diff --git a/infra/console.ts b/infra/console.ts
index 79d5e077cfac..8ddbc43f14a6 100644
--- a/infra/console.ts
+++ b/infra/console.ts
@@ -22,6 +22,8 @@ new sst.cloudflare.Bucket("ZenDataNew")
 const AWS_SES_ACCESS_KEY_ID = new sst.Secret("AWS_SES_ACCESS_KEY_ID")
 const AWS_SES_SECRET_ACCESS_KEY = new sst.Secret("AWS_SES_SECRET_ACCESS_KEY")
 const ENTERPRISE_SALES_INBOX_EMAIL = new sst.Secret("ENTERPRISE_SALES_INBOX_EMAIL")
+// OpenCode API key for Jev spam scoring of enterprise form submissions.
+const ENTERPRISE_SPAM_API_KEY = new sst.Secret("ENTERPRISE_SPAM_API_KEY")
 
 const SALESFORCE_CLIENT_ID = new sst.Secret("SALESFORCE_CLIENT_ID")
 const SALESFORCE_CLIENT_SECRET = new sst.Secret("SALESFORCE_CLIENT_SECRET")
@@ -40,6 +42,7 @@ new sst.cloudflare.x.SolidStart("Console", {
     AWS_SES_ACCESS_KEY_ID,
     AWS_SES_SECRET_ACCESS_KEY,
     ENTERPRISE_SALES_INBOX_EMAIL,
+    ENTERPRISE_SPAM_API_KEY,
     SALESFORCE_CLIENT_ID,
     SALESFORCE_CLIENT_SECRET,
     SALESFORCE_INSTANCE_URL,
diff --git a/packages/console/app/src/lib/aws.ts b/packages/console/app/src/lib/aws.ts
index 5aea909e458c..3880e3c039a2 100644
--- a/packages/console/app/src/lib/aws.ts
+++ b/packages/console/app/src/lib/aws.ts
@@ -3,7 +3,7 @@ import { AwsClient } from "aws4fetch"
 
