China-Guangzhou	240
Hong Kong, Singapore	330
Finance Central China - Wuhan	312

On-demand Billing Price

Region	Instance (Yuan/Piece/Minute)
North China-Beijing, North China-Baoding, East China- Suzhou, East China- Shanghai, South China-Guangzhou	0.0078
Hong Kong, Singapore	0.0107
Finance Central China - Wuhan	0.0101

Billing of Peer-to-peer Connection

The peer-to-peer connection fees are paid by the account of the peer-to-peer connection initiator. The user selects the billing mode when creating a peer-to-peer connection. The billing starts only after the connection negotiation is successful and enters the status of "Available". If the connection negotiation fails, the fees paid by the user will be refunded to the original account.

The peer-to-peer connection service supports the connection in the same region and the cross-region connection. The billing modes are different:

• Same region: Free connection.
• Cross-region billing: There are two purchase methods of annual/monthly billing and on-demand billing. The block and tiered pricing is utilized. For the details of bandwidth specifications and inter-regional prices, refer to the Table below. If you purchase the annul services now, you can enjoy a 17% discount.

Prepaid Billing Price

Specification (Mbps)	Chinese Mainland - Chinese Mainland (Yuan/Month/Mbps)	Hong Kong - Singapore (Yuan/Month/Mbps)
1-5	500	280
5-20	260	200
20-100	140	180
100-500	80	130
500-1000	50	120

Take the purchase of peer-to-peer connection of Beijing - Suzhou region, the monthly fees of 100Mbps bandwidth are: `5005+260(20-5)+140*(100-20)=17600 Yuan

On-demand Billing Price

Specification (Mbps)	Chinese Mainland - Chinese Mainland (Yuan/Mbps/Day)	Hong Kong - Singapore (Yuan/Mbps/Day)
1-5	25	14
5-20	13	10
20-100	7	9
100-500	4	6.5
500-1000	2.5	6

Note

• For the on-demand billing (postpaid) mode, the bandwidth is billed according to the daily peak bandwidth and the duration less than one day is counted as one day.
• The computing mode for the daily peak bandwidth is: The acquisition is made once every 5 minutes, and the maximum value of egress and ingress bandwidth on the day is taken as the daily peak bandwidth.
• Charge by day (once 00:00 of Beijing time) and generate a bill. The billing time is within 1 day after the end of the current billing period, and subject to the billing time of the system.
• Before purchasing instance, you need to guarantee that there is no debt in the account, and that the sum of account balance and available coupon is greater than or equal to 100 CNY.

Billing of IPv6 Gateway

IPv6 gateway supports the post-paid - Bill by Bandwidth and post-paid - Bill by Traffic.

Bill-by-Bandwidth Price

Bandwidth price of North China - Beijing, North China - Baoding, South China - Guangzhou, East China - Suzhou, East China - Shanghai, Hong Kong and Singapore

Billing item	Specifications	Unit price (RMB/Mbps/minute)	Reference price（CNY/Mbps/hr ）
Bandwidth part of 1-5M	1-5Mbps	0.00094	0.0564
Bandwidth part of 5M-2000M	5-1000Mbps	0.00373	0.2238

• Bandwidth price of finance Central China-Wuhan

Billing item	Specifications	Unit price (RMB/Mbps/minute)	Reference price（CNY/Mbps/hr ）
Bandwidth part of 1-5M	1-5Mbps	0.00122	0.0732
Bandwidth part of 5M-2000M	5-1000Mbps	0.00485	0.291

Take the bandwidth purchased in North China-Beijing region as an example.

• Daily expense of 5M bandwidth is 0.0012*60*24*5= 8.64 CNY.
• Daily expense of 7M bandwidth is (0.0012*5+0.00375*(7-5))*60*24=19.44 CNY.

Bill by Traffic

Netraffic price of North China - Beijing, North China - Baoding, South China - Guangzhou, East China - Suzhou, East China - Shanghai, Hong Kong and Singapore.

Billing item	Unit price (RMB/GB)
Traffic	0.8

• Bandwidth price of finance Central China-Wuhan

Billing item	Unit price (RMB/GB)
Traffic	1.04

Billing of Service NIC

The Service NIC will be charged and fee deducted in real time by hour according to your usage time.

Note

• The service NIC will be charged normally after the completion of open Beta test on February 3, 2021.

Region	Instance （Yuan/each/hour ）
North China - Beijing, North China - Baoding, South China - Guangzhou, East China - Suzhou, East China - Shanghai	0.1
Hong Kong, Singapore	0.14
Finance Central China - Wuhan	0.13

Expiration Reminder and Processing

• Due reminders: The system will send you a reminder of being about to expire 7 days before the NAT gateway, VPN gateway and peer-to-peer connection services expire.
• Processing after expiration: The service is stopped immediately upon expiration, and the system sends a notice of stopping service due to arrearage. The data is kept for you for 7 days without charge during the period, and the data will be released without charged within 7 days. The system will send a release notice one day before and at the time of release.