Co-one
Co-one is an Estonian AI reliability and governance platform that evaluates, monitors, and secures LLM and AI agent deployments for enterprises in banking, e-commerce, and AI development, via a nine-product AI LAB suite covering hallucination detection, RAG observability, version control, and sub-10ms security guardrails.
- Company typePrivate
- Founded2021
- HeadquartersTallinn, Estonia
- Headcount11–50
- GTM typeB2B
- OfferingSoftware
Co-one firmographics
Firmographics- Name
- Co-one
- Legal name
- Co One OÜ
- Website
- https://co-one.co
- Company type
- Private
- Founded year
- 2021
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Co-one is an Estonian AI reliability and governance platform that evaluates, monitors, and secures LLM and AI agent deployments for enterprises in banking, e-commerce, and AI development, via a nine-product AI LAB suite covering hallucination detection, RAG observability, version control, and sub-10ms security guardrails.
- Ownership category
- akta.pro rank
Co-one industry classification
Industry- Product category
- AI Reliability & Governance Platform
- NAICS
- Software Publishers (5132)
- SIC
- Services-Prepackaged Software (7372)
- akta.pro primary industry
- AI Observability, Monitoring & Evaluation Platforms (Drift, Quality, Safety) (HDAEANAF)
- akta.pro secondary industries
- Responsible AI, Security & Privacy Platforms (Safety, Guardrails, PII) (HDAEANAG), Enterprise AI Governance, Risk & Compliance Platforms (Model Risk, Audit, Policies) (HDAEANAE), Model Governance, Risk & Compliance (GRC) Platforms (HDAAAKAA), End-to-End Enterprise AI Platforms (MLOps & Model Lifecycle Management) (HDAEANAA)
Keywords
Where Co-one is headquartered
LocationHeadquarters
- HQ city
- Tallinn
- HQ country
- Estonia
- HQ region
- Europe
Offices2 records
Markets served
Co-one business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Infrastructure, Marketing or Sales, Operations
Revenue model
- SaaS Subscription - Developer Tier: Free tier for individual developers testing AI evaluation with limited usage caps (200 evaluation rows, 1 project, 3-day log retention)
- SaaS Subscription - Team Tier: $99/month subscription for startups and small teams with 5 seats, 10,000 evaluation rows, 10 simulation runs, 90-day log retention. Includes full evaluator, synthetic simulation generation, multi-turn chatbot simulations, prompt management, and policy firewall models
- Enterprise Custom Contracts: Custom unlimited plans for large organizations with dedicated infrastructure/VPC deployment, SSO/SAML, RBAC, audit logs, deployment gating, priority support and SLA, dedicated onboarding
- Usage-based Overage Charges: Metered usage billing for evaluation rows ($10/1,000 rows), simulation runs ($15/run), and policy firewall checks ($10/5,000 checks). Annual billing offers two months free on Team tier
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Freemium | Monthly | Free tier for individual developers - basic AI evaluation and simulation testing |
| Subscription | Monthly | $99/month for startups and small teams building AI agents |
| Subscription | Multi-year contract | Custom enterprise plan with unlimited scale and dedicated support |
| Usage-based | Pay-as-you-go | Usage-based overage charges for Team plan exceeded limits |
Go-to-market motion2 records
Distribution channels4 records
Marketing channels4 records
Co-one product offering
Product offeringCore offering
Co-one sells an AI reliability and governance platform (AI LAB) that evaluates, simulates, monitors, and secures LLM-based and AI agent systems across their full lifecycle. The platform combines proprietary Reliability Guard Models, Dynamic Grounding Verification, LLM-as-a-Judge evaluation, and a sub-10ms PromptGuard firewall to convert non-deterministic AI outputs into auditable enterprise assets for banking, e-commerce, and AI development customers. The company also offers crowdsourced data labeling services through a network of 9,000+ freelance labelers, and vertical-specific platforms (Agentic Suite for banking, Data OS for e-commerce).
Product overview
Co-one is an AI reliability and governance platform that transforms AI from a black-box technology into auditable, predictable enterprise assets. The platform operates as a unified platform-plus-modules architecture centered on the AI LAB suite, which provides comprehensive testing, evaluation, and monitoring capabilities across the entire AI lifecycle. AI LAB consists of five core products under the Evaluation category: LLM Output Evaluation (real-time accuracy scoring), AI Simulation Engine (synthetic user testing), Prompt Management (versioned prompt registry), AI Agent Version Control (rollback and diffing tools), and AI Agent Tool Calling Evaluation (function execution audit). The Monitor category includes AI Log Explorer (deep trace analysis) and Safety Violation Detection (unsafe output detection). Security Guardrails encompass PromptGuard (low-latency AI firewall) and Data Loss Prevention (PII redaction for AI era). The platform is complemented by three pricing tiers (Developer, Team, Enterprise) targeting individual developers through large enterprises. Co-one also offers Agentic Suite and Data OS platforms for enterprise e-commerce and banking sectors.
