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Is AI Actually Saving Time in Your Company? How to Measure Where It Does

How to measure time saved by AI in your company: what the St. Louis Fed and field experiments find, and how to see where hours return by team and task.

TL;DR

  • Yes, AI is saving time, but less than most headlines suggest and very unevenly. The St. Louis Fed's tracker estimates that generative AI saved about 2.1% of all US work hours in Q3 2026 (FRED). Among people who use it, the savings are larger: 5.4% of work hours, about 2.2 hours a week, in the researchers' late-2024 survey (St. Louis Fed).
  • Field experiments show big gains on the right tasks and none, or losses, on the wrong ones. Support agents resolved 14% more issues per hour with an AI assistant (NBER), while experienced open-source developers took 19% longer in a 2025 trial (METR).
  • To measure time saved by AI in your own company, do not rely on one adoption number or a survey. Map who uses AI, how deeply and on which tasks, then compare output for high-use and low-use groups doing comparable work.
  • Worklytics builds that map from usage metadata in the AI and collaboration tools you already use, at team and group level, without reading prompts or messages.

The Worklytics charts in this article are example views from its AI adoption model, included to show what each measurement looks like in practice, not audited client benchmarks. The research figures cited (St. Louis Fed, NBER, HBS, METR and Anthropic) are independent primary sources.

Sample bar chart of hours saved per active AI user per week by task, led by code generation and data analysis  Sample bar chart of hours saved per active AI user per week by task, led by code generation and data analysis
Illustrative sample report. Hours saved per active user, per week, by task type in a representative Worklytics model. Code and analysis return the most time; email drafting the least.

Most leadership teams can tell you how much they spend on AI. Very few can tell you where those dollars turn into recovered hours. That gap is the whole problem. A seat count proves you bought access. A login proves someone was curious. Neither proves a quota-carrying rep finished her call prep faster or that an engineer shipped a feature a day sooner.

This article lays out a practical way to answer that question honestly. Measuring AI productivity is not about one adoption number. It is an efficiency map that shows where AI is actually returning time, team by team and task by task. We use the lens most executives reach for first, AI sales team effectiveness, and then apply the same method to the rest of the company. The Worklytics figures are illustrative, the external studies are not, and every layer of the map ties back to a specific measurement you can put in place.

What the research says about time saved by AI

The best current evidence comes from two kinds of studies: large surveys that ask workers how much time AI saves them, and field experiments that measure output directly.

Surveys: the St. Louis Fed time-savings tracker

Economists Alexander Bick, Adam Blandin and David Deming run a national survey that asks workers how many extra hours they would have needed without generative AI. In their November 2024 survey, users saved an average of 5.4% of their work hours, about 2.2 hours a week for a 40-hour worker. Spread across all workers, including people who do not use AI, that was 1.4% of total hours. Frequency matters: 33.5% of people who used AI every workday said it saved them four hours or more in a week, compared with 11.5% of people who used it on one day (St. Louis Fed).

The tracker is now published quarterly. Time saved across all employed adults rose from 1.8% of work hours in Q3 2025 to 2.1% in Q3 2026 (FRED: Generative AI time savings, employed adults). These are self-reported numbers, which is their main weakness.

Field experiments: measured output, not opinions

  • Customer support. In a study of 5,179 support agents, access to an AI assistant raised issues resolved per hour by 14% on average and by 34% for novice and lower-skilled agents, with little effect on the most experienced (Brynjolfsson, Li and Raymond, NBER).
  • Consulting. In an experiment with 758 BCG consultants, those using GPT-4 on tasks inside the AI's capability completed 12.2% more tasks, 25.1% faster, at 40% higher quality. On a task outside that frontier, consultants with AI did worse than those without it (HBS Digital Data Design Institute).
  • Software development. In a 2025 randomized trial with 16 experienced open-source developers working on 246 real issues, developers took 19% longer when AI tools were allowed, yet afterwards believed AI had made them about 20% faster (METR). METR's February 2026 follow-up found the newer data too unreliable to give a clear estimate, partly because many developers would no longer agree to work without AI (METR).
  • The labor market. A study of Danish workers found precise null effects of AI chatbots on earnings and recorded hours two years after ChatGPT's launch, ruling out effects larger than 2% (Humlum and Vestergaard, NBER).

The pattern across these studies: AI saves real time on tasks it handles well, the gains are largest for less experienced people, and self-reported savings can run ahead of measured ones. That is why a company needs its own measurement, not a borrowed average.

