Corteus co-builds one AI-native company at a time with a full-time operator who brings customer access, committed capital, and a problem worth owning.https://corteus.com/https://corteus.com/blog/evidence-native-regulated-operations-the-company-we-would-co-build/https://corteus.com/blog/evidence-native-regulated-operations-the-company-we-would-co-build/Corteus's working venture thesis. In regulated operations the costly step is proving an answer, not producing it. What a partner brings, and when we stop.Fri, 04 Sep 2026 00:00:00 GMTventure thesisregulated operationsAI governanceinsuranceco-buildCorteus Teamhttps://corteus.com/blog/what-a-real-eval-suite-looks-like/https://corteus.com/blog/what-a-real-eval-suite-looks-like/A plain-English guide for investors and non-technical founders on what AI evals are, what a real suite contains, and how to tell evidence from theater.Fri, 10 Jul 2026 00:00:00 GMTAI evaluationAI due diligenceinvestingCorteus Teamhttps://corteus.com/blog/ai-startup-red-flags-the-technical-ones-investors-miss/https://corteus.com/blog/ai-startup-red-flags-the-technical-ones-investors-miss/Eight technical AI startup red flags non-technical investors can catch by ear in a pitch, with the follow-up question that confirms each one.Thu, 09 Jul 2026 00:00:00 GMTinvestingAI due diligenceAI startupsCorteus Teamhttps://corteus.com/blog/ai-due-diligence-vs-software-due-diligence/https://corteus.com/blog/ai-due-diligence-vs-software-due-diligence/Why AI deals break standard software diligence: 4 gaps code scans miss, from eval quality to wrapper depth, before investors write a check this month.Mon, 06 Jul 2026 00:00:00 GMTAI due diligencesoftware diligenceinvestingCorteus Teamhttps://corteus.com/blog/how-to-evaluate-an-ai-startup-without-a-technical-background/https://corteus.com/blog/how-to-evaluate-an-ai-startup-without-a-technical-background/A no-code investor guide with 6 questions, good and bad answer patterns, and when to bring one engineer in before a term sheet or check for AI seed deals.Mon, 06 Jul 2026 00:00:00 GMTAI due diligenceinvestingAI startupsCorteus Teamhttps://corteus.com/blog/the-wrapper-test-will-this-ai-product-survive-the-next-model-release/https://corteus.com/blog/the-wrapper-test-will-this-ai-product-survive-the-next-model-release/An 8-question Wrapper Test for investors: how to tell whether an AI product has data, workflow depth, evals, and customers a model release cannot copy.Mon, 06 Jul 2026 00:00:00 GMTAI wrappersAI investingAI due diligenceCorteus Teamhttps://corteus.com/blog/ai-agent-platforms-compared-before-you-commit/https://corteus.com/blog/ai-agent-platforms-compared-before-you-commit/Compare AWS Bedrock AgentCore, OpenAI, Claude with MCP, LangGraph, and custom builds on lock-in, cost, and control before OpenAI's August 26, 2026 shutdown.Sat, 04 Jul 2026 00:00:00 GMTAI agentsplatformscomparisonCorteus Teamhttps://corteus.com/blog/build-vs-buy-for-ai-products/https://corteus.com/blog/build-vs-buy-for-ai-products/A build vs buy framework for AI products: why 76% of enterprise AI is now bought, when building wins anyway, and the switching-cost math founders skip.Sat, 04 Jul 2026 00:00:00 GMTbuild vs buyAI strategyfoundersCorteus Teamhttps://corteus.com/blog/fractional-cto-vs-dev-agency-vs-technical-cofounder/https://corteus.com/blog/fractional-cto-vs-dev-agency-vs-technical-cofounder/Fractional CTOs bill $150 to $500 an hour, US agencies charge $100 to $149, and a co-founder search can take a year. What each option really costs you.Sat, 04 Jul 2026 00:00:00 GMTfoundershiringAI startupsCorteus Teamhttps://corteus.com/blog/how-much-does-it-cost-to-build-an-ai-product-in-2026/https://corteus.com/blog/how-much-does-it-cost-to-build-an-ai-product-in-2026/A verified 2026 cost breakdown for building an AI product: salaries, per-token API prices, data work, and why regulated systems cost 3 to 10 times more.Sat, 04 Jul 2026 00:00:00 GMTAI costsfoundersAI productsCorteus Teamhttps://corteus.com/blog/how-to-evaluate-an-ai-startup-s-technology-before-investing/https://corteus.com/blog/how-to-evaluate-an-ai-startup-s-technology-before-investing/Five questions that reveal whether an AI startup's technology is real before you invest, and what honest answers sound like when $445 million is at stake.Sat, 04 Jul 2026 00:00:00 GMTinvestingAI due diligenceAI startupsCorteus Teamhttps://corteus.com/blog/questions-to-ask-an-ai-vendor-about-security/https://corteus.com/blog/questions-to-ask-an-ai-vendor-about-security/Seven