Comet
Comet builds AI developer tools, including the open-source Opik platform for monitoring and improving AI agents in production. Over 150,000 developers use its tools, and the company has raised $70M in funding.
The growth story
Comet grew from 57 to 101 employees between 2021 and 2026, raising $70M along the way, most recently a Series B in November 2021.
About
Comet's main product is Opik, an open-source platform that helps developers track, test, and optimize AI-powered agents as they move from development to production. It includes tools to monitor agent behavior, identify issues, and even suggests code fixes.
The company has grown to 101 employees since its 2017 founding, with its last funding round in late 2021. While current headcount growth data is unavailable, the $70M Series B suggests scaling potential in the AI tooling market.
Founders and leadership
Engineering makes up the largest function with 27 employees. Leadership appears technical given the company's focus on developer tools and AI infrastructure.
The Comet org chart
Gideon Mendels (Co-Founder and CEO) leads 31 mapped leaders with 3 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Engineering 30 (+7% YoY), Sales 10 (0% YoY), Administrative 9 (+29% YoY), Operations 9 (+50% YoY), Information Technology 8 (+14% YoY), Business Development 5 (+25% YoY).
Talent flow
Comet draws talent from AI and data companies like Galileo, Google, and DataRobot. Alumni have moved to AI-focused firms including Voxel51 and Anaconda, showing continued specialization in the space.
Most common previous employers of Comet staff: Galileo (3), Google (3), DataRobot (3), GroupWize (2), IBM (2), VictorOps (2). Former Comet employees most often moved to Voxel51 (2), Anaconda (2), Fairmarkit (2), Data Moves Me (1), MGM Resorts International (1), The OpenClaw Foundation (1).
Alumni worth knowing
The Comet mafia
Four alumni have founded companies, including TapIn (22 staff) and three smaller startups, indicating some entrepreneurial spillover from Comet's technical team.
4Web traffic
Traffic mix: 51% direct, 29% search, 6% social, 6% paid.
What this company is made of
Most common skills at Comet: Python (Programming Language) (33), Machine Learning (27), SQL (23), Leadership (21), Amazon Web Services (AWS) (20), JavaScript (20), Management (19), Git (19).
Where the team actually sits
Comet people are concentrated in New York, United States (4), England, United Kingdom (4), Florida, United States (3), California, United States (3).
Search footprint
Comet attracts about 8,447 organic search visits a month, traffic worth roughly $18K a month if bought through ads. It gained 843 ranking keywords and lost 686 in the last period.
What employees say
- Compensation
- 4.20 / 5
- Career opportunities
- 4.20 / 5
- Senior management
- 4.30 / 5
- Work-life balance
- 4.20 / 5
Frequently asked
Comet has 101 employees as of September 2026.
Comet has raised $70M in total, most recently a Series B round in November 2021.
Comet was founded in 2017 by Gideon Mendels, Nimrod Lahav.
Gideon Mendels (Co-Founder and CEO) sits at the top of Comet's reporting structure, with 3 direct reports.
The most common previous employers of current Comet staff are Galileo (3 people), Google (3 people), DataRobot (3 people).
Former Comet employees most often move to Voxel51 (2), Anaconda (2), Fairmarkit (2).
At least 4 companies have a founder who previously worked at Comet, including TapIn, Acolite, Emissarii.
Comet attracts about 8,447 organic search visits a month, worth roughly $18K a month in equivalent ad spend.
The most common skills among Comet staff are Python (Programming Language), Machine Learning, SQL, Leadership, Amazon Web Services (AWS).
Comet staff are concentrated in New York, United States (4), England, United Kingdom (4), Florida, United States (3).
Comet has about 30 people in Engineering, up 7% over the past year, as of September 2026.
Comet has about 10 people in Sales, up 0% over the past year, as of September 2026.
Computed from 64 current and 135 former Comet profiles, as of September 2026. Source: Crustdata.
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