Updated 9 Nov 2026
MOSTLY AI competitors in 2026, ranked by revenue.
The largest companies that sell what MOSTLY AI sells, by the money on record: Mercor (over $2B, run rate, Jun 2026), Surge AI ($1.2B, FY2024), micro1 ($1B, run rate, Oct 2026), Scale AI (about $1B, FY2025) and Snorkel AI ($375M, run rate, Sep 2026). MOSTLY AI itself is #36 of 60, on $30M raised.
124 companies on our register sell datasets, as MOSTLY AI does, read on their own pages. 59 have revenue, a valuation or funding on record and are ranked below with MOSTLY AI, every figure linked to the filing or article it comes from.
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MOSTLY AI and its 59 ranked competitors
35 of them rank above MOSTLY AI. Each company is ranked on the first of these it has on record: its revenue over twelve months (a run rate or a year as published, or its last four quarters added up; an AI segment where the rest of its business is not AI data), then its newest valuation, then the money it disclosed raising. No company pays for a place.
| # | Company | Ranked on | Measure | Valuation | Sells | Pays companies for data |
|---|---|---|---|---|---|---|
| 1 | Mercor | over $2B | Revenue, run rate, Jun 2026 | $10B | RL environments, Datasets, Expert and human data, Evaluations and benchmarks | Through our introductions |
| 2 | Surge AI | $1.2B | Revenue, FY2024 | RL environments, Datasets, Expert and human data, Evaluations and benchmarks | ||
| 3 | micro1 | $1B | Revenue, run rate, Oct 2026 | $4B | RL environments, Evaluations and benchmarks, Expert and human data, Datasets | Through our introductions |
| 4 | Scale AI | about $1B | Revenue, FY2025 | $29B | Labeling software, RL environments, Datasets, Expert and human data, Evaluations and benchmarks, Annotation, Simulation | Through our introductions |
| 5 | Snorkel AI | $375M | Revenue, run rate, Sep 2026 | $3.5B | Labeling software, Datasets, RL environments, Expert and human data, Evaluations and benchmarks, Annotation | |
| 6 | Innodata | $350M | Revenue, 12 months to Sep 2026 | Labeling software, RL environments, Datasets, Expert and human data, Evaluations and benchmarks, Annotation | ||
| 7 | Turing | about $300M | Revenue, run rate, Mar 2025 | $2.2B | RL environments, Datasets, Expert and human data, Evaluations and benchmarks | Through our introductions |
| 8 | TaskUs | over $250M | Revenue, 12 months to Sep 2026 (AI Services) | Annotation, Expert and human data, Datasets | ||
| 9 | Appen | $249M | Revenue, 12 months to Jun 2026 | Labeling software, Datasets, Expert and human data, RL environments, Evaluations and benchmarks, Annotation | Its own programme | |
| 10 | Proximal | $200M | Revenue, run rate, Sep 2026 | $300M | Evaluations and benchmarks, Datasets | |
| 11 | Invisible Technologies | $134M | Revenue, FY2024 | over $2B | RL environments, Datasets, Expert and human data, Evaluations and benchmarks, Annotation | |
| 12 | AfterQuery | $100M | Revenue, run rate, Apr 2026 | $3.2B | RL environments, Datasets, Expert and human data, Evaluations and benchmarks | Through our introductions |
| 13 | Arena | $100M | Revenue, run rate, Oct 2026 | $3.1B | Evaluations and benchmarks, Datasets | |
| 14 | Mecka | $100M | Revenue, run rate, Jun 2026 | about $500M | Datasets, Expert and human data, Evaluations and benchmarks | |
| 15 | Wirestock | $40M | Revenue, run rate, May 2026 | Datasets, Expert and human data | Its own programme | |
| 16 | Toloka | $26.4M | Revenue, FY2024 | RL environments, Datasets, Expert and human data, Evaluations and benchmarks, Annotation | ||
| 17 | Eigent AI | $12M | Revenue, run rate, Oct 2026 | RL environments, Datasets, Evaluations and benchmarks | ||
| 18 | Mechanize | $500M | Valuation, 2026 | RL environments, Evaluations and benchmarks, Datasets, Simulation | ||
