# Brex: AI strategy Source: https://www.bankingnewsai.com/fintech/brex/ai-strategy Last updated: Oct 22, 2026 *Part of the [Brex AI strategy profile](https://www.bankingnewsai.com/fintech/brex).* ## What is Brex's AI strategy? Brex's stated AI strategy is to be "AI-native": its chief operating officer wrote in August 2025 that AI would be a core component of every Brex product, operational decision and workflow, in three pillars (AI in every product, AI built or bought for internal operations, and AI tools for every employee), and that operational AI is how Brex plans to reach a 5% cost-to-serve by FY28. CTO James Reggio told VentureBeat in January 2026 that the goal is "to use AI to make Brex effectively disappear", through an Agent Mesh of narrow, role-specific agents that builds on the Brex Assistant launched in September 2023. Products followed: a multi-agent onboarding rebuild and an AI-native Accounting API (January 2026), apps in ChatGPT (March 4, 2026) and Claude (March 23, 2026), and expense, review, audit and accounting agents; Brex says nearly 70% of expenses on its platform are handled entirely by automation. CEO Pedro Franceschi told VB Transform 2026 that Brex designs agents as "virtual employees" and built its open-source CrabTrap proxy so its security team would let them run. Brex has been a Capital One subsidiary since April 7, 2026; on Capital One's October 20, 2026 earnings call Richard Fairbank praised Brex's self-built tech stack and said integration is "very targeted and measured". Brex discloses no AI budget or AI headcount, and its automation figures are its own. ([Brex](https://www.brex.com/journal/brex-ai-native-operations), [VentureBeat](https://venturebeat.com/orchestration/brex-bets-on-less-orchestration-as-it-builds-an-agent-mesh-for-autonomous), [Brex via PR Newswire](https://www.prnewswire.com/news-releases/brex-gives-every-employee-an-expense-assistant-with-ai-301931043.html), [Brex](https://www.brex.com/journal/rebuilding-onboarding-ai-native), [Brex](https://www.brex.com/journal/press/brex-launches-ai-native-accounting-api), [Brex](https://www.brex.com/journal/brex-in-chatgpt), [Brex](https://www.brex.com/journal/brex-connector-for-claude), [American Banker](https://www.americanbanker.com/payments/news/capital-one-closes-brex-acquisition), [Brex](https://www.brex.com/journal/press/brex-helps-power-open-ai-global-spend-and-financial-operations), [VentureBeat](https://venturebeat.com/orchestration/brex-assumes-its-ai-agents-could-do-anything-so-it-watches-the-network-not-the-code), [Capital One](https://www.capitalone.com/about/newsroom/capital-one-completes-acquisition-of-brex/), [The Motley Fool](https://www.fool.com/earnings/call-transcripts/2026/10/20/capital-one-cof-q3-2026-earnings-call-transcript/)) ## What have Brex's leaders said about AI, and when? Statements and moves in date order, from Brex's own posts, interviews on trade and business press, and Capital One's releases and earnings call. Brex itself files no annual report. | Statement or move | Who | When | Source | Sources | | --- | --- | --- | --- | --- | | About 1,000 AI tools in use inside Brex; five to 10 larger deployments cancelled or not renewed; engineers get a $50 monthly budget for tools from an approved list. "Embrace the messiness" | James Reggio, CTO (remarks at HumanX in March 2025) | July 6, 2025 | TechCrunch | [TechCrunch](https://techcrunch.com/2025/07/06/how-brex-is-keeping-up-with-ai-by-embracing-the-messiness/) | | Brex will be AI-native: AI handles the first attempt at most work, humans handle exceptions, and compliance and operations experts become workflow designers; target of 5% cost-to-serve by FY28 | Camilla Matias Morais, COO | August 11, 2025 | Brex journal | [Brex](https://www.brex.com/journal/brex-ai-native-operations) | | "Our goal is to use AI to make Brex effectively disappear. We're aiming for total automation." Enterprise customers that leaned into AI reach 99% automation, against 60 to 70% of customers who automated expenses before Brex Assistant | James Reggio, CTO | January 5, 2026 | VentureBeat | [VentureBeat](https://venturebeat.com/orchestration/brex-bets-on-less-orchestration-as-it-builds-an-agent-mesh-for-autonomous) | | "We started Brex in 2017 as a category creator – bringing together financial services and software into one AI-native platform" | Pedro Franceschi, founder and CEO | January 22, 2026 | Capital One release | [Capital One](https://www.capitalone.com/about/newsroom/capital-one-to-acquire-brex/) | | Brex will not be fully integrated: Franceschi keeps leading Brex and reports to Capital One's Frank LaPrade | Pedro Franceschi | January 22, 2026 | Brex journal | [Brex](https://www.brex.com/journal/brex-and-capital-one-join-forces) | | "Brex's expertise and AI-native technology combined with Capital One's scale, sophisticated underwriting and iconic brand creates a transformational opportunity in the business payments space" | Richard D. Fairbank, Capital One CEO | April 7, 2026 | Capital One release | [Capital One](https://www.capitalone.com/about/newsroom/capital-one-completes-acquisition-of-brex/) | | "'Agents' is a terrible name"; Brex builds virtual employees on OpenClaw and polices their network traffic with CrabTrap. "There was a 70% chance we would throw it away in six months... But what we learned by being six months ahead was worth it" | Pedro Franceschi (VB Transform 2026) | August 10, 2026 | VentureBeat | [VentureBeat](https://venturebeat.com/orchestration/brex-assumes-its-ai-agents-could-do-anything-so-it-watches-the-network-not-the-code) | | Brex has "a full modern tech stack that they built themselves"; Capital One is "very targeted and measured" in integrating technology, will connect Brex's spend management to the Capital One Travel portal and later extend Brex tools to its small-business card customers | Richard Fairbank | October 20, 2026 | Capital One Q3 2026 call | [The Motley Fool](https://www.fool.com/earnings/call-transcripts/2026/10/20/capital-one-cof-q3-2026-earnings-call-transcript/) | ## Which AI products and agents has Brex shipped, and what are they built on? Customer-facing and internal AI systems by launch or publication date. Results are Brex's own measurements. | Product | What it does | Built on | Since | Sources | | --- | --- | --- | --- | --- | | Brex Assistant | Fills in expense documentation, answers policy questions and executes commands | Multiple models including Anthropic's Claude, custom Brex models and OpenAI's API, per VentureBeat | September 19, 2023 | [Brex via PR Newswire](https://www.prnewswire.com/news-releases/brex-gives-every-employee-an-expense-assistant-with-ai-301931043.html), [VentureBeat](https://venturebeat.com/orchestration/brex-bets-on-less-orchestration-as-it-builds-an-agent-mesh-for-autonomous) | | AI-native operations | KYC and AML checks, disputes and fraud work increasingly automated; Brex says customers get responses 90% faster, saving them 15,000 hours a year | Service agent powered by Brex customer Sierra AI; Glean, Cursor and Claude bought for employees | August 11, 2025 (post) | [Brex](https://www.brex.com/journal/brex-ai-native-operations) | | Agent Mesh | Narrow agents each handle one task (policy check, budget validation, receipt matching, payment initiation) and talk in plain English over a shared message stream; an audit agent reviews their decisions | Hybrid model mix; Config, MessageStream and Clock components; LLM-as-judge evaluations | January 5, 2026 (reported) | [VentureBeat](https://venturebeat.com/orchestration/brex-bets-on-less-orchestration-as-it-builds-an-agent-mesh-for-autonomous) | | Multi-agent onboarding | Verification, identity, fraud, fuzzy-match and underwriting agents; card-application auto-approval from 0% to 40% in weeks | Risk logic translated into agentic workflows | January 20, 2026 | [Brex](https://www.brex.com/journal/rebuilding-onboarding-ai-native) | | AI-native Accounting API | Two-way ERP integration tied to Brex's Accounting AI workflows | First with AI-native ERPs Rillet and Campfire | January 21, 2026 | [Brex](https://www.brex.com/journal/press/brex-launches-ai-native-accounting-api) | | Audit agent testing | Brex tests the audit agent by simulating companies with planted fraud | Simulation environment | March 