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Captcha Verification Failure on First Chat

Bug Reports

I’m encountering an issue where every time I start a new chat, I receive the following error message: "Captcha verification failed. Please refresh and try again. Click here to learn more." This occurs specifically during the first chat session, and it prevents me from proceeding with the conversation until I refresh the page. Subsequent chats seem to work fine, but this issue consistently appears when initiating a new chat.

Steps to Reproduce:

  • search https://t3.chat in your brave browser address bar which brave shield enabled.

  • Start a new chat; for example say 'hi'.

  • Wait for the captcha to appear.

  • Observe the "Captcha verification failed" message.

  • Refresh the page to resolve.

Expected Behavior:

  • Captcha verification should not fail during the first chat initiation.

Note:
I experienced the expected behavior after disabling the Brave shield for t3.chat, but it's strange that the issue was resolved after a reload.

Environment:

  • Browser:

    • Brave Browser 133.1.75.178

  • OS:

    • Linux 6.13.2-arch1-1 #1 SMP PREEMPT_DYNAMIC Sat, 08 Feb 2025 18:54:55 +0000 x86_64 GNU/Linux

Status: Completed21 comments

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Comments21

  • Mark Florkowski

    Team

    It is an “invisible” captcha. Those are some weird errors though, what browser is this?

    • Crimson Shark

      Arc browser, Chrome having same issue. Could be due to some network/firewall issue.

      • Mark Florkowski

        Team

        Yeah it seems like the requests to cloudflare which are part of the check are being blocked. Would look to see if there is a way you can whitelist challenges.cloudflare.com in your firewall

  • Gold Beaver

    not just in brave browser also in zen and arc

  • Harlequin Meteorite

    This is happening to me in firefox

  • Mark Florkowski

    Team

    it is an invisible captcha, so you will never be prompted. This usually occurs with adblock or other extensions that mess with network requests.

  • Purple Cake

    using Safari Technology Preview Release 212 (Safari 18.2, WebKit 20621.1.10.111.2)

  • Purple Cake

    looks like duplicate of

    https://feedback.t3.chat/p/failed-to-verify-your-browser-slightlyfrowningface

  • Yellow Flamingo

    Does it work in Chrome with everything else the same(PC, net)?

  • Purple Wombat

    I am getting this on Chrome, but if I wait a while, it usually works. Need this NOW.

  • Salmon Jaguar

    Same here using Brave. On safari it works just fine

  • Salmon Jaguar

    It also keeps some ghost typing indicators randomly too