AT&T Internet vs CenturyLink: After comparing plans, speeds. Pricing, AT&T Internet offers better value for most households with fiber speeds up to 5 Gbps and plans starting at $55/month.
AT&T Internet and CenturyLink represent two distinct approaches to internet and entertainment in 2026. Whether you prioritize speed, value, coverage, or customer service, this comparison dives into the specifics that actually affect your daily experience.
In this comprehensive comparison, we evaluate AT&T Internet and CenturyLink across every category that matters: speed, pricing, reliability, customer satisfaction, and overall value. Whether you are a first-time internet buyer or looking to switch providers, this guide will help you make an informed decision.
Speed Comparison: AT&T Internet vs. CenturyLink
Internet speed is often the deciding factor, and the differences between AT&T Internet and CenturyLink are worth examining closely. We look at advertised maximums, typical real-world performance, and how each provider handles upload speeds.
AT&T Internet
- Technology: Fiber / DSL
- Max Download: up to 5 Gbps (fiber), up to 100 Mbps (DSL)
- Data Cap: None on fiber; 1 TB on DSL
- Customer Rating: 3.7/5
CenturyLink
- Technology: Fiber / DSL
- Max Download: up to 940 Mbps (fiber), up to 100 Mbps (DSL)
- Data Cap: None
- Customer Rating: 3.2/5
AT&T Internet delivers speeds of up to 5 Gbps (fiber), up to 100 Mbps (DSL) using its fiber / dsl network. CenturyLink offers speeds of up to 940 Mbps (fiber), up to 100 Mbps (DSL) through fiber / dsl infrastructure. The fiber-based option will generally deliver more consistent speeds with symmetrical upload performance.
Real-world speeds typically reach 80-95% of advertised maximums on wired connections. During peak evening hours, customers may notice some variation, particularly on shared network types like cable and fixed wireless. For activities like 4K streaming (requiring ~25 Mbps), video conferencing (5-10 Mbps), or online gaming (50+ Mbps preferred), both providers offer plans that exceed these thresholds.
Pricing Comparison
Monthly cost is a major consideration, but the advertised price rarely tells the full story. Equipment fees, taxes, promotional expirations, and installation charges all factor into your true cost of service.
AT&T Internet Plans & Pricing
| Plan | Speed | Price |
|---|---|---|
| Internet 300 | 300 Mbps | $55/mo |
| Internet 500 | 500 Mbps | $65/mo |
| Internet 1000 | 1 Gbps | $80/mo |
| Internet 2000 | 2 Gbps | $150/mo |
| Internet 5000 | 5 Gbps | $180/mo |
Check AT&T Internet Availability |
CenturyLink Plans & Pricing
| Plan | Speed | Price |
|---|---|---|
| Simply Unlimited | up to 100 Mbps | $30/mo |
| Fiber 200 | 200 Mbps | $40/mo |
| Fiber Gigabit | 940 Mbps | $70/mo |
Check CenturyLink Availability |
AT&T Internet prices range from $55-$180/mo, while CenturyLink ranges from $30-$70/mo. Keep in mind that promotional pricing typically expires after 12 months, at which point rates may increase by $10-30/mo. When calculating your true monthly cost, add approximately $10-15 for equipment rental unless you provide your own compatible hardware.
Contracts, Data Caps & Fine Print
The details in the fine print can significantly impact your long-term costs and flexibility. Here is what you need to know about contracts and data limitations for both providers.
| Feature | AT&T Internet | CenturyLink |
|---|---|---|
| Contract | No annual contract | No contracts |
| Data Cap | None on fiber; 1 TB on DSL | None |
| Customer Rating | 3.7/5 | 3.2/5 |
| Best For | Households that want fast, reliable fiber internet with no data caps | Budget shoppers who value price stability and no data caps |
No-contract options provide maximum flexibility, letting you cancel at any time without early termination fees. Data caps can be a hidden cost if your household streams heavily, games online, or has multiple connected devices.
Coverage & Availability
Even the best internet plan is useless if it is not available at your address. AT&T Internet and CenturyLink have different coverage footprints that could determine your choice.
AT&T Internet is available in select markets across the US, while CenturyLink covers a broad geographic area. Fiber availability is expanding but still limited to approximately 45% of US addresses. We recommend checking availability at your specific address before making a decision, as coverage can vary block by block in many areas.
Customer Service & Reliability
Customer service quality can make or break your experience with an internet provider. Based on industry surveys, customer reviews, and satisfaction data, here is how AT&T Internet and CenturyLink compare.
AT&T Internet carries a customer satisfaction score of 3.7/5, while CenturyLink scores 3.2/5. Both providers offer 24/7 support via phone, chat, and online portals. Network reliability is equally important: AT&T Internet maintains a modern infrastructure with consistent uptime, and CenturyLink delivers strong reliability through its fiber network.
