AI Training Pay by Category: Who Pays the Most?
· By James Mac · Based on 1,162 active listings with verified hourly pay
The AI training job market pays differently depending on your expertise. We analyzed every active listing on SignalGigs to answer one question: which skills earn the most?
Methodology: All figures are based on real-time analysis of active job listings scraped daily from 19 AI training platforms. Pay rates reflect listed hourly compensation. Data is refreshed with each site update.
| # | Category | Avg Pay | Range | Gigs |
|---|---|---|---|---|
| 1 | Healthcare & Medical | $121/hr | $25–$300 | 42 |
| 2 | Legal | $100/hr | $9–$150 | 13 |
| 3 | Finance & Accounting | $96/hr | $18–$240 | 58 |
| 4 | Software Engineering & Coding | $85/hr | $7–$300 | 219 |
| 5 | STEM & Science | $75/hr | $10–$300 | 93 |
| 6 | Generalist / Multi-Domain | $74/hr | $5–$300 | 451 |
| 7 | Writing & Content | $43/hr | $6–$100 | 86 |
| 8 | Translation & Languages | $34/hr | $12–$50 | 3 |
| 9 | AI Evaluation & QA | $33/hr | $10–$120 | 89 |
| 10 | Voice & Audio | $29/hr | $8–$105 | 87 |
| 11 | Data Annotation | $21/hr | $8–$35 | 19 |
Healthcare & Medical
42 active gigs across 4 platforms. Pay range: $25–$300/hr (avg $121/hr).
Healthcare roles consistently top the pay charts. Board-certified physicians and radiologists command $180–$300/hr, making this the highest-paying category overall. Even entry-level medical reviewers start around $15/hr.
Legal
13 active gigs across 6 platforms. Pay range: $9–$150/hr (avg $100/hr).
Legal expertise is in high demand for AI training, especially US bar-admitted attorneys. Top roles hit $150/hr. Paralegal and legal review positions start around $9/hr.
Finance & Accounting
58 active gigs across 4 platforms. Pay range: $18–$240/hr (avg $96/hr).
Investment banking, M&A modeling, and CPA expertise drive the top end. Finance is the third highest-paying category, with senior roles reaching $240/hr.
Software Engineering & Coding
219 active gigs across 9 platforms. Pay range: $7–$300/hr (avg $85/hr).
The largest category by volume. Senior engineers and ML specialists earn $200–$300/hr. Even junior code reviewers start at $15–$25/hr, making coding the most accessible high-pay path.
STEM & Science
93 active gigs across 7 platforms. Pay range: $10–$300/hr (avg $75/hr).
PhDs in physics, chemistry, and mathematics are highly sought after. Nuclear and electrical engineering specialists hit $300/hr. Research-level roles average $75/hr.
Generalist / Multi-Domain
451 active gigs across 7 platforms. Pay range: $5–$300/hr (avg $74/hr).
Generalist roles span multiple domains — from domain expert evaluations to data quality work. The wide pay range reflects everything from entry-level taskers to senior consultants.
Writing & Content
86 active gigs across 8 platforms. Pay range: $6–$100/hr (avg $43/hr).
Content writing, editing, and copywriting roles average $44/hr. Professional video editors and communication specialists earn up to $100/hr.
Translation & Languages
3 active gigs across 3 platforms. Pay range: $12–$50/hr (avg $34/hr).
Bilingual specialists review machine translations and evaluate multilingual AI outputs. Pay varies heavily by language pair rarity.
AI Evaluation & QA
89 active gigs across 6 platforms. Pay range: $10–$120/hr (avg $33/hr).
AI evaluation and QA roles are the most common entry point. Raters and reviewers start at $10–$20/hr, with senior BI analysts reaching $120/hr.
Voice & Audio
87 active gigs across 6 platforms. Pay range: $8–$105/hr (avg $29/hr).
Voice recording, narration, and audio evaluation roles average $29/hr. Music experts and specialized voice actors earn up to $105/hr.
Data Annotation
19 active gigs across 4 platforms. Pay range: $8–$35/hr (avg $21/hr).
The entry point for most AI training workers. No degree required for most positions, with pay ranging from $8–$35/hr depending on task complexity.
The Bottom Line
Domain expertise is the biggest pay lever. A medical professional earns 3× more than a data annotator doing fundamentally similar work — the difference is the knowledge required to judge correctness.
- Highest ceiling: Medical, STEM, and coding ($300/hr for top specialists)
- Best volume × pay: Coding (219 roles, $85/hr avg)
- Easiest entry: Evaluation and annotation (no degree required, $20–$35/hr)
- Undervalued: Voice and translation (fewer roles, less competition)