| 19 | Vals AI | $400M | Valuation, 2026 | Evaluations and benchmarks, Datasets | ||
| 20 | Kled | $100M | Valuation, 2025 | Datasets, Expert and human data, Evaluations and benchmarks, Annotation | Its own programme | |
| 21 | Lightwheel | $145M | Money raised, disclosed | Datasets, Expert and human data, Evaluations and benchmarks, Annotation, Simulation | ||
| 22 | Encord | $90M | Money raised, disclosed | Labeling software, Annotation, Expert and human data, Datasets, Evaluations and benchmarks | ||
| 23 | CloudFactory | $75.3M | Money raised, disclosed | Datasets, Annotation, Expert and human data, Evaluations and benchmarks | ||
| 24 | Patronus AI | $70M | Money raised, disclosed | RL environments, Datasets, Expert and human data, Evaluations and benchmarks, Simulation | Through our introductions | |
| 25 | XDOF | $70M | Money raised, disclosed | Evaluations and benchmarks, Datasets, Annotation | ||
| 26 | Defined.ai | $63.4M | Money raised, disclosed | Datasets, Expert and human data, Annotation, Evaluations and benchmarks | Its own programme | |
| 27 | Centific | $60M | Money raised, disclosed | RL environments, Datasets, Expert and human data, Evaluations and benchmarks, Annotation | Its own programme | |
| 28 | SuperAnnotate | $52.5M | Money raised, disclosed | Labeling software, Expert and human data, RL environments, Evaluations and benchmarks, Annotation, Datasets | Its own programme | |
| 29 | David AI | $50M | Money raised, disclosed | Datasets, Expert and human data, Evaluations and benchmarks | ||
| 30 | Deeptune | $43M | Money raised, disclosed | RL environments, Datasets | ||
| 31 | Tonic.ai | $43M | Money raised, disclosed | Datasets | ||
| 32 | Bespoke Labs | $40M | Money raised, disclosed | RL environments, Evaluations and benchmarks, Datasets, Simulation | ||
| 33 | Gray Swan AI | $40M | Money raised, disclosed | Evaluations and benchmarks, Datasets | ||
| 34 | Prolific | $33.2M | Money raised, disclosed | Evaluations and benchmarks, Expert and human data, Datasets, Annotation | ||
| 35 | Luel | $31.2M | Money raised, disclosed | Datasets, Expert and human data, Evaluations and benchmarks, Annotation | ||
| 36 | MOSTLY AI | $30M | Money raised, disclosed | Datasets | ||
| 37 | Deccan AI | $25M | Money raised, disclosed | RL environments, Datasets, Expert and human data, Evaluations and benchmarks, Annotation | ||
| 38 | iMerit | $23.5M | Money raised, disclosed | Labeling software, Expert and human data, Evaluations and benchmarks, Annotation, Datasets | ||
| 39 | SimpleClosure | $19M | Money raised, disclosed | Datasets | Its own programme | |
| 40 | Datacurve | $15M | Money raised, disclosed | RL environments, Datasets, Expert and human data, Evaluations and benchmarks, Annotation | Its own programme | |
| 41 | Midcentury | $15M | Money raised, disclosed | Datasets, Expert and human data, Simulation, Evaluations and benchmarks, Annotation | ||
| 42 | Chakra Labs | $10.1M | Money raised, disclosed | RL environments, Expert and human data, Evaluations and benchmarks, Datasets | ||
| 43 | BioStack Platforms | $9.5M | Money raised, disclosed | RL environments, Datasets, Evaluations and benchmarks, Simulation | ||
| 44 | Idler | $9M | Money raised, disclosed | RL environments, Datasets, Evaluations and benchmarks, Simulation | Its own programme | |
| 45 | Perle AI | $9M | Money raised, disclosed | Datasets, Expert and human data, Evaluations and benchmarks, Annotation | ||
| 46 | Human Archive | $8.2M | Money raised, disclosed | Datasets, Expert and human data, Annotation | ||
| 47 | Bifrost | $8M | Money raised, disclosed | Datasets, Simulation, Evaluations and benchmarks | ||
| 48 | Runloop | $7M | Money raised, disclosed | Evaluations and benchmarks, Datasets, RL environments | ||
| 49 | SKY ENGINE AI | $7M | Money raised, disclosed | Datasets | ||
| 50 | clickworker | $6.03M | Money raised, disclosed | Datasets, Annotation | ||