security questions to ask any AI vendor before you sign, with the good answer and the dodge for each, from training data to SOC 2 and incident history.Sat, 04 Jul 2026 00:00:00 GMTAI securityprocuremententerprise AICorteus Teamhttps://corteus.com/blog/technical-due-diligence-checklist-for-ai-startups/https://corteus.com/blog/technical-due-diligence-checklist-for-ai-startups/The 7 checks that matter before wiring money into an AI startup: what to ask about evals, data rights, unit economics, and what a bad answer sounds like.Sat, 04 Jul 2026 00:00:00 GMTAI due diligenceinvestingAI startupsCorteus Teamhttps://corteus.com/blog/when-not-to-use-ai-agents/https://corteus.com/blog/when-not-to-use-ai-agents/Gartner expects over 40% of agentic AI projects to be canceled by 2027. A practical four-question test for spotting tasks where an agent is the wrong tool.Sat, 04 Jul 2026 00:00:00 GMTAI agentsriskdecision makingCorteus Teamhttps://corteus.com/blog/how-to-safely-run-ai-agents-in-your-business/https://corteus.com/blog/how-to-safely-run-ai-agents-in-your-business/AI agents can boost productivity by 37%, but they need strict governance to protect sensitive data and systems. Learn how to control them.Mon, 29 Jun 2026 00:00:00 GMTAI agentsenterprise AIgovernancesecurityNVIDIACorteus Teamhttps://corteus.com/blog/stripe-s-lesson-why-focused-ai-agents-excel-in-compliance/https://corteus.com/blog/stripe-s-lesson-why-focused-ai-agents-excel-in-compliance/Stripe handles $1.4 trillion in payments annually. Learn how they use AI agents to cut compliance review time by 26% while keeping humans in control.Mon, 29 Jun 2026 00:00:00 GMTAI agentsFinancial ComplianceStripe AIAmazon BedrockBusiness AutomationCorteus Teamhttps://corteus.com/blog/why-your-ai-assistant-might-be-sharing-too-much-private-data/https://corteus.com/blog/why-your-ai-assistant-might-be-sharing-too-much-private-data/New research reveals that 9 widely used AI agents often overshare private business data, even when completing tasks successfully, posing a significant risk.Mon, 29 Jun 2026 00:00:00 GMTAI agentsdata privacyLLMsbusiness workflowsCorteus Teamhttps://corteus.com/blog/how-insurance-brokerages-are-using-ai-to-get-work-done-faster/https://corteus.com/blog/how-insurance-brokerages-are-using-ai-to-get-work-done-faster/Insurance brokerages are saving about 10 hours per user per week with AI that understands their specific business needs, not just general chat.Fri, 26 Jun 2026 00:00:00 GMTAIinsuranceautomationenterprise softwareCorteus Teamhttps://corteus.com/blog/how-companies-actually-get-value-from-ai/https://corteus.com/blog/how-companies-actually-get-value-from-ai/A plain guide to what a company has to figure out before AI pays off, built around three questions every business is asking about it right now.Tue, 16 Jun 2026 00:00:00 GMTenterprise AIAI transformationAI costCorteus Teamhttps://corteus.com/blog/ceo-bench-can-ai-agents-run-a-company-for-500-days/https://corteus.com/blog/ceo-bench-can-ai-agents-run-a-company-for-500-days/A Princeton test puts AI agents in charge of a fake software company for 500 days. Most went broke. Two finished rich. Here is what that tells you.Mon, 15 Jun 2026 00:00:00 GMTAI agentsbenchmarkslong-horizon planningCorteus Teamhttps://corteus.com/blog/why-ai-agents-fail-in-production-and-how-failure-detection-fixes-it/https://corteus.com/blog/why-ai-agents-fail-in-production-and-how-failure-detection-fixes-it/When an AI agent gets something wrong, the mistake usually hides several steps back. A new AWS tool reads the agent's own logs and tells you which step broke and why.Mon, 15 Jun 2026 00:00:00 GMTAI agentsobservabilityroot cause analysisCorteus Teamhttps://corteus.com/blog/how-rocket-close-cut-title-work-with-an-ai-that-takes-actions/https://corteus.com/blog/how-rocket-close-cut-title-work-with-an-ai-that-takes-actions/A real company put an AI agent on its slowest, most paperwork-heavy task and cut contact center calls and emails by 30 percent. Here is what it did, in plain terms.Fri, 12 Jun 2026 00:00:00 GMTAI agentsagentic AIcase studyCorteus Teamhttps://corteus.com/blog/how-to-tell-if-an-ai-agent-is-actually-working/https://corteus.com/blog/how-to-tell-if-an-ai-agent-is-actually-working/A right answer can hide a broken AI agent. A new AWS toolkit checks the steps, not just the final reply, and one test scored faithfulness at 32 percent.Thu, 11 Jun 2026 00:00:00 GMTAI agentsAI evaluationtrustCorteus Team