October 2, 2026 · 9 min read
Report

What an AI marketing agent task actually costs: 337 production tasks, measured

TL;DR

An AI marketing agent task is cheap at the median and expensive in the tail: across 337 production tasks the median used 349 credits (about $0.35) while the 90th percentile used 2,927. The spread comes from four things — the model, the data read, the tools called and the number of steps.

How this was measured

  • Source: every completed task with a billed usage row in the 90 days to 2 October 2026 — 337 tasks across real workspaces and our own. Bring-your-own-model rows are left out, because that workspace paid its model provider directly.
  • Normalised to today's prices. Each model call is re-priced from its own token counts (fresh input, cached input, output) at the 2 October price of the model it ran on, so a July task costs what it would cost today. Tool calls are converted from the credit basis they were billed at.
  • What a credit is: a fixed slice of real model and tool cost. On the Starter plan a credit sells for $0.001, so 1,000 credits is $1 — the dollar figures below use that rate.
  • Reproducible: the script is in the repository, and the numbers are in a downloadable CSV.

The distribution

The mean is three times the median. That gap is the single most important fact about agent pricing: most tasks are cheap, and a minority — long research, dashboards, video — carry the bill. Any per-task estimate that quotes one number is quoting the mean, the median or a guess, and they differ by 3×.

PercentileCredits≈ $ at $0.001 / credit
25th169$0.17
Median349$0.35
75th809$0.81
90th2,927$2.93
Mean1,091$1.09

By kind of task

Task typeTasksMedian75th pct90th pct
Proposes or makes a change2484098833,195
Autonomous run (the agent picks its own next tool)854087501,971
Single-platform report312671,3622,631
Multi-platform analysis302665965,489
General question (no platform data)282631,2341,785
SEO & web research191,4963,3748,366
Dashboard build or refresh127868,0619,968
Video ad creative48,44521,69021,690
A task can be in more than one row — a multi-platform report that proposed a change is in both. Video has four runs; read its row as an order of magnitude.

What actually decides the cost

  • The model, by up to 422×. The same median task costs 21 credits on GLM-4.7 Flash, 29 on GPT-6 Luna, 559 on Claude Sonnet 5, 1,397 on Claude Opus 5 and 8,872 on GPT-5.5 Pro. Nothing else in this list comes close. Every model, priced.
  • How much data the task reads. The median task read 78,098 input tokens and wrote 2,450 — 32 tokens in for every one out. An agent's bill is mostly what it reads: account rows, search terms, reports, its own earlier steps.
  • Paid tools. Tools were 15% of measured spend. A web search is 67 credits, a hosted-browser visit 334, an image 267; SEO research pays for every SERP and keyword pull, which is why its median is five to six times a report's.
  • Caching. 43% of input tokens were served from the prompt cache at the cache-read price — the agent's instructions and tool catalogue are the same on every call, so a model with a cheap cache read pays far less for them.

How to read a vendor's "per task" number

  • Ask which statistic it is. A median of 349 and a mean of 1,091 describe the same 337 tasks.
  • Ask which model. A price per task without the model is not a price — the same work spans 21 to 8,872 credits here.
  • Ask what a task is. A one-question report and a researched, multi-platform change are both "a task".
  • A budget figure should be cautious. Our plan pages budget 1,350–1,900 credits a task when they estimate how many tasks a plan covers; 82% of measured tasks used 1,350 or fewer and 87% used 1,900 or fewer, so nobody runs out sooner than the page says.

Spending less without doing less

  • Put the specialists on a cheap model and keep a stronger one for the planner, where judgment pays. The default, GPT-6 Luna, is among the cheapest models measured.
  • Narrow the inputs. Select the accounts and date range the question needs; every extra row is input tokens.
  • Watch the tool-heavy tasks. Research and video are where the 90th percentile lives — schedule them deliberately rather than re-running them.
Measured distributions by task type and every tool's price per call are kept current on credits by task type.

Frequently asked questions

How much does an AI marketing agent cost per task?
Measured on 337 production tasks: a median of 349 credits (about $0.35 at $0.001 a credit), a 75th percentile of 809 and a 90th percentile of 2,927. The mean is 1,091, because a few research and video tasks are far more expensive than the rest.
What makes an AI agent task expensive?
Mostly the model — the same task ranged from 21 to 8,872 credits across 49 models — then how much data it reads (input tokens outnumbered output 32 to 1), then paid tools such as web search, hosted browsers and video, which were 15% of spend.
How much does an AI-generated video ad cost to make?
In our measurement the four video creative tasks used a median of 8,445 credits, about $8.45 at $0.001 a credit — the coding agent that builds and renders the video is most of it. Four runs is a small sample; treat it as an order of magnitude.
Why is the average AI agent task cost misleading?
Because the distribution is skewed: the mean task used 1,091 credits and the median 349. A handful of long research, dashboard and video tasks carry most of the spend, so the mean describes almost no real task.
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