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Cosine

Cosine

Private
LondonAI, Data & Cloud Infrastructurehttps://cosine.sh/

Last Round

VC Round

Jun 1, 2026

Total Funding Raised

$3M

Momentum

Top 10%

of companies Caplight tracks

Company Overview

Cosine is a software company that develops an AI-powered agentic software engineering platform designed to assist development teams in automating coding tasks, bug fixing, and documentation generation.

Sector

AI, Data & Cloud Infrastructure

Verticals

NLP & Conversational AI, DevOps & Containers, Workflow Automation

Business Model

B2B

Customer Profile

Subscription SaaS, Usage-Based SaaS

AI Layer

Foundation

Keywords

autonomous coding agentAI software engineerfoundation modelcodebase navigationvibe codingfrontier ai labautomated code generationsovereign AIair-gapped deploymentSaaS platformAI agent securitydeveloper productivitysoftware engineering toolsdefense tech

Historical Pricing

Historical view of private secondary pricing and transaction trends.

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Cosine Comps

Public and private peers based on sector, stage, and business model.

Cosine comps — public and private peers by sector, stage, and business model
CompanyStatusEst. ValuationRev Multiple
OpenAIPrivate$86.0B~40x
CoherePrivate$5.0B--
Competitor 1Public$XX.XBXXx
Competitor 2Public$XX.XBXXx

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Cosine Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
VC RoundJun 1, 2026
VC RoundDec 30, 2024
SeedAug 12, 2024
AcceleratorJan 1, 2023

Key People

Founding team and executive leadership

Pandelis Zembashis

CTO

Executive Team

Cosine Investors

Notable investors and investment history

Cosine investors
InvestorRounds
GaingelsVC Round
Multimodal VenturesVC Round
LakestarVC Round, Seed
UpHonest CapitalSeed
Y CombinatorSeed, Accelerator
Soma CapitalVC Round, Seed
Focal VCSeed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Apr 19, 2026

    AI models outperformed OpenAI, Anthropic, Mistral, and DeepSeek on coding benchmarks for two years.

  • Apr 19, 2026

    Selected by UK government for £500M Sovereign AI programme.

Cosine Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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Cosine Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about Cosine's valuation, stock price, and market status.

Firmographic Details

HeadquartersLondon
Employee Range37
Year Founded2022
Last FundingJun 1, 2026

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