Everyone says AI makes content "basically free." The truth is more complicated — and the real costs are hiding in the places people aren't measuring.
Here's what 100 AI-assisted articles actually costs a modern content team in 2025.
The Tool Stack Cost
A typical AI content operation runs on:
| Tool | Monthly cost | Per-article at 100/mo |
|---|---|---|
| Claude Pro or GPT-4o | $20-200 | $0.20-2.00 |
| Jasper / Copy.ai | $49-125 | $0.50-1.25 |
| Surfer SEO or Clearscope | $89-300 | $0.90-3.00 |
| Grammarly Business | $15/seat | $0.15 |
| Stock images (Unsplash Pro) | $12/mo | $0.12 |
Total tool overhead: $185-640/month, or $1.85-6.40 per article at 100/month scale.
The Labor Cost (The Actual Big Number)
AI doesn't remove labor — it shifts it. The distribution changes, but the hours don't disappear:
| Task | Old (100% human) | New (AI-assisted) | Time saved |
|---|---|---|---|
| Research & outline | 2 hrs | 0.5 hrs | 75% |
| First draft (2,000 words) | 3 hrs | 0.5 hrs | 83% |
| Editing & fact-check | 1 hr | 1.5 hrs | -50% |
| SEO optimization | 0.5 hrs | 0.5 hrs | 0% |
| Publishing & formatting | 0.5 hrs | 0.5 hrs | 0% |
| Total | 7 hrs | 3.5 hrs | 50% |
At a $50/hr editor rate: $175 per article (AI-assisted) vs $350 per article (fully human).
Editing time actually increases because AI drafts require more careful fact-checking and tone correction. Anyone who says editing takes 15 minutes has never actually edited AI content for publication.
The Quality Risk Cost
Google's Helpful Content Update (HCU) and subsequent core updates in 2024-2025 have penalized sites with thin AI content. The risk is real:
- Sites relying on AI-only content (no expert editing) saw 40-60% traffic drops post-HCU
- Sites with AI-first + expert review maintained or grew traffic
- The threshold seems to be clear expert signal: citations, original data, specific experience
The "risk cost" is invisible until it hits. Budget for a content audit every 6 months ($500-2,000) and for the potential traffic recovery cost if hit.
What 100 Articles Actually Costs
| Approach | Cost/article | 100 articles total |
|---|---|---|
| Fully human writers ($0.15/word) | $300 | $30,000 |
| AI-only (no editing) | $8 | $800 |
| AI-assisted + expert editing | $175-250 | $17,500-25,000 |
| AI-assisted + offshore editing ($20/hr) | $80-100 | $8,000-10,000 |
The middle path — AI for speed, human judgment for quality — is where most competitive content operations land. The savings vs. fully human are real (35-50%). The fantasy that AI makes content essentially free is not.
The ROI Calculation
If 100 articles brings 50,000 organic monthly visitors at a $3 RPM (ad revenue), that's $150/month per article cohort — or roughly $1,800/year.
At $17,500 investment, break-even is ~10 years from ads alone. The math only works with:
- Higher RPM niches ($10-20)
- Email list / product conversion (10x ad revenue potential)
- Compounding traffic from domain authority growth
The calculator above will show you whether the numbers work for your specific situation.