How to measure time saved by AI: three methods

  1. Ask people (self-report). Quick and cheap, and useful for finding out why a team is not using a tool. It tends to overstate savings, as the METR result shows, so do not use it as the final number.
  2. Observe usage and task mix. Measure who uses AI, how often, and on which kinds of work, from the tools' own usage data. Apply a time-saved assumption per task category to get an estimate of hours returned. This scales to thousands of employees and updates every week.
  3. Compare groups. Compare output for high-use and low-use groups doing comparable work over the same period, such as tickets resolved, customer meetings booked or pull requests merged. This is the closest a company can get to a field experiment without withholding tools.

Most companies need method 2 to see where AI is used and method 3 to prove the time turned into output. The rest of this article shows how to put them together.

Why can't most companies say where AI saves time?

The claim gets repeated in board decks long before anyone checks it. The reason is that three separate things keep getting collapsed into one: access, activity, and outcome. A Copilot or ChatGPT license report answers access. A weekly active-user chart answers activity. Only a link between AI use and work output answers outcome, and that link is the one almost nobody puts in place.

The distribution matters more than the average. The Anthropic Economic Index, which analyzed over four million Claude conversations, found that AI use concentrates in a narrow set of tasks rather than spreading evenly across all work, with software development and writing together making up nearly half of all usage. If real usage clusters like that, a company-wide "40% adoption" headline is close to meaningless. It averages a team saving four hours a week against a team saving four minutes, and hides the very thing a leader needs to act on. The fix is resolution: measure at the level of team and task, which is what a productivity analytics platform is built to do.

What is an AI efficiency map? Four layers, not one number

An AI efficiency map is a team-by-team, task-by-task view of where AI returns time, in place of one company-wide adoption percentage. A single number is a vanity metric. A useful map is layered, and each layer answers a different question. Worklytics organizes this as a maturity progression that moves from counting who uses AI to proving what that use is worth.

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Worklytics frames AI measurement as a progression: adoption (uptake), then proficiency (what share of work AI touches), then leverage (proven productivity gains).

Read from the bottom up, the map has four working layers:

  1. Adoption: who is using AI at all, and where the blank spots are.
  2. Engagement and proficiency: how deeply people use it, and on which tasks.
  3. Productivity: whether that use moves real output.
  4. Impact: what the recovered time is worth in hours and dollars, after cost.

Each layer only makes sense on top of the one below it. Measuring productivity without knowing proficiency tells you little, because you cannot separate a power user's results from an occasional user's. The rest of this piece walks each layer with the data that lives there.

Layer 1. Who is actually using AI, and who is not?

Adoption is the floor of the map, and the first surprise usually lives here. When Worklytics breaks AI use down by function, the ranking rarely matches intuition. Customer Support and Engineering tend to sit near the top. Sales, Marketing, and HR often sit at the bottom. Worklytics' published 2025 adoption benchmarks by department put real ranges on each function, so you can compare your own floor against them.

Sample chart of AI use by function, with Sales, Marketing, and HR lowest and Customer Support and Engineering highest  Sample chart of AI use by function, with Sales, Marketing, and HR lowest and Customer Support and Engineering highest
Illustrative sample report. Share of each function using AI in a representative sample. Support and engineering lead; sales, marketing, and HR trail.

That ordering carries a direct message for revenue leaders. Sales sits closest to the money yet often shows the smallest AI footprint, which flips the assumption that customer-facing teams adopt fastest. It also means the single largest lever on AI sales team effectiveness is not squeezing more from current users. The baseline is low, so it has room to move. A team in the low double digits has far more upside than one already past two-thirds.

You can only act on that if the adoption view is trustworthy and current. Worklytics builds this layer by connecting usage metadata (records of how often each tool is used, never the content of messages) from the AI tools already in your stack, including ChatGPT, Claude, Microsoft Copilot, Google Gemini, Slack, and Zoom, into one AI adoption dashboard instead of a stack of separate exports from each tool. Because it reads real usage rather than self-reported surveys, the map reflects what people do, not what they say in a training follow-up.

Layer 2. How deeply are they using AI, and on what tasks?

Adoption is a yes or no. Proficiency, meaning how well, and how often, someone uses a tool, is a spectrum, and that distinction is where most dashboards quietly mislead. A rep who pastes one prompt a month and a rep who runs two dozen AI actions a week both register as “active.” Treating them as equal guarantees you will misread the productivity layer above.

