Claude4 Super slow and laggy

Discussions
1

I signed up for a $200 membership.
But it’s still laggy. Sometimes the response time is more than 10 minutes.
It wasn’t like this before. What’s the problem? It’s laggy now and can’t work. I’m from Hong Kong.

2

Is there an administrator? I submitted an account and need you to check the reason for me.

3

Same issue

4

Hi @Katelin_Ramlall and @Phong_Pham_Van please fill in a full bug report so your issue can be analyzed.

While sometimes Anthropic may have high load, there is no slowdown from Cursor itself on any plan.

You can also check your network connection, go to Cursor > Settings > Network > Run Diagnostics and report here the results.

5

I encountered the same issue, and the result wasn’t as good as it was a month ago

6

@bicendinh do you have the same issue now? Could you also please provide more information so this can be checked?

8

Same issue here.
I got every time this message:
We’re having trouble connecting to the model provider. This might be temporary - please try again in a moment.
Request ID: 630f1d29-efb0-454f-b0aa-9de4e7c921c4

Here is the network details:
[2025-07-17T10:43:22.770Z] Host: api2.cursor.sh [2025-07-17T10:43:22.770Z] Servers: 62.36.225.150,62.37.228.20,10.0.0.49 [2025-07-17T10:43:22.770Z] Resolved to 3.214.18.227 in 23ms [2025-07-17T10:43:22.772Z] Resolved to 3.214.18.227 in 1ms [2025-07-17T10:43:22.773Z] Resolved to 3.214.18.227 in 1ms [2025-07-17T10:43:22.774Z] Resolved to 3.214.18.227 in 0ms [2025-07-17T10:43:22.779Z] Host: api2.cursor.sh [2025-07-17T10:43:22.779Z] Servers: system [2025-07-17T10:43:22.779Z] Resolved to 54.208.136.244, 52.202.244.103, 54.210.44.110, 3.229.196.141, 52.5.51.239, 3.214.18.227, 54.237.58.74, 44.207.98.12 in 4ms [2025-07-17T10:43:22.780Z] Resolved to 54.208.136.244, 52.202.244.103, 54.210.44.110, 3.229.196.141, 52.5.51.239, 3.214.18.227, 54.237.58.74, 44.207.98.12 in 0ms [2025-07-17T10:43:22.781Z] Resolved to 54.208.136.244, 52.202.244.103, 54.210.44.110, 3.229.196.141, 52.5.51.239, 3.214.18.227, 54.237.58.74, 44.207.98.12 in 0ms [2025-07-17T10:43:22.781Z] Resolved to 54.208.136.244, 52.202.244.103, 54.210.44.110, 3.229.196.141, 52.5.51.239, 3.214.18.227, 54.237.58.74, 44.207.98.12 in 0ms [2025-07-17T10:43:22.781Z] Result: true

HTTP/2

[2025-07-17T10:43:22.743Z] Start [2025-07-17T10:43:22.972Z] Host: api2.cursor.sh [2025-07-17T10:43:22.972Z] Protocol: h2 [2025-07-17T10:43:22.972Z] Result: true in 229ms

SSL

[2025-07-17T10:43:22.743Z] Start [2025-07-17T10:43:23.063Z] URL: https://api2.cursor.sh/ [2025-07-17T10:43:23.063Z] Status: 200 [2025-07-17T10:43:23.063Z] IP: 3.214.18.227 [2025-07-17T10:43:23.063Z] Issuer: C=US; O=Amazon; CN=Amazon RSA 2048 M03 [2025-07-17T10:43:23.063Z] Name: api2.cursor.sh [2025-07-17T10:43:23.063Z] AltName: DNS:api2.cursor.sh, DNS:prod.authentication.cursor.sh, DNS:*.api2.cursor.sh [2025-07-17T10:43:23.063Z] DNS Time: 13ms [2025-07-17T10:43:23.063Z] Connect Time: 106ms [2025-07-17T10:43:23.063Z] TLS Time: 99ms [2025-07-17T10:43:23.063Z] Result: true in 320ms

API

[2025-07-17T10:43:22.744Z] Start [2025-07-17T10:43:22.871Z] Result: true

Ping

[2025-07-17T10:43:22.745Z] Sending ping 1 [2025-07-17T10:43:22.873Z] Response: ‘ping’ in 128ms [2025-07-17T10:43:22.873Z] Sending ping 2 [2025-07-17T10:43:22.975Z] Response: ‘ping’ in 102ms [2025-07-17T10:43:22.976Z] Sending ping 3 [2025-07-17T10:43:23.082Z] Response: ‘ping’ in 106ms [2025-07-17T10:43:23.082Z] Sending ping 4 [2025-07-17T10:43:23.182Z] Response: ‘ping’ in 100ms [2025-07-17T10:43:23.182Z] Sending ping 5 [2025-07-17T10:43:23.293Z] Response: ‘ping’ in 111ms [2025-07-17T10:43:23.293Z] Result: true

Chat

[2025-07-17T10:43:22.746Z] Starting stream [2025-07-17T10:43:22.874Z] Response: ‘foo’ in 126ms [2025-07-17T10:43:23.873Z] Response: ‘foo’ in 999ms [2025-07-17T10:43:24.964Z] Response: ‘foo’ in 1091ms [2025-07-17T10:43:25.914Z] Response: ‘foo’ in 950ms [2025-07-17T10:43:26.914Z] Response: ‘foo’ in 1000ms [2025-07-17T10:43:27.916Z] Result: true

Agent

[2025-07-17T10:43:22.748Z] Starting stream [2025-07-17T10:43:22.748Z] Pushing first message [2025-07-17T10:43:22.874Z] Response: ‘foo’ in 126ms [2025-07-17T10:43:23.374Z] Pushing next message [2025-07-17T10:43:23.475Z] Response: ‘foo’ in 601ms [2025-07-17T10:43:23.981Z] Pushing next message [2025-07-17T10:43:24.076Z] Response: ‘foo’ in 601ms [2025-07-17T10:43:24.578Z] Pushing next message [2025-07-17T10:43:24.676Z] Response: ‘foo’ in 600ms [2025-07-17T10:43:25.179Z] Pushing next message [2025-07-17T10:43:25.273Z] Response: ‘foo’ in 597ms [2025-07-17T10:43:25.273Z] Result: true

Marketplace

[2025-07-17T10:43:22.742Z] Host: marketplace.cursorapi.com [2025-07-17T10:43:23.082Z] Response in 340ms [2025-07-17T10:43:23.082Z] Response: 200 [2025-07-17T10:43:23.082Z] Response Type: cors [2025-07-17T10:43:23.082Z] Server: null [2025-07-17T10:43:23.082Z] Result: OK in 340ms

9

@OscarBlanco there was an temporary outage with Anthropic.

10

You can blame amazon for launching there IDE and having Claude 4 free lol