In Austin, two fiber networks have reached a similar share of homes. In FCC filings for Travis County, Google Fiber and AT&T Fiber each report service at a little over four in ten serviceable locations, while Spectrum's cable network reports roughly five in six. That near-tie between the fiber builds is the most useful fact for an Austin shopper: neither fiber provider is the obvious default by reach, so where both reach, the choice between them comes down to plan design, while Spectrum is the network the largest share of addresses can order. This comparison lines the three up the way a household actually meets them — first which lines reach the street, then how the two fiber lineups differ once both are available, and finally the case for Spectrum's cable, weighed against its promotional pricing and slower uploads.
The short version
For an Austin address with both fiber networks at the curb, Google Fiber is the stronger gigabit buy: its flat gigabit price sits below AT&T's gigabit tier and matches Spectrum's introductory gigabit rate without ever stepping up, and installation is free. AT&T Fiber is the better pick for a household that wants fiber but doesn't need a full gigabit, since its lower tiers cost less than anything Google sells while keeping upload equal to download. Spectrum wins on reach and on the lowest advertised entry price, and it matches the fiber providers on no data cap and no annual contract, but its prices are twelve-month promotions and its uploads are much slower. Put simply: pick whichever fiber network your address has, choose between them on how much speed you need, and treat Spectrum as the solid fallback for the many Austin addresses neither fiber build has reached.
Cheapest intro: Spectrum · Cheapest after promo: AT&T Fiber · Fastest download: Google Fiber · Fastest upload: Google Fiber
Plans side by side
| Provider | Plan | Down / Up | Intro price | After promo | Contract | Data cap |
|---|---|---|---|---|---|---|
| Google Fiber | 1 Gig | 1000 / 1000 Mbps | $70/mo | $70/mo | None | Unlimited |
| Google Fiber | 2 Gig | 2000 / 1000 Mbps | $100/mo | $100/mo | None | Unlimited |
| Google Fiber | 5 Gig | 5000 / 5000 Mbps | $125/mo | $125/mo | None | Unlimited |
| AT&T Fiber | Fiber 300 | 300 / 300 Mbps | $55/mo | $55/mo | None | Unlimited |
| AT&T Fiber | Fiber 500 | 500 / 500 Mbps | $65/mo | $65/mo | None | Unlimited |
| AT&T Fiber | Fiber 1 Gig | 1000 / 1000 Mbps | $80/mo | $80/mo | None | Unlimited |
| Spectrum | Internet 500 | 500 / — Mbps | $50/mo | Not published | None | Unlimited |
| Spectrum | Internet Premier 1 Gig | 1000 / — Mbps | $70/mo | Not published | None | Unlimited |
Prices as encoded on our provider pages, last reviewed 2026-09-25. "Not published" means the provider does not publish a standard post-promo rate — expect the promotional price to rise. Coverage shown is modeled; verify the providers available at your exact address before ordering.
Which should you choose?
Choose Google Fiber if…
- Its flat gigabit price is lower than AT&T's gigabit tier and never resets after a promotional year.
- Google waives installation and equipment charges, so there's nothing extra to pay when service starts.
- Multi-gig tiers are available for households that need more than a gigabit.
Choose AT&T Fiber if…
- Sub-gigabit tiers cost less than Google Fiber's cheapest plan, with upload still matching download.
- FCC filings show it reaching about as many Travis County locations as Google Fiber, giving the two a similar county-wide reach.
- Flat pricing, no annual contract, and unlimited data on every tier.
Choose Spectrum if…
- Its cable network reaches the largest share of Travis County locations of the three, per FCC filings.
- Spectrum's cheapest plan undercuts both fiber providers' cheapest plans at signup and is quicker than AT&T's first tier.
- No data cap and no annual contract, the same terms the fiber providers offer.
Who reaches your Austin street
Every broadband provider reports to the FCC which serviceable locations it can connect, and the Travis County numbers explain most of this comparison. Spectrum reports cable service at roughly five of every six locations. Google Fiber and AT&T Fiber each report fiber at a little over four in ten — close enough that neither can claim to be Austin's main fiber provider on reach alone.
Those shares are county-wide and self-reported by each company, so treat them as a guide to your odds, not a verdict on your address. Two fiber builds each covering around four in ten locations could overlap heavily or barely at all; the filings don't say which, and the only way to know is to enter your address with each provider. In practice, an Austin household might find both fiber networks available, one of them, or neither — and in that last case the choice is mostly Spectrum, a smaller cable provider in some pockets, or a wireless alternative.
Google Fiber or AT&T Fiber when both are available
When both fiber networks reach the same home, they agree on the fundamentals: fiber all the way to the house, flat monthly pricing, no annual contract, and unlimited data. The real split is where each lineup starts. AT&T's cheapest tiers sit under a gigabit, and even those send data as fast as they receive it, so a household that mostly streams and browses can spend less and still get fiber-grade uploads. Google Fiber's lineup opens at a gigabit and goes up from there; two of its three plans are symmetrical, and the odd one out, the middle tier, keeps upload at a gigabit.
At the gigabit level, the one tier both sell, Google Fiber is the cheaper of the two, and it adds free installation with no equipment fee. Below a gigabit, AT&T is the only fiber choice and the less expensive way into fiber. The practical rule for Austin: if a gigabit or more is the goal, Google Fiber's pricing is hard to beat; if a few hundred megabits covers the household, AT&T's lower tier saves money every month.
Where Spectrum fits in Austin
Spectrum's cable reaches more Travis County homes than either fiber build, and its terms are closer to the fiber providers' than cable's reputation suggests: no data cap and no annual contract. Its entry plan carries the lowest advertised price of the three and is faster than AT&T's entry tier, and its gigabit plan's introductory price matches Google Fiber's flat gigabit price.
The differences show up over time and in the upload direction. Spectrum's advertised prices are twelve-month promotional rates that rise afterward, and it doesn't publish the post-promotion figure, so the second year's bill is an unknown at signup. Uploads are much slower than downloads, as is typical of cable, which matters for video calls, remote work, and backing up large files. For an address outside both fiber builds, none of that is a dealbreaker; for one with fiber available, it's usually the reason to choose the fiber plan instead.
Frequently asked questions
- Is Google Fiber or AT&T Fiber more available in Austin?
- Neither has a clear edge. In FCC filings for Travis County, each reports fiber at a little over four in ten serviceable locations. Because county-level filings don't show where the two builds overlap, the reliable way to find out is to enter your address on each provider's site.
- Does Spectrum have a data cap in Austin?
- No. Spectrum's plans carry no data cap and no annual contract. What to watch instead is the price: the advertised figure lasts twelve months, and because the later rate isn't published, it's wise to expect a higher bill in year two.
- What's the cheapest gigabit internet in Austin?
- Among these three, Google Fiber's gigabit plan and Spectrum's gigabit plan share the same advertised price, but Google Fiber's is flat while Spectrum's is an introductory rate that rises after twelve months. AT&T's gigabit tier costs more than both, though it is also flat-priced with no contract.
Bottom line
Both the numbers above and the trade-offs are only as useful as what's actually available at your address — start there, then pick the column that fits.
Dig deeper
All providers in Austin · Google Fiber in Austin · AT&T Fiber in Austin · Spectrum in Austin · Check your address