Worklytics separates them on two axes. The first is intensity, which sorts users into heavy, light and occasional tiers so the map can weight results by how much someone actually relies on the tool. The second is task type. Worklytics classifies AI activity into work categories such as coding, research, analysis, summarization, drafting and email creation, without storing the content of prompts.

Diagram of how Worklytics classifies AI prompts into task categories such as code generation, email authoring, and research  Diagram of how Worklytics classifies AI prompts into task categories such as code generation, email authoring, and research
Prompts from across the AI stack are sorted into task categories such as code generation, analysis, email authoring, content drafting, and research.

This layer earns its place through inference, not decoration. Once you know that a sales team's AI activity is mostly email drafting and very little research, you can predict its productivity ceiling before you measure output, because drafting returns less time than analysis or preparation. Task-level proficiency is what turns a flat usage number into a diagnosis. Worklytics explains which adoption metrics to track in its guide to the AI adoption KPIs that matter, and the same measurement extends beyond AI to how teams collaborate, focus and communicate.

Layer 3. How do you measure AI sales team effectiveness?

This is the layer executives actually want, and it is where the sales lens pays off. The pattern in Worklytics data is consistent: AI does not lift every activity equally. It compounds where it removes preparation and drafting friction ahead of a human conversation, which is exactly the shape of front-line sales work.

Start with outreach volume. In a representative benchmark, sales development reps who use AI heavily contact about 12.2 unique clients in a week, against 8.5 for reps who use no AI, roughly 30% more accounts reached.

Sample chart showing sales development reps with heavy AI usage reach about 30 percent more clients  Sample chart showing sales development reps with heavy AI usage reach about 30 percent more clients
Illustrative sample report. Unique clients contacted per week per rep. Heavy AI users reach about 30% more accounts than reps using no AI.

The same shape holds in Customer Success. Reps who use AI heavily book about double the external customer meetings of peers who use none, roughly six a week versus three. The mechanism is not magic. AI absorbs the account research, recap drafting, and follow-up writing that used to sit between meetings, so more of the week is spent in front of customers instead of preparing to be.

Sample chart showing Customer Success reps with heavy AI usage book about double the customer meetings  Sample chart showing Customer Success reps with heavy AI usage book about double the customer meetings
Illustrative sample report. Typical weekly customer meetings by AI usage tier. Heavy AI users book about double those who use none.

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The pattern extends past sales. In another representative benchmark, customer support reps who use AI heavily resolve about 80% more tickets a week, 10.5 versus 6, with the largest gains among newer staff. That skew is not unique to Worklytics. The peer-reviewed Generative AI at Work study found a 14% average productivity gain among support agents, rising to 34% for the least experienced. The through-line for revenue teams is the same. AI sales team effectiveness improves most where the tool clears the research, drafting, and preparation that sit in front of a customer conversation, and the reps who gain most are the ones still building their instincts.

Layer 4. What is the recovered time worth?

Productivity gains are only real if you can price them. The top layer of the map turns task-level time savings into a financial figure with a simple, defensible method: estimate the typical time each task takes, multiply the hours saved by a fully-loaded hourly rate, and add it up.

Sample estimate of company-wide AI time saved and dollar value  Sample estimate of company-wide AI time saved and dollar value
Illustrative sample report. A representative Worklytics estimate: about 4 hours saved per employee per week, roughly $6.1M in weekly value, and $29.5M more available by closing adoption gaps.

The figure that should change a leader's behavior is the last one. The gap between value captured today and value available at fuller adoption reframes the conversation. The question stops being “is AI working” and becomes “how much return is stranded in the teams that have not adopted yet.” That is a management problem with a named owner, not a licensing question for procurement.

Impact is only honest when you also account for spend, which is why AI cost tracking belongs in this layer. Worklytics can export usage data into your data warehouse or reporting tool, where it joins each AI tool's billing exports so spend can be attributed to the team that generated it. Read that way, a team's productivity gain sits right next to what it costs to produce.

For the full method, from cost baselines to payback, see the guide to tracking and improving ROI from your AI investments.

Sample dashboard allocating AI spend by department  Sample dashboard allocating AI spend by department
Illustrative sample report. AI spend allocated by department in a representative report, so productivity gains can be weighed against cost.