| 51 | Rendered.ai | $6M | Money raised, disclosed | Datasets | ||
| 52 | VisionLab AI | $6M | Money raised, disclosed | Datasets, Annotation, Expert and human data | ||
| 53 | Build AI | $5M | Money raised, disclosed | Datasets, Evaluations and benchmarks | ||
| 54 | Latch | $5M | Money raised, disclosed | Evaluations and benchmarks, Datasets, Annotation | ||
| 55 | Troveo | $4.5M | Money raised, disclosed | Datasets, Annotation | Its own programme | |
| 56 | Good Start Labs | $3.6M | Money raised, disclosed | RL environments, Datasets, Expert and human data, Evaluations and benchmarks, Annotation | ||
| 57 | Gradient Health | $2.75M | Money raised, disclosed | Datasets | Says it buys data | |
| 58 | Poindexter Labs | $2.7M | Money raised, disclosed | Datasets, Expert and human data, Evaluations and benchmarks, Annotation | ||
| 59 | YData | $2.7M | Money raised, disclosed | Datasets | ||
| 60 | Betterdata | $1.55M | Money raised, disclosed | Datasets |
Competitors with no money on record (65)
6thSense, Abaka AI, Abundant, Anthromind, Anyverse, Aptura, Asimov, Aviro, Besimple AI, Claru, Collinear, Contra Labs, Cortex AI, Cua, DARE Labs, DataOcean AI, Datoric, Dissei, EdotEnv, Emulated, Enact, Exabite, exponential, Fleet, Foundry AI, Hillclimb, Hitech BPO, Humyn Labs, Huzzle Labs, Incalmo, Karya, Keymakr, Labellerr, LXT, Magma, Markov, Metaphi, Normal, Olam Labs, Ooak, OpenTrain AI, Paper Instruments, Parsewave, Petrarch, Pixelstwo, Prime Intellect, ReasonCore, Refresh, Revelo, Rise Data Labs, Sepal AI, Shaip, Sieve, Symbal, Syntho, Tacit Labs, TELUS Digital, TrainAI by RWS, Uber AI Solutions, Ulam, Unidata, Vetto AI, Vibrant Labs, Welocalize, Zeton.
- Who is a competitor.
- A company whose own pages, read word for word, say it sells at least two of the things MOSTLY AI sells. Not our opinion of who competes, and nobody pays to be here.
- The place.
- Each company's place among these, renumbered from its place on the whole register's ranking (/best), by the same rule.
- Pays companies for data.
- "Through our introductions": it takes companies' data through AIData.Broker's introductions and pays us a referral fee when one goes ahead. That never moves its place: the order is the money on record. "Its own programme": a published programme for buying data. "Says it buys data": its own words, linked.
The latest money moves
The newest rounds, valuations and revenue figures among MOSTLY AI and its competitors, each linked to its record.
- 5 Nov 2026Innodata reported $350M revenue (12 months to Sep 2026)
- 4 Nov 2026TaskUs reported over $250M revenue (12 months to Sep 2026, AI Services)
- 22 Oct 2026BioStack Platforms raised $9.5M
- 12 Oct 2026micro1 was valued at valuation of $4B
- 12 Oct 2026micro1 reported $1B revenue (run rate, Oct 2026)
- 9 Oct 2026Eigent AI reported $12M revenue (run rate, Oct 2026)
- 8 Oct 2026Arena raised $200M at a valuation of $3.1B
- 8 Oct 2026Arena reported $100M revenue (run rate, Oct 2026)
The questions people ask
- Who are MOSTLY AI's competitors?
- 124 companies on our register sell datasets, as MOSTLY AI does. The largest by the money on record: Mercor at over $2B (run rate, Jun 2026), Surge AI at $1.2B (FY2024), micro1 at $1B (run rate, Oct 2026). MOSTLY AI is #36 of the 60 with money on record, on $30M raised.
- Who is MOSTLY AI's biggest competitor?
- Mercor, by the money on record: over $2B (run rate, Jun 2026), against MOSTLY AI's $30M raised. Mercor sells datasets, as MOSTLY AI does.
- Which of MOSTLY AI's competitors buy data from companies?
- 27 of them take data from the companies that hold it, through a published programme or in their own words: Mercor, micro1, Scale AI, Turing, Appen, AfterQuery, Wirestock, Kled and others.
Where MOSTLY AI ranks
Its place on each list of the market it belongs to, by the same rule.