When evaluating customer service, consider that experiences vary significantly by region. We recommend checking recent reviews from customers in your specific area. The FCC's broadband consumer complaint database is also a useful resource for identifying systemic issues with any provider.
AT&T Internet: Pros & Cons
Pros
- Symmetrical upload/download on fiber
- No data caps on fiber plans
- Broad national availability
- Competitive pricing for fiber
Cons
- DSL speeds significantly slower
- DSL has 1 TB data cap
- Limited fiber availability in rural areas
- Equipment fees add to monthly cost
CenturyLink: Pros & Cons
Pros
- Price for life guarantee
- No data caps
- No annual contracts
- Affordable entry-level plans
Cons
- DSL speeds are slow by modern standards
- Limited fiber availability
- Customer service issues reported
- Equipment fee of $15/mo
Our Recommendation
For the majority of households, AT&T Internet comes out ahead thanks to a stronger combination of speed, value, and customer satisfaction. That said, CenturyLink has genuine advantages for customers who value the specific strengths that CenturyLink brings, such as price for life guarantee most.
Ultimately, the best provider for you depends on what is available at your address. What you value most. We encourage you to check availability for both AT&T Internet and CenturyLink at your specific location before making a final decision.
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Frequently Asked Questions
Which is faster, AT&T Internet or CenturyLink?
AT&T Internet offers speeds of up to 5 Gbps (fiber), up to 100 Mbps (DSL). While CenturyLink offers up to 940 Mbps (fiber), up to 100 Mbps (DSL). For most households, both provide more than enough bandwidth for streaming, gaming, and video calls.
Which is cheaper, AT&T Internet or CenturyLink?
AT&T Internet starts at $55-$180/mo, while CenturyLink starts at $30-$70/mo. Remember to factor in equipment rental fees ($10-15/mo), taxes, and any promotional pricing expirations when comparing the true cost of each service.
Which Faster, At&Amp;T Internet
Does AT&T Internet or CenturyLink have data caps?
AT&T Internet has the following data cap policy: None on fiber; 1 TB on DSL. CenturyLink's policy is: None. Households that stream in 4K, have multiple gamers, or work from home may consume 1 TB or more per month, making unlimited data an important consideration.
Do AT&T Internet or CenturyLink require contracts?
AT&T Internet has the following contract policy: No annual contract. CenturyLink's policy: No contracts. No-contract options give you the flexibility to switch providers if your needs change or a better deal becomes available.
Can I bundle AT&T Internet and CenturyLink with other services?
AT&T Internet and CenturyLink both offer various bundling options with TV, phone, and mobile services. Bundling can save you $10-30/mo compared to purchasing services separately. Check each provider's website for current bundle promotions in your area.
Is AT&T Internet or CenturyLink better for working from home?
For remote work, you need reliable speeds of at least 25 Mbps for video conferencing, plus low latency. AT&T Internet (fiber / dsl) and CenturyLink (fiber / dsl) both support remote work. Fiber connections offer the best experience with symmetrical upload speeds ideal for video calls.
How do I check if AT&T Internet or CenturyLink is available at my address?
You can check availability by visiting each provider's website. Entering your address, or by calling AT&T Internet at and CenturyLink at. You can also use our availability checker tool to compare all providers at your address at once.
Disclosure: InternetProviders.ai may earn a commission when you sign up for a plan through our links. This does not influence our rankings or recommendations. Our editorial team independently evaluates each provider based on speed, price, reliability, and customer satisfaction. All prices shown reflect current rates at the time of publication and are subject to change. the provider directly to confirm current pricing and availability at your address.
How Much Speed Do You Actually Need?
Before comparing AT&T Internet and CenturyLink plans, determine the speed tier your household actually requires. Overpaying for speed you cannot use wastes money; underpaying leads to buffering and frustration.
| Household Activity | Minimum Speed | Recommended |
|---|---|---|
| Email and web browsing (1-2 people) | 25 Mbps | 50-100 Mbps |
| HD streaming on 2-3 devices | 50 Mbps | 100-200 Mbps |
| 4K streaming + gaming (family of 4) | 100 Mbps | 300-500 Mbps |
| Remote work (video calls + cloud sync) | 50 Mbps down / 10 Mbps up | 200+ Mbps symmetric |
| Content creation (video upload, streaming) | 100 Mbps down / 50 Mbps up | 500+ Mbps symmetric |
| Smart home (20+ IoT devices) | 100 Mbps | 300+ Mbps |
| Large household (6+ people, heavy use) | 300 Mbps | 500 Mbps - 1 Gbps |
Most U.S. households use between 200-500 Mbps effectively. Gigabit plans provide headroom for future devices and simultaneous heavy use but are not necessary for typical streaming and browsing. Match your plan choice to your actual usage to get the best value from either AT&T Internet or CenturyLink.