 let client: AwsClient | undefined
 
-export async function sendEmail(input: { to: string; subject: string; body: string; replyTo?: string }) {
+export async function sendEmail(input: { to: string; subject: string; body: string; text?: string; replyTo?: string }) {
   client ??= new AwsClient({
     accessKeyId: Resource.AWS_SES_ACCESS_KEY_ID.value,
     secretAccessKey: Resource.AWS_SES_SECRET_ACCESS_KEY.value,
@@ -30,7 +30,7 @@ export async function sendEmail(input: { to: string; subject: string; body: stri
           Body: {
             Text: {
               Charset: "UTF-8",
-              Data: input.body,
+              Data: input.text ?? input.body,
             },
             Html: {
               Charset: "UTF-8",
diff --git a/packages/console/app/src/lib/enterprise-spam.test.ts b/packages/console/app/src/lib/enterprise-spam.test.ts
new file mode 100644
index 000000000000..75785b0da9bd
--- /dev/null
+++ b/packages/console/app/src/lib/enterprise-spam.test.ts
@@ -0,0 +1,155 @@
+import { afterEach, expect, mock, spyOn, test } from "bun:test"
+import { enterpriseSpamProbability, ENTERPRISE_SPAM_MODEL } from "./enterprise-spam"
+import { enterpriseEmailContent, handleEnterpriseRequest } from "./enterprise"
+
+const submission = {
+  name: "Fake Visitor",
+  role: "Engineering lead",
+  company: "Example Test Company",
+  email: "fake-visitor@example.test",
+  message: "We need SSO for 200 developers.",
+}
+
+afterEach(() => mock.restore())
+
+const score = (probability: unknown) =>
+  Response.json({ model: ENTERPRISE_SPAM_MODEL, answers: { spam: { type: "noul", noul: probability } } })
+
+test("scores a submission through the System One gateway", async () => {
+  const requests: Request[] = []
+  // The form handler passes the whole submission, phone included; the classifier must not receive it.
+  const withPhone = { ...submission, phone: "+1 555 0100" }
+  const probability = await enterpriseSpamProbability(withPhone, {
+    inferenceUrl: "https://opencode.test/inference",
+    apiKey: "test-key",
+    fetch: async (request) => {
+      requests.push(request)
+      return score(0.97)
+    },
+  })
+
+  expect(probability).toBe(0.97)
+  expect(requests).toHaveLength(1)
+  expect(requests[0].url).toBe("https://opencode.test/inference/systemone/v1/systemone")
+  expect(requests[0].headers.get("authorization")).toBe("Bearer test-key")
+  const body = await requests[0].json()
+  expect(body.model).toBe(ENTERPRISE_SPAM_MODEL)
+  expect(body.state.submission).toMatchObject({ email: submission.email, message: submission.message })
+  expect(body.state.submission).not.toHaveProperty("phone")
+  expect(body.questions.spam.type).toBe("noul")
+})
+
+test("returns no score when the gateway fails, times out, or answers without a probability", async () => {
+  const options = { inferenceUrl: "https://opencode.test/inference", apiKey: "test-key" }
+  const failures = [
+    async () => new Response("nope", { status: 401 }),
+    async () => {
+      throw new Error("network")
+    },
+    async () => score("high"),
+    async () => score(1.5),
+    async () => Response.json({ answers: {} }),
+    (request: Request) =>
+      new Promise<Response>((_, reject) =>
+        request.signal.addEventListener("abort", () => reject(request.signal.reason)),
+      ),
+  ]
+  for (const fetch of failures) {
+    expect(await enterpriseSpamProbability(submission, { ...options, timeoutMs: 20, fetch })).toBeUndefined()
+  }
+})
+
+test("returns no score without logging an error when the gateway is not configured", async () => {
+  const error = spyOn(console, "error").mockImplementation(() => {})
+  expect(await enterpriseSpamProbability(submission, { inferenceUrl: "", apiKey: "test-key" })).toBeUndefined()
+  expect(error).not.toHaveBeenCalled()
+})
+
+const submit = async (fetch: (request: Request) => Promise<Response>) => {
+  const leads: Record<string, unknown>[] = []
+  const response = await handleEnterpriseRequest(
+    new Request("http://localhost/api/enterprise", {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ ...submission, alias: "" }),
+    }),
+    {
+      spam: { inferenceUrl: "https://opencode.test/inference", apiKey: "test-key", fetch },
+      salesforceSubmit: async (payload) => {
+        leads.push(payload)
+        return true
+      },
+      notifications: false,
+      accountLookup: async () => null,
+    },
+  )
+  return { status: response.status, body: await response.json(), leads }
+}
+
+test("confident spam gets the normal success response, never reaches Salesforce, and is logged", async () => {
+  const warn = spyOn(console, "warn").mockImplementation(() => {})
+  const result = await submit(async () => score(0.95))
+  expect(result.status).toBe(200)
+  expect(result.body).toMatchObject({ success: true })
+  expect(result.leads).toHaveLength(0)
+  expect(warn).toHaveBeenCalledWith("Enterprise inquiry dropped as spam", {
+    email: submission.email,
+    probability: 0.95,
+  })
+})
+
+test("uncertain, missing, or failed scores still create the lead", async () => {
+  spyOn(console, "error").mockImplementation(() => {})
+  for (const fetch of [
+    async () => score(0.6),
+    async () => Response.json({ answers: {} }),
+    async () => {
+      throw new Error("classifier down")
+    },
+  ]) {
+    const result = await submit(fetch)
+    expect(result.status).toBe(200)
+    expect(result.leads).toHaveLength(1)
+  }
+})
+
+test("the sales inbox email escapes submitted HTML", () => {
+  const content = enterpriseEmailContent({
+    name: "<b>Name</b>",
