Which US cities are considered second-tier tech hubs, and are any of them ready to move up?

One question, asked of ChatGPT, Claude, Gemini and Perplexity in September 2026. Here is each answer, word for word, with the sources it cited.

US hubs · Top hubs, unprompted · A VC or LP comparing regions

ChatGPT

There isn’t an official definition of a “second-tier tech hub.” If Tier 1 means places with unusually deep combinations of engineering talent, startups, venture capital, research universities, and major-tech-company presence—especially the Bay Area, New York, Seattle, and Boston—then there’s a fairly recognizable next group.

As of 2026, I’d roughly map the U.S. this way:

Metro Current position What distinguishes it Move-up potential

Austin Tier 1.5 / nearly Tier 1 Software, semiconductors, startups, big-tech offices ★★★★★

Raleigh-Durham Upper Tier 2 Universities, biotech, enterprise software, semiconductors ★★★★★

Atlanta Upper Tier 2 Huge talent pool, fintech, cybersecurity, enterprise tech ★★★★½

Denver-Boulder Upper Tier 2 Startups, cloud/software, aerospace, strong talent attraction ★★★★

Dallas-Fort Worth Upper Tier 2 Enormous corporate-tech workforce, telecom, chips ★★★★

San Diego Upper Tier 2 Biotech, wireless/chips, defense tech ★★★★

Salt Lake City/Provo Tier 2 SaaS, fintech, unusually strong entrepreneurial ecosystem ★★★★½

Phoenix Tier 2 Semiconductors, data centers, advanced manufacturing ★★★★

Chicago Tier 2 Large talent base, fintech, enterprise software ★★★½

Miami Emerging Tier 2 Finance/crypto/startups, founder migration ★★★

Pittsburgh Specialized Tier 2 Robotics, AI, autonomy, CMU ★★★★

Nashville / Charlotte Emerging Health tech / fintech respectively ★★★

The interesting wrinkle is that Austin arguably shouldn't be called second-tier anymore. CBRE ranked it the…

Trimmed here; the full answer is in the viewer.

Named: Austin, Raleigh-Durham, Atlanta, Salt Lake City, Denver, Dallas, San Diego, Phoenix, Chicago, Miami, Pittsburgh, Nashville, Charlotte, San Francisco Bay Area, New York City, Seattle, Boston, Los Angeles, Georgia Tech, Washington, D.C.

Sources cited: cbre.com, cbre.co.uk, scribd.com, carta.com

Claude

Based on current data, here's how the landscape breaks down:

Tier 1 (established): San Francisco Bay Area, New York, Seattle, and Boston remain the clear top tier for tech — deepest venture capital, biggest company headcounts, most concentrated talent pools.

Austin: already graduated. Most analysts no longer even call it "second-tier" anymore. CBRE now ranks it a top-five tech talent market globally, right alongside the Bay Area and Seattle — it made the jump this decade.

KORE1

The classic second-tier group right now:

Raleigh-Durham (Research Triangle) — probably the strongest "next up" candidate. CBRE moved it to No. 12 overall in 2025 and named it "most improved," while CompTIA ranks the metro fifth nationally for tech economic impact. It's fed by Duke, UNC, and NC State, and North Carolina had the second-biggest net tech employment gain of any state last year, trailing only Texas.

KORE1

Denver, Nashville, Atlanta, Dallas-Fort Worth, Phoenix, Tampa, Columbus, Huntsville — all adding tech jobs faster than the coastal giants, at lower cost.

KORE1

Salt Lake City ("Silicon Slopes") — landed in CompTIA's top-five metros for tech job growth, with Brookings tagging it and neighboring Provo as rising stars, anchored by companies like Qualtrics and Pluralsight.

KORE1

San Antonio — actually leads all US metros in tech job growth rate at 5.1% annually, though it's coming off a smaller base.

Foothold America

So who's "ready to move up"?

Raleigh-Durham looks like the best bet —…

Trimmed here; the full answer is in the viewer.

