Cosine AI

San Francisco, United States Founded: 2022 • Age: 4 yrs
Autonomous AI software is developed to execute engineering tasks independently.

About Cosine AI

Cosine AI is a company based in San Francisco (United States) founded in 2022 by Sam Stenner, Yang Li, and Alistair Pullen. It operates as a AI-as-a-Service. Cosine AI has raised $2.63 million across 2 funding rounds from investors including Lakestar, UpHonest Capital and Soma Capital. Cosine AI offers products and services including Cosine Agentic AI. Cosine AI operates in a competitive market with competitors including Tabnine, Cognition, Sourcegraph, Augment and Reflection.Ai, among others.

  • Headquarter San Francisco, United States
  • Founders Sam Stenner, Yang Li, Alistair Pullen
  • Sectors
    Technology
  • Website category Computers Electronics and Technology · Programming and Developer Software
  • Email
    β€’β€’β€’β€’β€’β€’β€’β€’
  • Website cosine.sh
  • Social LinkedIn X
Key Metrics
  • Total Equity Funding
    $2.63M (USD)

    in 2 rounds

  • Latest Funding Round
    $2.5M (USD), Seed

    Aug 2024

  • Investors
    Lakestar

    & 4 more

Products & Services of Cosine AI

Cosine AI offers a comprehensive portfolio of products and services, including Cosine Agentic AI.

Cosine Agentic AI
AI Coding Agent

AI agent automates coding tasks in live codebases.

Funding Insights of Cosine AI

Cosine AI has successfully raised a total of $2.63M across 2 strategic funding rounds. The most recent funding activity was a Seed round of $2.5 million completed in August 2024. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.

  • Total Funding $2.63M
  • Total Rounds 2
  • Last Round Seed β€” $2.5M
  • First Round $125,000

    (Jun 2023)

  • Investors Count 5

All 2 funding rounds of Cosine AI with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.

DateAmountTransaction NameValuationLead InvestorsInvestors
Aug 2024$2.5MSeed–UpHonest Capital, Soma Capital
Jun 2023$125,000Seed––
Valuation history

5 investors in total: 5 institutional.

Investors in Cosine AI

Cosine AI has secured backing from 5 investors, including venture fund investors. Prominent investors backing the company include Lakestar, UpHonest Capital and Soma Capital.

All
Venture Fund
InvestorDescriptionFounded YearDomainLocation
Early-stage venture capital investments are made by UpHonest Capital.
–uphonestcapital.comSan Francisco, United States
Early-stage investments are provided by Soma Capital to startups.
–somacap.comSan Francisco, United States
Venture capital investment firm
2012lakestar.comZurich, Switzerland
A platform for connecting startups with investors is operated.
–gofocal.vcLondon, United Kingdom
Early-stage startups are accelerated via funding and educational programs.
–ycombinator.comMountain View, United States
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Investor details for Cosine AI

The complete investor list, round-by-round participation and investor portfolios require an active premium plan.

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  • Round participation
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People of Cosine AI

3 people are tracked at Cosine AI (3 in leadership).

NameRoleGroup
Sam Stenner
Co-FounderLeadership
Yang Li
Co-FounderLeadership
Alistair Pullen
Co-Founder & CEOLeadership
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Complete people profiles for Cosine AI

Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.

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Timeline of Cosine AI

3 dated milestones of Cosine AI across 2 years, from founding to its latest funding, stage changes and deals.

  1. Founded Cosine AI is founded.
  2. Funding First funding round of $125K.
  3. Funding Latest funding round, Seed, of $2.5M.

Competitors of Cosine AI

Cosine AI operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as Tabnine, Cognition, Sourcegraph, Augment and Reflection.Ai, among others.

Company NameDomainFoundedHQ LocationTotal fundingEmployeesDescription
tabnine.com2017Tel Aviv, Israel$101.5M–
AI powered coding assistant for developers
cognition.ai2023San Francisco, United States$696M–
AI software engineer is developed to automate coding tasks.
sourcegraph.com2013San Francisco, United States$223M115
A platform for code search, analysis, and modification is developed.
augment.market2022Austin, United States––
A platform for trading private shares in pre-IPO companies is provided by Augment.
reflection.ai2025New York, United States$2.13B–
Provider of AI coding assistant
magic.dev2022San Francisco, United States$466.08M7
AI-driven code completion and generation solutions are offered.
raycast.com2020London, United Kingdom$47.83M5
Source code discovery tools are provided via command line interface.
codiga.io2018San Francisco, United States$2.12M–
Codiga is recognized for providing static code analysis tools.
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Detailed competitors of Cosine AI

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Verified entity values are shown only after access is granted.