Differentiator
Problem solved
Functional benefit
Products and services
- LLM Output Evaluation Real-time accuracy scoring platform providing 0-1 normalized Reliability Scores for LLM interactions, with automated LLM-as-a-Judge evaluation, hallucination detection, RAG observability, and grounding verification against knowledge bases for enterprise teams operating AI in production.
- AI Simulation Engine Synthetic user testing platform that generates thousands of custom scenarios from enterprise documentation (PDFs, CSVs, XLSX) to enable LLM stress testing, regression testing, and edge case discovery prior to production deployment for AI engineering and QA teams.
- Prompt Management Versioned prompt registry providing git-like versioning, prompt diff viewer, performance benchmarking, rollback capability, and secure templating with variable injection, enabling non-technical domain experts to refine AI behavior without redeployment.
- AI Agent Version Control Comprehensive versioning and audit tooling for AI agent lifecycle management, providing visual side-by-side diff comparison of system prompts and model parameters, impact quantification, reliability delta tracking, instant rollback, and deployment gates with configurable score thresholds.
- AI Agent Tool Calling Evaluation 360-degree audit platform for autonomous agent function execution, evaluating tool selection precision, schema adherence, sequence validity, and execution safety while detecting tool injection attempts and unauthorized access in agentic workflows.
- AI Log Explorer Deep trace analysis platform providing full-trace observability for AI interactions, capturing RAG context, token usage, latency profiling, and chain-of-thought reasoning for atomic-level inspection of prompts, retrieved context, and model reasoning per interaction.
- Safety Violation Detection Real-time ethical guardrails platform vetting AI responses for bias, toxicity, and non-compliance with multi-layered detection, customizable sensitivity, and support for 50+ languages for compliance and trust teams operating AI in regulated environments.
- PromptGuard (Policy Firewall) Low-latency AI firewall providing sub-10ms policy enforcement through specialized security models that detect policy violations, prompt injections, and PII leaks, with input guard, output guard, and DLP shield capabilities for inference protection.
- Data Loss Prevention PII leak control and data redaction engine for AI applications providing real-time detection and masking of phone numbers, emails, national IDs, and other sensitive identifiers with input masking, output redaction, and global regex pattern matching.
- Data Labeling Services (Kovan App) Crowdsourced AI data annotation service delivering image, video, and text labeling through a network of 9,000+ freelance labelers via the Kovan App, supporting AI training datasets for startups, healthcare, e-commerce, and research institutions.
- Agentic Suite Vertical AI reliability platform for banking enterprises enabling validated AI agent development on unstructured data, building on the AI LAB evaluation foundation to address hallucination, compliance, and governance requirements in financial workflows.
- Data OS Vertical AI reliability platform for e-commerce enterprises enabling validated AI agent development on unstructured product and catalog data, extending the AI LAB foundation to support search optimization, catalog enrichment, and conversion-focused AI use cases.
Quantifiable outcome
- Reduced intent correction rates from 70% to below 50% for banking customer
- +5 more outcomes
Companies that use Co-one
Customer profileNamed customers6 records
Segments4 records
Ideal customer profiles3 records
Co-one technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration3 records
AI capability8 records
Feature10 records
Co-one partnerships and signals
Strategic signalPartnerships
Three partnerships are on record, tiered core and minor.
- Hamad Bin Khalifa University - Qatar Computing Research Institute (HBKU-QCRI)corePartnership for satellite imagery vehicle data labeling project. Processed 4,300 high-resolution satellite images with 100,000+ precise vehicle labels using advanced oriented bounding box annotation for urban surveillance AI models.
- Google Turkey & Endeavor Turkey (AccelerateX Program)minorSelected as one of 12 startups out of 200 applicants for 3-month intensive growth program. Provided specialized mentorship, growth workshops, and networking opportunities.
- afetharita.comminorPost-earthquake disaster relief partnership providing AI-driven building damage assessment. Processed satellite imagery to identify damaged vs undamaged structures for search and rescue prioritization.
Scale indicators8 records
Recent moves8 records
Expansion highlights7 records
Co-one competitors and assessment
Company assessmentDirect peers
- Arize AI: Arize AI is a leading AI observability and LLM evaluation platform offering tracing, evaluation, and monitoring for production AI. It directly competes with Co-one's AI LAB suite in LLM reliability scoring, hallucination detection, and RAG observability for enterprise buyers.
- WhyLabs: WhyLabs provides an AI observability platform for LLM and ML model monitoring, including data drift, performance, and quality evaluation. It is a direct competitor in the AI observability, monitoring, and evaluation platform category that Co-one targets.
