AT&T Business Fiber vs T-Mobile Business Internet

Two business internet tools side by side. Prices are the starting plan a small business would pick, in USD.

Compare	AT&T Business FiberAT&T	T-Mobile Business InternetT-Mobile
In one line	Fiber internet with equal upload and download speeds, no annual contract	5G fixed wireless internet with a 5-year price guarantee
Starting price	From $60/mo	From $35/mo
Six-person team	$60/mo	$35/mo
Plans	Per location, online-only prices plus taxes and fees, no annual contract: Fiber 300 $60/mo (listed against $70); Fiber 500 $100 ($110); 1 GIG $140 ($160); 2 GIG $185; 5 GIG $285. With an eligible AT&T business wireless plan, $20 to $50 off (300 for $40, 500 for $60, 1 GIG for $90, 2 GIG for $135, 5 GIG for $235), starting within 3 bills. No promo end date or later price shown; price and speeds vary by address. Wi-Fi gateway included, no equipment fees, no data caps; $99 installation waived (bill credit) on online orders of 300 Mbps and up; 5G backup included from 1 GIG; new customers on Fiber 300 get a $100 AT&T Visa reward card; switching from another provider, AT&T covers its early termination fee up to $750; static IP blocks extra, price not published; 30-day risk-free cancellation	Unlimited Business Internet (5G fixed wireless, typical 91-361 Mbps down, 21-38 Mbps up): $35/mo, no voice line needed; billed monthly, no annual contract, no yearly-billing price; 5-year price guarantee on the base price, taxes and fees excluded; AutoPay terms not stated for this plan; $35 device connection charge at sale; Wi-Fi 7 gateway or business router included with no equipment fee (return it or pay up to $750); regulatory and telco recovery fees up to $2.60/line plus taxes; static IP, mesh nodes, remote management and professional installation are upgrades with no published price; up to $800 in bill credits toward a previous provider's early termination fee; price and 5G availability vary by address; SuperBroadband (5G plus Starlink backup, 99.99% uptime credit) from $250/mo on a 36-month commitment
Pricing model	Paid	Paid
Free trial	—	—
Users	One location; unlimited users; static IP extra	One location per line; static IP extra
Integrations	Static IP blocks, 5G backup (1 GIG and up), AT&T Phone for Business, Office@Hand, Dynamic Defense	Static IP, mesh Wi-Fi nodes, remote management, Starlink backup (SuperBroadband), business voice lines
Team size	Just me · 2–10 people · 11–50 people	Just me · 2–10 people
Available in	US	US
Phone support	Every plan (US)	Every plan
Live chat	Every plan	Plans not stated
Support hours	Phone: Repair line 6 a.m. to midnight CT, every day, Ordering and billing line (888.944.0447) weekdays 8 a.m. to 6 p.m. CT	Phone: 24/7
Incidents posted	We found no public status page for AT&T.	We found no public status page for T-Mobile.
Fit: Retail shop	76	72
Fit: Restaurant or café	76	65
Fit: Service business	78	75
Fit: Agency or studio	82	58
Fit: Trades or contractor	66	80
Fit: Online store	78	60
Why people pick it	Same upload and download speed, no contract or data cap Gateway included; 5G backup from 1 GIG	Self-install in under an hour No annual contract, 5-year price guarantee
Where it falls short	Only where AT&T fiber reaches (parts of 39 states) Static IP price not published; lowest price needs AT&T wireless	Upload typically 21 to 38 Mbps No uptime guarantee on the standard plan
	Visit AT&T Business Fiber ↗	Visit T-Mobile Business Internet ↗

Six-person prices are what a team of six would pay on the published plans; "Not listed" means those plans don't cover six. How we calculate prices

AT&T Business Fiber: partner link. We may earn a commission; it never affects rankings.