12, 2026 | [Brex](https://www.brex.com/journal/articles/simulation-testing-ai-audit-agent) | | Brex in ChatGPT and Claude | Read-only app for ChatGPT Enterprise users; Claude connector that can also update memos and attach receipts | OpenAI and Anthropic app platforms, under existing Brex permissions | March 4 and March 23, 2026 | [Brex](https://www.brex.com/journal/brex-in-chatgpt), [Brex](https://www.brex.com/journal/brex-connector-for-claude) | | CrabTrap | Open-source proxy that checks every outbound request from Brex's production agents; only about 2% of complex requests face LLM latency, per Franceschi | LLM-as-a-judge plus static rules | April 21, 2026 | [Brex](https://www.brex.com/journal/building-crabtrap-open-source), [VentureBeat](https://venturebeat.com/orchestration/brex-assumes-its-ai-agents-could-do-anything-so-it-watches-the-network-not-the-code) | | AI oncall engineer (internal) | Investigates tickets from Slack; matched the correct root cause and mitigation on 91% of 2025 accounting tickets; 30 to 45 minutes of context-gathering took about three | Claude SDK session with Datadog, Linear and Glean | April 27, 2026 | [Brex](https://www.brex.com/journal/how-we-built-an-ai-oncall-engineer) | | Coding-agent migrations (internal) | One engineer migrated 180 microservices in a month; human review before any merge | Self-hosted agents in Cursor | July 22, 2026 | [Brex](https://www.brex.com/journal/agent-automations-for-big-migrations) | | Brex MCP server | About 90% of questions take a fast query path; answers in 2 to 3 seconds for companies with 100,000+ expenses, at roughly 800 to 900 tokens | Change-data-capture pipeline into pre-joined query tables | August 3, 2026 | [Brex](https://www.brex.com/journal/not-all-mcps-are-created-equal) | ## Where does AI sit at Brex under Capital One, and what is not disclosed? AI is run from the top. Franceschi is CEO and, since the sale, reports to Capital One's Frank LaPrade; Reggio is CTO; COO Camilla Matias Morais, who oversees business and payment operations, risk, compliance, credit and customer support, owns the AI-native operations program. Brex describes three levels of work: AI-automated execution, AI-augmented teams that handle exceptions and retrain the system, and senior experts who turn policy into machine-enforceable rules. ([Brex](https://www.brex.com/journal/brex-and-capital-one-join-forces), [VentureBeat](https://venturebeat.com/orchestration/brex-bets-on-less-orchestration-as-it-builds-an-agent-mesh-for-autonomous), [Brex](https://www.brex.com/journal/brex-ai-native-operations)) Capital One reported $96 million of pre-tax Brex integration expenses in Q2 2026 and excluded $0.06 per share of Brex integration costs from adjusted Q3 2026 earnings. Fairbank said the first phase focuses on the risk management requirements of being part of a national bank, and that using Capital One's marketing machine for Brex requires data pipelines and "calibrating our models for Brex's customer base". ([Capital One Financial Corporation via SEC EDGAR (Form 8-K, Exhibit 99.1)](https://www.sec.gov/Archives/edgar/data/927628/000092762826000083/ex991q22026earningsrelease.htm), [The Motley Fool](https://www.fool.com/earnings/call-transcripts/2026/10/20/capital-one-cof-q3-2026-earnings-call-transcript/)) What is not disclosed: Brex's AI budget or AI headcount, which models power each production agent beyond VentureBeat's description of the Brex Assistant, and independent validation of its automation figures. VentureBeat noted that Brex did not provide third-party benchmarks or customer-specific data to back its efficiency claims. Capital One reports Brex inside its Credit Card segment and does not break out Brex's AI spending. ([VentureBeat](https://venturebeat.com/orchestration/brex-bets-on-less-orchestration-as-it-builds-an-agent-mesh-for-autonomous), [Capital One Financial Corporation via SEC EDGAR (Form 8-K, Exhibit 99.1)](https://www.sec.gov/Archives/edgar/data/927628/000092762826000083/ex991q22026earningsrelease.htm)) ## What does the Brex profile record on this topic? | Date | Move | Detail | Sources | | --- | --- | --- | --- | | Jul 22, 