- LangSmith: LangSmith (by LangChain) is a developer platform for debugging, testing, evaluating, and monitoring LLM applications. It is a direct competitor to Co-one's LLM Output Evaluation, AI Simulation Engine, and Prompt Management modules with strong PLG adoption among AI developers.
- Fiddler AI: Fiddler AI offers an AI observability and model governance platform with LLM evaluation, hallucination detection, and safety monitoring. It is a direct competitor targeting the same enterprise AI governance and evaluation use cases Co-one addresses.
- Galileo: Galileo provides an AI evaluation and observability platform for LLM applications, including hallucination detection, safety guardrails, and agent reliability. It is a direct competitor to Co-one's AI LAB evaluation, monitor, and security guardrails modules.
- Braintrust: Braintrust is an AI evaluation and observability platform purpose-built for production LLM applications, offering prompt versioning, evaluation workflows, and logging. It directly overlaps with Co-one's Prompt Management, AI Agent Version Control, and AI Log Explorer products.
- Patronus AI: Patronus AI provides automated evaluation, safety, and security testing for LLM applications, including hallucination detection and PII protection. It is a direct competitor to Co-one's Safety Violation Detection, PromptGuard, and Data Loss Prevention modules.
Emerging players
- Helicone: Helicone is an open-source LLM observability platform offering logging, monitoring, and evaluation for AI applications. It overlaps with Co-one's AI Log Explorer and LLM Output Evaluation but is more developer-focused with weaker enterprise sales motion.
- Langfuse: Langfuse is an open-source LLM engineering platform for tracing, evaluation, prompt management, and monitoring. It is an emerging competitor in the developer tier of Co-one's market, particularly for AI teams adopting LangChain-style workflows.
Broad incumbents
- Datadog: Datadog is a broad cloud monitoring and observability incumbent that has expanded into AI/LLM observability with LLM tracing and evaluation features. As a BROAD_INCUMBENT, it bundles AI monitoring into a wider observability suite, threatening standalone players like Co-one at the high end of the enterprise market.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks6 records
Key highlights7 records
Customer concentration
Co-one social profiles
Digital presenceCo-one compliance and trust
Trust signalCompliance5 records
Co-one financial estimates
Financial estimateRevenue estimate
Valuation estimate
Co-one leadership team
Management profileNumber of profiles
Profiles2 records
Co-one funding detail
Funding detailFunding overview
Funding rounds8 records
Investors14 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Co-one M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Co-one
What does Co-one do?
Co-one sells an AI reliability and governance platform (AI LAB) that evaluates, simulates, monitors, and secures LLM-based and AI agent systems across their full lifecycle. The platform combines proprietary Reliability Guard Models, Dynamic Grounding Verification, LLM-as-a-Judge evaluation, and a sub-10ms PromptGuard firewall to convert non-deterministic AI outputs into auditable enterprise assets for banking, e-commerce, and AI development customers. The company also offers crowdsourced data labeling services through a network of 9,000+ freelance labelers, and vertical-specific platforms (Agentic Suite for banking, Data OS for e-commerce).
Is Co-one a public or private company?
Co-one is a private company. It is classified as venture growth investor backed and is currently operating.
When was Co-one founded?
Co-one was founded in 2021. It employs 11 to 50 people.
Where is Co-one based?
Co-one is headquartered in Tallinn, Estonia, in the Europe region.
How does Co-one make money?
Four revenue lines are on record. SaaS Subscription - Developer Tier is the primary driver. The others are saaS Subscription - Team Tier, enterprise Custom Contracts and usage-based Overage Charges.
Who are Co-one's main competitors?
Direct peers on record are Arize AI, WhyLabs, LangSmith, Fiddler AI, Galileo, Braintrust and Patronus AI. Emerging players are Helicone and Langfuse. Datadog is listed as a broad incumbent.
Does Co-one have an API?
Yes. Co-one provides a REST API for real-time AI evaluation and monitoring. The API supports endpoint POST /v1/evaluate/grounding for single response evaluation against given context, and POST /v1/evaluate/batch for large-scale regression testing via CSV or JSONL file uploads. Authentication uses Bearer token (API key). Rate limits: free tier limited to 100 requests per minute; paid plans have higher limits. The API returns JSON objects containing evaluation scores including reliability scores (0-1 range), grounding scores, safety flags, latency metrics, and violation detection results. Developer documentation is at co-one.co/docs/api.
What industry is Co-one in?
Co-one's product category is AI Reliability & Governance Platform. Its primary akta.pro industry code is HDAEANAF, AI Observability, Monitoring & Evaluation Platforms (Drift, Quality, Safety), with a secondary code of HDAEANAG, Responsible AI, Security & Privacy Platforms (Safety, Guardrails, PII). Its NAICS code is 5132 and its SIC code is 7372.