v0.1 · updated Sep 23, 2026
Independent benchmarks for AI browser agents
Real tasks on live websites. We measure which agents get through, how fast, and where sites stop them.
signed in · Sep 23, 2026 · 4 agents
Can your AI agent check out on Amazon?→
seconds, homepage to checkoutseconds until it stopped
agentreached checkout?seconds
Instinctreached checkout37 s
Browser Usegpt-6-luna · lowreached checkout48 s
Grok Botrefused at the door–
Muserefused at the door–
as a guest · Sep 22, 2026 · 8 sites · 4 agents
Can your AI agent check out as a guest?→
siteMuse4 of 8Grok Bot3 of 8Browser Use2 of 8Instinct1 of 8
an agent got through5
Booking.comMuse: reachedGrok Bot: reachedBrowser Use: reachedInstinct: reached
Muse
Reached checkout
Grok Bot
Reached checkout
Browser Use
Reached checkout
Instinct
Reached checkout
KayakMuse: reachedGrok Bot: reachedBrowser Use: didn't finishInstinct: didn't finish
Muse
Reached checkout
Grok Bot
Reached checkout
Browser Use
Didn't finish, stuck at airline checkout
Instinct
Didn't finish, stuck at airline checkout
Book a Flight
ExpediaMuse: reachedGrok Bot: reachedBrowser Use: bot checkInstinct: bot check
Muse
Reached checkout
Grok Bot
Reached checkout
Browser Use
Bot check at the door
Show us your human side... · We can't tell if you're a human or a bot.
Instinct
Bot check at the door
Show us your human side... We can't tell if you're a human or a bot.
NikeMuse: reachedGrok Bot: site errorBrowser Use: site errorInstinct: didn't finish
Muse
Reached checkout
Grok Bot
Site error at search
We had an issue with your request. If you continue experiencing issues, try refreshing the page.
Browser Use
Site error at checkout
Error · Sorry, we had an issue with your request. Please try again. · [Code: AF8774E4 ]
Instinct
Didn't finish, stuck at the cart
There are no items in your bag.
Best BuyMuse: silent blockGrok Bot: silent blockBrowser Use: reachedInstinct: silent block
Muse
Silent block on the item page
Clicking three different product links (NOCO XC3 10FT, NOCO XGrid XC3 sponsored result, Best Buy essentials 10' USB-C cable) all produced a browser error page: 'This site can't be reached ... ERR_HTTP2_PROTOCOL_ERROR'.
Grok Bot
Silent block on the item page
This site can't be reached — ERR_HTTP2_PROTOCOL_ERROR
Browser Use
Reached checkout
Instinct
Silent block on the item page
This site can’t be reached
no agent got through3
CostcoMuse: sign-in wallGrok Bot: sign-in wallBrowser Use: sign-in wallInstinct: didn't finish
Muse
Sign-in wall at checkout
Sign In. Email Address. Password. Sign In. Need an account? Create Account. Not a Costco member? Join Today! Non-members will be assessed a 5% surcharge on orders.
Grok Bot
Sign-in wall at checkout
Sign In — Email Address — Password
Browser Use
Sign-in wall at checkout
Sign In · Email Address · visibility · Password · Forgot Password?
Instinct
Didn't finish, stuck at the cart
2-Day Delivery Out of Stock
AmazonMuse: policy blockGrok Bot: sign-in wallBrowser Use: sign-in wallInstinct: sign-in wall
Muse
Policy block at the door
Continued access by an unauthorized AI agent violates Amazon's Conditions of Use, to which our customers agree.
Grok Bot
Sign-in wall at checkout
Sign in or create account
Browser Use
Sign-in wall at checkout
Sign in or create account · Enter mobile number or email
Instinct
Sign-in wall at checkout
Sign in or create account
WalmartMuse: sign-in wallGrok Bot: bot checkBrowser Use: sign-in wallInstinct: sign-in wall
Muse
Sign-in wall at checkout
Sign in or create your account. Not sure if you have an account? Enter your phone number or email and we'll check for you. Phone number or email (required). Continue
Grok Bot
Bot check at search
Robot or human? Activate and hold the button to confirm that you’re human. Thank You!
Browser Use
Sign-in wall at checkout
Sign in or create your account · Not sure if you have an account? Enter your phone number or email and we'll check for you.
Instinct
Sign-in wall at checkout
Sign in or create your account
as a guest · Sep 22, 2026 · 2 sites · 4 agents
Can your AI agent access X or Reddit?→
siteMuse0 of 2Grok Bot0 of 2Browser Use0 of 2Instinct0 of 2
no agent got through2
XMuse: sign-in wallGrok Bot: sign-in wallBrowser Use: sign-in wallInstinct: sign-in wall
Muse
Sign-in wall at search
Happening now. Select an option below: Continue with phone, Continue with Google, Continue with Apple, or Email or username. By continuing, you agree to our Terms of Service and Privacy Policy and Cookie Use.
Grok Bot
Sign-in wall at search
See what's happening
Browser Use
Sign-in wall at search
See what's happening · Select an option below: · Continue with phone · Continue with Google · Continue with Apple · or · Email or username · Continue
Instinct
Sign-in wall at search
See what's happening Select an option below:
RedditMuse: sign-in wallGrok Bot: sign-in wallBrowser Use: didn't finishInstinct: sign-in wall
Muse
Sign-in wall at the reply box
New to Reddit? Create your account and connect with a world of communities. The comment box (Button to add a comment) is disabled; a Sign Up dialog asking to create an account appeared.
Grok Bot
Sign-in wall at the reply box
Join the conversation
Browser Use
Didn't finish, stuck at the door
Prove your humanity · We’re committed to safety and security. But not for bots. Complete the challenge below and let us know you’re a real person.
Instinct
Sign-in wall at the reply box
Log In