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Three responses from three engines. Each one shows the exact cURL command that produced it.

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GET /salaries/calculate

Estimate

AI Engineer base salary in San Francisco.

P10, P50, P90 base salary band with the 95% confidence interval, sample size, source-mix breakdown, and the methodology version that produced it. Every estimate carries a stable data_point_id for lineage.

AI Engineer · San Francisco, CA

P10

$185K

P50 (median)

$280K

P90

$440K

Confidence interval (95%): $165,000 to $472,000 · n=2,341

Source mix: BLS OES 32% · H-1B LCA 28% · Postings 24% · Community 16%

methodology_version 2026.2 · data_point_id ai-engineer:san-francisco:median_base:2026-Q2

GET /salaries/skills

Skill Premiums

Top 10 AI skills ranked by salary premium, AI Engineer role.

Each premium is the median salary lift attributable to the skill, controlled for role, city, and seniority. Mixed-effects regression refit quarterly. Pro tier required for live queries; this view is the demo response shape.

Top 10 AI skills by salary premium · AI Engineer

LangChain+18% · n=2,341

Retrieval-Augmented Generation+16% · n=1,876

PyTorch+14% · n=5,234

LLM fine-tuning+13% · n=987

Vector databases+12% · n=1,234

LangGraph+11% · n=654

Prompt engineering+10% · n=3,456

Anthropic API+9% · n=876

OpenAI API+8% · n=4,567

Hugging Face Transformers+7% · n=2,109

Premium is the median salary lift attributable to the skill, controlling for role, city, and seniority. Mixed-effects regression on BLS OES wage data and H-1B LCA filings.

GET /salaries/adjacent

Adjacent Roles

Roles a candidate could plausibly move into, with salary delta and similarity.

Useful for career exploration, internal mobility tooling, and competitive recruiting. Similarity scores quantify skill + responsibility overlap, computed from listing co-occurrence and the role taxonomy embedding.

Roles adjacent to AI Engineer · sorted by similarity

LLM Engineer+10%$308K · sim 0.96

ML Engineer+5%$294K · sim 0.94

Research Engineer+8%$302K · sim 0.89

Applied Scientist+12%$314K · sim 0.87

AI Platform Engineer+15%$322K · sim 0.85

Best higher-paying: AI Platform Engineer (+15%). Similarity scores quantify skill + responsibility overlap, not title proximity.

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