Web traffic of Cosine AI

The website of Cosine AI (cosine.sh) receives about 59.3K visits a month and ranks #312,175 among all websites worldwide, #7,338 in Programming and Developer Software.

  • Monthly visits
    59.3K

    ▼ 41.1% vs previous month

  • Unique visitors
    33.4K

    per month

  • Global rank
    #312,175

    among all websites

  • Category rank
    #7,338

    Computers Electronics and Technology · Programming and Developer Software

Similar websites

Websites whose visitors overlap most with Cosine AI. Affinity shows how closely the audiences match.

WebsiteDomainAudience affinityMonthly visitsGlobal rankProfile
davegray.codes
davegray.codes
100%
–#1,038,104–
pedroalonso.net
pedroalonso.net
99%
–#3,078,189–
cohorte.co
cohorte.co
97%
–#668,019–
codegen.com
89%
50.3K#416,662View details
programai.co
programai.co
88%
–#2,334,179–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
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All 30 similar websites and full traffic analytics for Cosine AI

The complete similar-websites list, audience overlap and engagement analytics require an active premium plan.

  • 30 similar websites
  • Audience overlap
  • Engagement analytics
  • Traffic by brand

Verified entity values are shown only after access is granted.

Latest news on Cosine Ai

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Complete news archive for Cosine AI

Full article history, source details, and older brand coverage require an active premium plan.

  • Full article archive
  • Source and publication date
  • Older coverage
  • Brand-specific news history

Verified entity values are shown only after access is granted.

Similar companies to Cosine AI

10 companies that operate in the same segment as Cosine AI (Agentic AI Applications), ranked by their profile score on The Company Check.

CompanyDescriptionFoundedLocationTotal fundingRevenueEmployees
AI-based voice transcription for meetings is provided via cloud software.
2016Los Altos, California, United StatesUSD 70 M––
An agentic AI platform is developed for biomedical research insights.
2016Paris, FranceUSD 354.1 M––
AI-powered customer engagement and omnichannel marketing platform is provided.
1998Mumbai, Maharashtra, IndiaUSD 5.46 MUSD 99.73 M865
AI and web-based visibility solutions for supply chains are developed.
2014Chicago, Illinois, United StatesUSD 243.3 MUSD 14.8 M302
AI powered application development platform
2016Foster City, California, United StatesUSD 921.9 M––
Safety-focused generative AI for healthcare applications is developed.
2022Palo Alto, California, United StatesUSD 402 M–61
AI platform streamlines IT service management and employee experiences.
2022San Francisco, California, United StatesUSD 40.31 M––
Provider of an end-to-end AI agent builder platform
2012San Francisco, California, United StatesUSD 368.56 M––
AI powered coding assistant for developers
2017Tel Aviv, IsraelUSD 101.5 M––
Chat APIs and SDKs are provided for app messaging integration.
2013San Mateo, California, United StatesUSD 218.13 M––
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Frequently Asked Questions about Cosine AI

Cosine AI was founded in 2022 and raised its 1st funding round 1 year after it was founded.

Cosine AI is headquartered in San Francisco, United States. It is registered at San Francisco, California, United States.

Alistair Pullen is the current CEO of Cosine AI. They have also founded this company.

Cosine AI is a funded company, having raised a total of $2.63M across 2 funding rounds to date. The company's 1st funding round was a Seed of $125K, raised on Jun 2023.

Cosine AI is engaged in developing agentic AI software for coding automation. The company specializes in solutions that operate within live codebases, handling complex tasks without human supervision. Integration with tools like Slack, Jira, and Linear is provided to streamline workflows. The proprietary Genie 2 model powers their offerings, achieving high performance in production-grade tasks. Their technology is positioned as a leading solution for software development challenges across various sectors.

Cosine AI's top competitors include Tabnine, Cognition and Magic AI.

Cosine AI offers Cosine Agentic AI.

Cosine AI has 5 investors. Key investors include Lakestar, UpHonest Capital, Soma Capital, Onstage, and Y Combinator.

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