+    role: "Role",
+    email: "fake-visitor@example.test",
+    message: `<script>alert("x")</script> & <img src=x onerror=alert(1)>`,
+    alias: "",
+  })
+  expect(content.html).not.toContain("<script>")
+  expect(content.html).not.toContain("<img")
+  expect(content.html).not.toContain("<b>")
+  expect(content.html).toContain(
+    "&lt;script&gt;alert(&quot;x&quot;)&lt;/script&gt; &amp; &lt;img src=x onerror=alert(1)&gt;",
+  )
+  expect(content.html).toContain("&lt;b&gt;Name&lt;/b&gt;<br>")
+})
+
+test("the sales inbox plain-text email is not HTML-escaped", () => {
+  const content = enterpriseEmailContent(
+    { ...submission, name: "Ada <CTO>", message: "Pricing & SSO?", phone: "+1 555 0100", alias: "" },
+    "$10k+",
+  )
+  expect(content.text).not.toContain("<br>")
+  expect(content.text).not.toContain("&lt;")
+  expect(content.text).not.toContain("&amp;")
+  expect(content.text).toBe(
+    [
+      "Pricing & SSO?",
+      "",
+      "Current monthly inference spend: $10k+",
+      "",
+      "--",
+      "Ada <CTO>",
+      submission.role,
+      submission.company,
+      submission.email,
+      "+1 555 0100",
+    ].join("\n"),
+  )
+})
diff --git a/packages/console/app/src/lib/enterprise-spam.ts b/packages/console/app/src/lib/enterprise-spam.ts
new file mode 100644
index 000000000000..4720c038a9fd
--- /dev/null
+++ b/packages/console/app/src/lib/enterprise-spam.ts
@@ -0,0 +1,75 @@
+import { Resource } from "@opencode/console-resource"
+
+export const ENTERPRISE_SPAM_MODEL = "jev-1.13"
+// Drop only submissions Jev is confident about; anything less reaches sales as before.
+export const ENTERPRISE_SPAM_THRESHOLD = 0.9
+const TIMEOUT_MS = 2000
+
+const question = {
+  type: "noul",
+  instructions:
+    "Is this OpenCode enterprise sales form submission spam, abuse, or an attack rather than a genuine inquiry from someone interested in OpenCode?",
+  criteria: {
+    true: "Code, HTML, scripts, SQL, template or prompt-injection payloads, or other attack strings in any field; gibberish or random characters; advertising, SEO, link building, crypto, adult, or gambling content; someone selling their own product or services to OpenCode; or mass-mailed text unrelated to OpenCode.",
+    false:
+      "A real person asking about OpenCode for their company or team, including pricing, seats, security, SSO, deployment, models, procurement, support, or a partnership. Short, informal, misspelled, non-English, or vague messages are still genuine when they appear to come from a person interested in OpenCode.",
+  },
+} as const
+
+// Scores a submission with Jev through the OpenCode System One gateway.
+// Returns undefined when scoring is unavailable so the caller can fail open.
+export async function enterpriseSpamProbability(
+  input: { name: string; role: string; company?: string; email: string; message: string },
+  options: {
+    fetch?: (request: Request) => Promise<Response>
+    inferenceUrl?: string
+    apiKey?: string
+    timeoutMs?: number
+  } = {},
+): Promise<number | undefined> {
+  try {
+    // Preview stages have no inference URL; skip scoring quietly instead of logging every submission.
+    const inferenceUrl = options.inferenceUrl ?? Resource.ConsoleMigration.inferenceUrl
+    if (!inferenceUrl) return undefined
+    const url = new URL(inferenceUrl)
+    url.pathname = `${url.pathname.replace(/\/$/, "")}/systemone/v1/systemone`
+    const send = options.fetch ?? ((request: Request) => (Resource.INFERENCE as { fetch: typeof fetch }).fetch(request))
+    const response = await send(
+      new Request(url, {
+        method: "POST",
+        headers: {
+          Authorization: `Bearer ${options.apiKey ?? Resource.ENTERPRISE_SPAM_API_KEY.value}`,
+          "Content-Type": "application/json",
+        },
+        body: JSON.stringify({
+          model: ENTERPRISE_SPAM_MODEL,
+          state: {
+            submission: {
+              name: input.name,
+              role: input.role,
+              company: input.company ?? "",
+              email: input.email,
+              message: input.message,
+            },
+          },
+          questions: { spam: question },
+        }),
+        signal: AbortSignal.timeout(options.timeoutMs ?? TIMEOUT_MS),
+      }),
+    )
+    if (!response.ok) {
+      console.error("Enterprise spam scoring failed:", response.status)
+      return undefined
+    }
+    const data = (await response.json()) as { answers?: { spam?: { type?: string; noul?: unknown } } }
+    const probability = data.answers?.spam?.noul
+    if (typeof probability !== "number" || !Number.isFinite(probability) || probability < 0 || probability > 1) {
+      console.error("Enterprise spam scoring returned no probability")
+      return undefined
+    }
+    return probability
+  } catch (error) {
+    console.error("Enterprise spam scoring unavailable:", error instanceof Error ? error.name : "unknown")
+    return undefined
+  }
+}
diff --git a/packages/console/app/src/lib/enterprise.ts b/packages/console/app/src/lib/enterprise.ts
index eaf047f69dee..ba26d5f6639d 100644
--- a/packages/console/app/src/lib/enterprise.ts
+++ b/packages/console/app/src/lib/enterprise.ts
@@ -5,6 +5,7 @@ import { localeFromRequest } from "~/lib/language"
 import { createLead } from "~/lib/salesforce"
 import { inferenceSpendOptions } from "~/lib/inference-spend"
 import { lookupConsoleAccount, type ConsoleAccount } from "~/lib/console-account"
+import { ENTERPRISE_SPAM_THRESHOLD, enterpriseSpamProbability } from "~/lib/enterprise-spam"
 
