| Dimension | Traditional agency | AI agency (Meridian) |
|---|---|---|
| Monthly cost | $5,000–$20,000+ retainer before ad spend | $1,900–$4,500 at Meridian; founding seats currently $700/mo |
| Response speed | Days — briefs, meetings, revisions, approvals | Hours — agents draft, review and ship inside one loop |
| Optimisation cadence | Weekly or bi-weekly check-ins on spend | Hourly budget rebalancing as data arrives |
| Team turnover | Account teams turn over roughly every 1–2 years | Zero — the same six agents, indefinitely |
| Institutional memory | Lives in employees' heads; leaves when they do | Written, scored learnings in a permanent shared memory |
| Transparency | Monthly report deck, agency-curated | Live dashboard — watch campaigns and learnings in real time |
| Big-swing creative & relationships | Where humans genuinely win — brand instinct, PR, negotiation | Honest weakness — AI executes and optimises; it doesn't do lunch |
The cost difference is structural, not a discount
A traditional retainer prices in salaries, office space, and the margin on both. That's not inefficiency — it's what human labour costs. An AI agency's marginal cost is compute, which is why the pricing can sit at a fraction of a traditional retainer without cutting corners on volume: the agents draft, test and analyse continuously rather than in weekly bursts.
Turnover is the hidden fee nobody itemises
Ask anyone who has held an agency relationship for three years: the painful part isn't the invoice, it's the handoffs. Account teams change, and each change quietly resets what the agency knows about your brand. You pay the same retainer during the re-learning months as during the productive ones.
An AI agency built with persistent memory doesn't have this failure mode. At Meridian, every campaign outcome becomes a written, scored learning that every future brief reads before work begins. Month six is provably informed by months one through five — you can watch the memory grow on the public dashboard.
Where the traditional agency still wins
Credibility requires honesty: there are jobs a human agency does better today. Brand-defining creative swings — the campaign idea nobody asked for that redefines a category. Press and influencer relationships built over dinners, not APIs. High-stakes negotiation with platforms and publishers. If those are the jobs you're hiring for, hire humans.
If instead you're hiring for the compounding middle of marketing — plan, produce, ship, measure, learn, repeat — that loop is exactly what software runs better than an org chart.
How to decide in one afternoon
Don't decide from a comparison page — including this one. Do this instead: open the live dashboard, watch an agent run and a learning get recorded, and ask your current agency to show you the equivalent: where, specifically, does what they've learned about your brand live? If the answer is “in the team,” you now understand the difference between the two models.
Founding promo — 5 seats
Try the new model at a price that removes the risk: the full agency at a flat $700/month for 90 days, in exchange for a published case study. Apply for a founding seat →