Salary Comparison

AI Engineer Salary:
San Francisco, CA vs Philadelphia, PA

Side-by-side gross salary, after-tax take-home pay, and purchasing power comparison. Updated June 2026.

San Francisco, CA
$298,196
/ year
+53%
difference
Philadelphia, PA
$194,732
/ year
Bottom line: Philadelphia offers better purchasing power despite San Francisco paying more gross. How is this calculated? →
Metric
San Francisco
Philadelphia
Median Gross Salary
Annual, before tax
$298,196✓ higher
$194,732
Entry Level
0–2 years experience
$192,842✓ higher
$125,932
Senior Level
8+ years experience
$461,107✓ higher
$301,119
Est. Take-Home Pay
After income tax + FICA
$198,587✓ higher
$130,239
Purchasing Power
Equivalent in median-CoL city
$177,498
$180,307✓ higher
Cost of Living Index
Relative to US median (1.00)
1.68×
1.08×✓ lower
Percentile 10 (Low)
Bottom 10% of earners
$192,842✓ higher
$125,932
Percentile 90 (High)
Top 10% of earners
$461,107✓ higher
$301,119

What if you move from San Francisco to Philadelphia?

Gross salary change
$103,464
53% decrease
Take-home change
$68,348
per year after tax
Purchasing power change
+$2,809
equivalent real income

Take-home pay is estimated using 2024 US federal tax brackets (single filer) + 7.65% FICA, or a blended international effective rate. Purchasing power converts gross salary to an equivalent in a US median cost-of-living city (index 1.00×). Full methodology →

Salary Range Comparison

San Francisco, CA$298,196
P10: $192,842Median: $298,196P90: $461,107
Philadelphia, PA$194,732
P10: $125,932Median: $194,732P90: $301,119

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Frequently Asked Questions

▶Does a AI Engineer earn more in San Francisco or Philadelphia?

The median AI Engineer salary in San Francisco, CA is $298,196/yr compared to $194,732/yr in Philadelphia, PA. San Francisco pays 53% more in gross terms.

▶Is a AI Engineer salary worth more in San Francisco or Philadelphia after cost of living?

After adjusting for local cost of living, your San Francisco salary has the purchasing power of $177,498/yr in a median-cost city, vs $180,307/yr for Philadelphia. Philadelphia offers stronger real purchasing power.

▶What is the take-home pay for a AI Engineer in San Francisco vs Philadelphia?

After estimated taxes, a AI Engineer in San Francisco, CA takes home approximately $198,587/yr, vs $130,239/yr in Philadelphia, PA. These are estimates based on standard federal tax rates and do not account for state/local taxes or deductions.