LLM Engineer Salary.
Across 83 U.S. cities.
$190,000
national median salary
$145,000 to $250,000. Last updated April 2026.
Highest Paying
$265,000
San Jose, CA
Best Purchasing Power
$198,000
Providence, RI
Lowest Paying
$142,000
Charleston, WV
Salary data sourced from SEC filings, H-1B Labor Condition Applications (DOL), Bureau of Labor Statistics Occupational Employment and Wage Statistics, and aggregated job postings across 50+ platforms. Ranges reflect 25th to 75th percentile for full-time positions. Cost-of-living adjustments use Bureau of Economic Analysis Regional Price Parities (2025 index). Last updated April 2026.
The average LLM Engineer salary in the United States is $190,000 in 2026, with the full range spanning $145,000 at the 25th percentile to $250,000 at the 75th. San Jose pays the most at $265,000, while Providence offers the best purchasing power after cost-of-living adjustments. Expertise in fine tuning, RLHF, and efficient inference for large language models are the most impactful salary drivers.
LLM Engineer salary by city
Skills that increase LLM Engineer pay
The skills below command measurable salary premiums for LLM Engineers based on job posting data. Learning the top skill here could add $26,600 to your annual compensation.
≈ +$26,600 per year
≈ +$24,700 per year
≈ +$22,800 per year
≈ +$20,900 per year
≈ +$19,000 per year
≈ +$19,000 per year
≈ +$19,000 per year
≈ +$17,100 per year
What you should know
Expertise in fine tuning, RLHF, and efficient inference for large language models are the most impactful salary drivers. Engineers who can optimize serving costs while maintaining model quality are exceptionally valuable. Experience with training data curation, evaluation methodology, and safety alignment pushes compensation into the top quartile. This role has seen the sharpest salary increases since 2023.
Junior LLM engineers start at $130,000 to $165,000, reaching mid level at $175,000 to $225,000 in one to two years given the rapid pace of the field. Senior LLM engineers earn $225,000 to $300,000. Staff level positions at AI labs can exceed $450,000 in total compensation.
Equity at AI labs is substantial, often adding $50,000 to $200,000+ annually. Bonuses of 15 to 25% are standard. Signing bonuses of $40,000 to $100,000 are common given the extreme demand. Benefits include dedicated GPU access, research time allocations, and conference travel budgets.