What drives AI adoption? Managers, more than mandates

Once the map exists, the next question is how to shift the low-adoption teams. The data gives a clear, slightly uncomfortable answer: adoption travels downhill from managers. In a representative sample, teams whose manager is a heavy AI user adopt AI at 37%, nearly double the 20.5% on teams led by a manager who rarely uses it.

Sample chart showing teams with heavy-AI managers adopt at about 37 percent versus about 20 percent  Sample chart showing teams with heavy-AI managers adopt at about 37 percent versus about 20 percent
Illustrative sample report. Team AI adoption when the manager is a heavy AI user versus one who rarely uses it.

The practical takeaway is that a company-wide enablement email is the weakest lever available, and manager behavior is the strongest. To raise AI sales team effectiveness, the fastest path is not another all-hands demo. It is getting sales managers to use AI in their own workflow, because their teams follow. Worklytics breaks AI adoption down by manager as well as by team and role, so you can see which managers' teams have stalled. For why the dynamic exists, see Worklytics on leadership's role in AI adoption. The same platform measures manager effectiveness more broadly, from how often managers hold one-on-ones to how much focus time their teams keep.

How does Worklytics measure this without surveilling people?

None of this works if employees experience it as surveillance, so how the map is built matters as much as what it shows. Worklytics runs on usage metadata, such as how often tools are used and by which team, rather than the content of prompts, messages or documents. Personal identifiers are pseudonymized (hashed with SHA-256) before analysis, and results are only shown for groups above a minimum size, typically 5 to 8 people.

Diagram of the Worklytics privacy filter protecting employee identity before analysis  Diagram of the Worklytics privacy filter protecting employee identity before analysis
A privacy filter removes individual identities before analysis, so the work runs on usage records, not the content of employee messages.

This is the difference between workplace measurement that leaders can defend and monitoring that erodes the trust it depends on. Aggregate, de-identified records give you the resolution to find stranded value without turning the tool into a reason for people to hide their work.

How to build your own AI efficiency map

The four layers are the plan. In practice, the sequence is straightforward:

  • Connect your existing AI and collaboration tools so adoption fills in from real usage, not surveys. Most companies see their first AI adoption metrics within a week, with trend data firming up over the next 30 days.
  • Add proficiency and task categories so you can tell heavy users from occasional ones and see what the AI is doing.
  • Connect usage to output for your revenue-facing teams first, where the tie to results is clearest.
  • Price the recovered hours, after cost, and give each low-adoption team a named owner and a target.

Because the same Worklytics platform already measures employee productivity, engagement, employee well-being, meeting effectiveness, and manager effectiveness, the AI efficiency map does not sit in a silo. It plugs into the fuller picture of how work happens, which is what keeps AI investment accountable quarter after quarter.

Frequently asked questions

How do you measure whether AI is actually saving time?

Combine two measurements. First, track who uses AI, how often and on which kinds of work, from the tools' own usage data, and apply a time-saved assumption per task category. Then check the estimate by comparing output for high-use and low-use groups doing comparable work over the same period.

How much time does AI save at work?

On average, less than headlines suggest. The St. Louis Fed's tracker estimates that generative AI saved about 2.1% of all US work hours in Q3 2026, and its late-2024 survey found users saved 5.4% of their hours, about 2.2 hours a week. Field experiments show much larger gains on tasks AI handles well, such as a 14% rise in issues resolved per hour for support agents.

How can I measure time saved by AI across engineering teams?

Track coding assistant usage by team, such as active days, sessions and the share of pull requests that AI contributed to, and compare merged pull requests and review times for high-use and low-use groups. Pair output with quality signals such as review time, because a 2025 METR trial found experienced developers took 19% longer with AI while believing they were faster.

How do you measure AI productivity gains across a company with thousands of employees?

Use observed usage data, not surveys. Connect your AI tools to one view, break usage down by team, role and task category, and focus on the groups with the most usage and the clearest output measures. Worklytics does this from usage metadata and shows results only for groups above a minimum size.

How is AI usage tracked without reading employee prompts or messages?

Worklytics analyzes usage metadata, such as how often each tool is used and by which team, not the content of prompts, messages or files. Personal identifiers are pseudonymized before analysis, and results are only shown for groups above a minimum size, typically 5 to 8 people.

Ready to see where AI is saving time in your organization? Explore Worklytics to map AI adoption, engagement, productivity, and impact from the tools you already use.

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