2026 | Coding agents migrate 180 microservices | Brex said a pipeline of self-hosted AI agents in Cursor let a single engineer migrate 180 microservices in a month, a 32x per-capita acceleration, with human review required before any merge. | [Brex](https://www.brex.com/journal/agent-automations-for-big-migrations) | | Apr 21, 2026 | CrabTrap open-sourced | An HTTP proxy that uses an LLM as a judge to check every request Brex's production AI agents make against an allowed-traffic policy; Brex said the LLM judge fired on fewer than 3% of requests in one production use case. | [Brex](https://www.brex.com/journal/building-crabtrap-open-source) | | Mar 23, 2026 | Brex connector for Claude | Conversational access to expenses, limits, cards and policies inside Claude, including updating memos, attaching receipts and adding attendees on one's own expenses. | [Brex](https://www.brex.com/journal/brex-connector-for-claude) | | Mar 4, 2026 | Brex app in ChatGPT | A read-only app for ChatGPT Enterprise users to query limits, expenses, reimbursements and policies under existing Brex permissions; Brex called it one of the first financial apps in ChatGPT's app marketplace. | [Brex](https://www.brex.com/journal/brex-in-chatgpt) | | Jan 21, 2026 | AI-native Accounting API | A two-way ERP integration tied to Brex's Accounting AI workflows, launching first with AI-native ERPs Rillet and Campfire. | [Brex](https://www.brex.com/journal/press/brex-launches-ai-native-accounting-api) | | Jan 20, 2026 | Onboarding rebuilt as a multi-agent system | Brex said most eligible businesses now onboard in minutes; risk analysts and engineers working together to turn risk logic into agentic workflows moved card-application auto-approval from 0% to 40% in weeks, a fuzzy-match agent cut manual identity reviews by 70%, and dedicated agents cut business-address information requests by 85%. | [Brex](https://www.brex.com/journal/rebuilding-onboarding-ai-native) | | Sep 19, 2023 | Brex Assistant launches as the flagship of Brex AI | An assistant that uses natural language and autonomous agents with calendar and past-expense data to fill in expense documentation, answer policy questions and execute commands; Brex said it had used AI since inception in underwriting, fraud, receipt matching and merchant categorization. | [Brex via PR Newswire](https://www.prnewswire.com/news-releases/brex-gives-every-employee-an-expense-assistant-with-ai-301931043.html) | ## Common questions ### What is Brex's AI strategy? Brex says it is rebuilding as an AI-native company: AI in every product, AI built or bought for internal operations, and AI tools for every employee. Its CTO said in January 2026 that the aim is total automation through an Agent Mesh of narrow agents, and its COO set a 5% cost-to-serve target for FY28. ### Who leads AI at Brex? Founder and CEO Pedro Franceschi, who presented Brex's agent approach at VB Transform 2026; CTO James Reggio, who designed the Agent Mesh; and COO Camilla Matias Morais, who runs the AI-native operations program. Since April 2026 Franceschi reports to Capital One executive Frank LaPrade. ### Which AI models does Brex use? VentureBeat reported in January 2026 that the Brex Assistant uses multiple models, including Anthropic's Claude, custom Brex models and OpenAI's API. Brex's AI oncall engineer runs inside a Claude SDK session, its coding agents run in Cursor, and its employees use Glean, Cursor and Claude, per Brex. ### How has Capital One's ownership changed Brex's AI plans? Capital One closed the purchase on April 7, 2026 and lets Brex run largely independently. On October 20, 2026 Richard Fairbank said integration is targeted and measured, starting with bank risk management requirements, then linking Brex to the Capital One Travel portal and later to Capital One's small-business card customers. ### How does Brex keep its AI agents safe? Brex routes every outbound request from its production agents through CrabTrap, an open-source proxy that applies static rules and an LLM judge and asks a human manager on Slack when an action falls outside policy. 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