 interface EnterpriseFormData {
   name: string
@@ -29,6 +30,36 @@ function splitFullName(fullName: string) {
   return { firstName: parts[0], lastName: parts.slice(1).join(" ") }
 }
 
+function escapeHtml(value: unknown) {
+  return String(value)
+    .replaceAll("&", "&amp;")
+    .replaceAll("<", "&lt;")
+    .replaceAll(">", "&gt;")
+    .replaceAll('"', "&quot;")
+    .replaceAll("'", "&#39;")
+}
+
+export function enterpriseEmailContent(body: EnterpriseFormData, inferenceSpend?: string) {
+  const field = (value?: unknown) => (value ? `${escapeHtml(value)}<br>` : "")
+  return {
+    html: `
+${escapeHtml(body.message)}<br><br>
+${inferenceSpend ? `Current monthly inference spend: ${escapeHtml(inferenceSpend)}<br><br>` : ""}
+--<br>
+${field(body.name)}
+${field(body.role)}
+${field(body.company)}${field(body.email)}
+${field(body.phone)}`.trim(),
+    text: [
+      body.message,
+      "",
+      ...(inferenceSpend ? [`Current monthly inference spend: ${inferenceSpend}`, ""] : []),
+      "--",
+      ...[body.name, body.role, body.company, body.email, body.phone].filter(Boolean),
+    ].join("\n"),
+  }
+}
+
 function subscribe(email: string, fullName: string) {
   const name = splitFullName(fullName)
   const fields: Record<string, string> = {}
@@ -66,6 +97,7 @@ export async function handleEnterpriseRequest(
     salesforceSubmit?: (payload: Record<string, unknown>) => Promise<boolean>
     notifications?: boolean
     accountLookup?: (email: string) => Promise<ConsoleAccount | null>
+    spam?: Parameters<typeof enterpriseSpamProbability>[1]
   } = {},
 ) {
   const dict = i18n(localeFromRequest(request))
@@ -91,19 +123,21 @@ export async function handleEnterpriseRequest(
       return Response.json({ error: dict["enterprise.form.error.invalidInferenceSpend"] }, { status: 400 })
     }
 
+    // Fail open: a missing score never blocks a lead. Confident spam gets the same
+    // response as the honeypot and never reaches Salesforce, email, or EmailOctopus.
+    const spam = await enterpriseSpamProbability(body, options.spam)
+    if (spam !== undefined) console.info("Enterprise inquiry spam score", { probability: spam })
+    if (spam !== undefined && spam >= ENTERPRISE_SPAM_THRESHOLD) {
+      console.warn("Enterprise inquiry dropped as spam", { email: body.email, probability: spam })
+      return Response.json({ success: true, message: dict["enterprise.form.success.submitted"] }, { status: 200 })
+    }
+
     const account = await (options.accountLookup ?? lookupConsoleAccount)(body.email).catch((err) => {
       console.error("Failed to look up Console account:", err)
       return undefined
     })
 
-    const emailContent = `
-${body.message}<br><br>
-${inferenceSpend ? `Current monthly inference spend: ${inferenceSpend.salesforceValue}<br><br>` : ""}
---<br>
-${body.name}<br>
-${body.role}<br>
-${body.company ? `${body.company}<br>` : ""}${body.email}<br>
-${body.phone ? `${body.phone}<br>` : ""}`.trim()
+    const emailContent = enterpriseEmailContent(body, inferenceSpend?.salesforceValue)
 
     const [lead, mail, octopus] = await Promise.all([
       createLead(
@@ -127,7 +161,8 @@ ${body.phone ? `${body.phone}<br>` : ""}`.trim()
         : sendEmail({
             to: Resource.ENTERPRISE_SALES_INBOX_EMAIL.value,
             subject: `Enterprise Inquiry from ${body.name}`,
-            body: emailContent,
+            body: emailContent.html,
+            text: emailContent.text,
             replyTo: body.email,
           }).then(
             () => true,