Named: San Francisco Bay Area, New York City, Seattle, Boston, Austin, Raleigh-Durham, Denver, Nashville, Atlanta, Dallas, Phoenix, Tampa, Columbus, Huntsville, Salt Lake City

Sources cited: kore1.com, footholdamerica.com

Gemini

While primary Tier 1 hubs like the San Francisco Bay Area, New York City, Seattle, Boston, and Washington, D.C., dominate total venture capital, second-tier (Tier 2) hubs combine lower business costs, high-caliber university pipelines, and rapid tech workforce expansion.

Primary Tier 2 US Tech Hubs

Dallas–Fort Worth, TX: A major enterprise software and IT engineering center supported by corporate headquarters, tax advantages, and net tech job growth.

KORE1

Raleigh–Durham, NC: Driven by Research Triangle universities (Duke, UNC, NC State) and strong biotech analytics, cloud computing, and software development sectors.

KORE1

Atlanta, GA: Anchored by Georgia Tech, serving as a primary U.S. financial technology (payments processing) and cybersecurity hub.

KORE1

Denver / Boulder, CO: A regional center for AI/ML startups, enterprise cloud platforms, and aerospace engineering.

KORE1

Salt Lake City–Provo, UT: Known as "Silicon Slopes," featuring high SaaS enterprise density and rapid tech employment growth.

KORE1

Phoenix, AZ: Driven by large-scale semiconductor manufacturing investments and data infrastructure expansion.

Nashville, TN: A fast-growing center for healthtech, revenue-cycle engineering, and logistics platforms.

KORE1

Pittsburgh, PA: A specialized hub for robotics, autonomous software, and AI research anchored by Carnegie Mellon University.

Tier 2 Cities Ready to Ascend to Tier 1

While Austin successfully transitioned into top-tier status alongside San…

Trimmed here; the full answer is in the viewer.

Named: San Francisco Bay Area, New York City, Seattle, Boston, Washington, D.C., Dallas, Raleigh-Durham, Atlanta, Georgia Tech, Denver, Salt Lake City, Phoenix, Nashville, Pittsburgh, Austin

Sources cited: cbre.com

Perplexity

“Second-tier tech hub” is not an official category, but it usually means a U.S. metro with a substantial tech labor market, anchor employers and/or research institutions, and a credible startup ecosystem—yet still less globally dominant in capital, headquarters, and specialized talent than the Bay Area, New York, and Seattle.

The clearest current second-tier group is Austin; Washington, D.C.; Boston; Dallas–Fort Worth; Raleigh–Durham; Atlanta; Denver–Boulder; Salt Lake City; San Diego; Phoenix; Chicago; and Los Angeles–Orange County. Depending on the definition, Boston, D.C., and LA are arguably already “top-tier” in particular fields rather than truly second-tier overall. CBRE’s latest broad talent ranking puts Austin 5th, Washington 6th, Boston 7th, Dallas–Fort Worth 8th, Raleigh–Durham 12th, Atlanta 13th, Denver 14th, Salt Lake City 16th, San Diego 19th, Phoenix 20th, Chicago 22nd, and South Florida 25th in North America.

cbre

+1

A practical tier map

Group Cities/metos What they are known for Read on upward mobility

Near-top-tier national hubs Austin, Boston, Washington, D.C., Dallas–Fort Worth Large talent pools, national employers, venture ecosystems, and deep sector strengths Austin and Dallas–Fort Worth have the strongest case for overall advancement; Boston and D.C. already operate at top-tier scale in research-heavy and government-adjacent tech

Strong second-tier hubs Raleigh–Durham, Atlanta, Denver–Boulder, San Diego, Chicago, Los Angeles–Orange County, Salt…

Trimmed here; the full answer is in the viewer.

Named: Austin, Dallas, Raleigh-Durham, Atlanta, Phoenix, San Francisco Bay Area, New York City, Seattle, Washington, D.C., Boston, Denver, Salt Lake City, San Diego, Chicago, Los Angeles, Miami, Nashville, Columbus, Pittsburgh, Minneapolis, Charlotte, Houston, Tampa, Huntsville, Detroit, Georgia Tech

Sources cited: businessfacilities.com, cbre.com, finance.yahoo.com

Published by PursueATL. Research by Resonate Labs. Data collected September 2026.