LLM Engineer salaries in Boston range from $174,000 to $580,000 in 2026. The mid-level median is $290,000, which is 45% above the national average.
Junior (0-2 yrs)
$174,000 – $232,000
Median: $203,000 · per year
Mid-Level (3-5 yrs)
$246,500 – $333,500
Median: $290,000 · per year
Senior (6+ yrs)
$348,000 – $580,000
Median: $464,000 · per year
Estimate your earning potential based on role, location, and experience.
Estimated LLM Engineer Salary in Boston, MA
Estimated†Median: $377,000 per year (adjusted for Boston cost of living)
Junior
$203,000
0-2 yrs
Mid-Level
$290,000
3-5 yrs
Senior
$464,000
6+ yrs
| City | Mid-Level Median | Cost of Living |
|---|---|---|
| Boston, MA | $290,000 | very high |
| New York, NY | $290,000 | very high |
| Los Angeles, CA | $290,000 | very high |
| Chicago, IL | $240,000 | high |
| Houston, TX | $200,000 | moderate |
| Phoenix, AZ | $200,000 | moderate |