Short answer — it depends on the product and plan. Antidetect / multi‑login browsers range from free or ~USD 0–10/month for small/freemium plans up to hundreds or thousands per month for business/enterprise plans. Below are representative prices and quick notes (prices checked Sep 12, 2025).

Key vendors (representative pricing and notes)

• Multilogin — Pro tiers and larger Business tiers; starter/pro plans begin in the low‑tens of euros per month and Business plans start around €159/month and scale up to many hundreds/thousands/month for large profile counts. Multilogin also bundles small amounts of residential proxy traffic and sells extra proxy traffic (example: proxy add‑ons from ~€3/GB). (multilogin.com)

• AdsPower — has a Free tier (limited profiles) plus paid Professional and Business tiers; commonly-cited paid tiers are around $9/month (Pro) up to roughly $36/month (Business) depending on billing cycle and profile count. AdsPower is positioned as a lower‑cost option for smaller teams. (adspower.com)

• GoLogin — offers Professional / Business / Enterprise tiers with prices frequently shown in the triple‑digit USD range for higher tiers (examples on their pricing page show plans like ~$99/month and ~$199/month depending on features and profile counts). Good for scalable, team/enterprise needs. (gologin.com)

• Kameleo — moved to concurrency‑based pricing (you pay for concurrent browser instances). Recent published tiers (June 2025) show Startup ≈ €59, Business ≈ €299 and Enterprise ≈ €1,499 (concurrency & RPM limits apply). If you need many simultaneous browser instances, concurrency pricing matters a lot. (kameleo.io)

• Linken Sphere — commercial antidetect app with multiple plans (examples: Pure ≈ $24/month, Light ≈ $72/month, Pro ≈ $128/month, Premium ≈ $240/month) and included session/proxy allowances depending on the tier. Often chosen by power users who need session control and local APIs. (ls.app)

Other lower‑cost / simpler options

• Ghost Browser — freemium model: free tier with limited identities; paid plans (examples shown around $21–$46/month depending on features and billing). Good for simple multi‑profile workflows without enterprise features. (ghostbrowser.com)

How to think about total cost (quick rules of thumb)

• Base software cost per profile = (plan monthly price) ÷ (number of profiles allowed / concurrency). For many affordable plans this works out to a few cents to a few dollars per profile per month; enterprise plans reduce per‑profile cost but raise the monthly bill. (See vendor pages above for exact profile/concurrency semantics.) (multilogin.com)
• Proxies are usually the biggest extra cost. Some vendors include small amounts of residential proxy traffic; additional residential proxy traffic can be charged per GB (e.g., Multilogin shows premium proxy traffic add‑ons). Expect proxy costs to vary widely (from low tens to hundreds of dollars/month depending on IP type, volume and geography). (multilogin.com)
• Automation / team features / API access and concurrent‑browser limits often determine which tier you must buy — read “profiles” vs “concurrency” on each vendor page before estimating.

Short example scenarios (rough)

• Manage ~10 accounts for a single person: a low‑tier paid plan or freemium option (AdsPower free/Pro, Ghost Browser Basic) — typically $0–$25/month plus proxy costs.
• Manage ~100 accounts concurrently for a small team: expect $20–$400+/month for the browser tool + residential proxies (can add $50–$500+/month depending on proxy choice).
• Enterprise scale (1,000+ profiles / heavy automation): likely $1k+/month for tooling and proxies.

Caveats

• Vendors use different definitions (profiles vs concurrent browsers vs sessions) — you must match plan semantics to your use case.
• Prices and promotions change frequently; the above figures are representative snapshots as of Sep 12, 2025 (see vendor pages cited for exact, current plans).

If you want, tell me the number of accounts you need to run concurrently and whether you require residential proxies and team seats, and I’ll give a concise cost estimate (tool + proxies) using current vendor tiers.