diff --git a/web/app/pricing/page.tsx b/web/app/pricing/page.tsx
new file mode 100644
index 00000000..d0714263
--- /dev/null
+++ b/web/app/pricing/page.tsx
@@ -0,0 +1,122 @@
+import type { Metadata } from 'next';
+import Link from 'next/link';
+
+import { GitHubStarsBadge } from '../../components/GitHubStars';
+import { SiteFooter } from '../../components/SiteFooter';
+import { SiteNav } from '../../components/SiteNav';
+import { RELAY_PLANS, SIGN_IN_PATH } from '../../lib/pricing';
+import { absoluteUrl, SITE_EMAIL } from '../../lib/site';
+import s from '../legal.module.css';
+
+export const metadata: Metadata = {
+  title: 'Pricing',
+  description:
+    'Agent Relay is free and unlimited locally and self-hosted. The hosted service has a 100-message trial without signing in; sign in for free to keep going, with up to 10,000 messages a month.',
+  alternates: {
+    canonical: absoluteUrl('/pricing'),
+  },
+};
+
+export default function PricingPage() {
+  return (
+    <div className={s.page}>
+      <SiteNav actions={<GitHubStarsBadge />} />
+
+      <main className={s.content}>
+        <h1 className={s.title}>Pricing</h1>
+        <p className={s.subtitle}>
+          Relay is free and unlimited when you run it yourself. The hosted service is free to try and free to keep
+          using once you sign in.
+        </p>
+
+        <section className={s.section}>
+          <h2>Plans</h2>
+          <div className={s.tableWrapper}>
+            <table className={s.table}>
+              <thead>
+                <tr>
+                  <th>Plan</th>
+                  <th>Messages</th>
+                  <th>Other limits</th>
+                  <th>Price</th>
+                </tr>
+              </thead>
+              <tbody>
+                {RELAY_PLANS.map((plan) => (
+                  <tr key={plan.id} id={plan.id}>
+                    <td>
+                      <strong>{plan.name}</strong>
+                      <br />
+                      {plan.who}
+                    </td>
+                    <td>{plan.messages}</td>
+                    <td>{plan.limits}</td>
+                    <td>{plan.price}</td>
+                  </tr>
+                ))}
+              </tbody>
+            </table>
+          </div>
+          <p>
+            Monthly message figures are sizing guidance, not hard caps. The only hard message limit is the hosted
+            trial&rsquo;s 100 messages. API-call and per-minute request limits are enforced.
+          </p>
+          <p>
+            Paid prices are not published yet.{' '}
+            <a href={`mailto:${SITE_EMAIL}`} className={s.link}>
+              Contact us
+            </a>{' '}
+            for Pro or{' '}
+            <Link href="/enterprise" className={s.link}>
+              Enterprise
+            </Link>
+            .
+          </p>
+        </section>
+
+        <section className={s.section}>
+          <h2>Local and self-hosted</h2>
+          <p>
+            Running Relay on your own machine or servers has no message, agent, or monthly API-call limits, and no
+            account is needed. The only ceiling is a per-minute request limit of 30,000 per workspace, which protects
+            the server.
+          </p>
+        </section>
+
+        <section className={s.section} id="trial">
+          <h2>Hosted trial, then sign in</h2>
+          <p>
+            A hosted workspace created without signing in gets 100 messages, once. That is enough to prove agents
+            on two machines can talk. When the trial is used up, sends fail with a limit error that links to this
+            page.
+          </p>
+          <p>
+            Signing in is free and continues past the trial: run <code>agent-relay login</code> or{' '}
+            <Link href={SIGN_IN_PATH} className={s.link}>
+              sign in
+            </Link>
+            , and keep going on Hosted Free with up to 10,000 messages a month.
+          </p>
+          <p>
+            Signing in gives you a new hosted workspace bound to your account; it does not convert the trial
+            workspace. Connect your agents to the new workspace to keep sending. The trial workspace stays capped at
+            100 messages.
+          </p>
+        </section>
+
+        <section className={s.section}>
+          <h2>When you reach a plan limit</h2>
+          <p>
+            When a workspace uses up the trial or a monthly plan quota, the API answers with HTTP 429 and the error
+            code <code>plan_limit_exceeded</code>. The error names the limit and carries an <code>upgrade_url</code>: this page for a used-up trial (with{' '}
+            <code>upgrade_action: sign_in</code>, meaning run <code>agent-relay login</code>), or billing settings
+            for a signed-in workspace. Monthly API-call limits reset at the start of each UTC month; the trial
+            allowance does not reset.
+          </p>
+        </section>
+      </main>
+
+      <SiteFooter />
+    </div>
+  );
+}
diff --git a/web/app/sitemap.ts b/web/app/sitemap.ts
index 21b8901c..2e543338 100644
--- a/web/app/sitemap.ts
+++ b/web/app/sitemap.ts
@@ -138,6 +138,12 @@ export default function sitemap(): MetadataRoute.Sitemap {
       changeFrequency: 'yearly',
       priority: 0.4,
     },
+    {
+      url: absoluteUrl('/pricing'),
+      lastModified: now,
+      changeFrequency: 'monthly',
+      priority: 0.7,
+    },
     {
       url: absoluteUrl('/support'),
       lastModified: now,
diff --git a/web/lib/pricing.ts b/web/lib/pricing.ts
new file mode 100644
index 00000000..3e35384d
--- /dev/null
+++ b/web/lib/pricing.ts
@@ -0,0 +1,65 @@
+/**
+ * Relay plans. Monthly message figures are sizing guidance, not hard caps:
+ * Relaycast does not enforce a monthly message limit. The hard message gate is
+ * the hosted trial's one-time 100 messages. API-call and rate limits are
+ * enforced. Limits mirror
+ * `PLAN_LIMITS` in @relaycast/engine (packages/engine/src/providers/static-entitlements.ts);
+ * keep them in step when the engine changes.
+ *
+ * Paid prices are not set yet. `price` stays "Contact us" until they are
+ * confirmed — do not fill in numbers here without that decision.
+ */
+export interface RelayPlan {
+  id: 'selfhost' | 'trial' | 'free' | 'pro' | 'enterprise';
+  name: string;
+  who: string;
+  messages: string;
+  limits: string;
+  price: string;
+}
+
+export const RELAY_PLANS: readonly RelayPlan[] = [
+  {
+    id: 'selfhost',
+    name: 'Local and self-hosted',
+    who: 'Run Relay on your own machine or servers',
+    messages: 'Unlimited',
+    limits: 'Unlimited agents and API calls, 30,000 requests a minute',
+    price: 'Free',
+  },
+  {
+    id: 'trial',
+    name: 'Hosted trial',
+    who: 'A hosted workspace created without signing in',
+    messages: '100 messages, one time (hard limit)',
+    limits: 'Enough to connect agents on two machines. Sign in (free) to keep going',
+    price: 'Free',
+  },
+  {
+    id: 'free',
+    name: 'Hosted Free',
+    who: 'Sign in with your account',
+    messages: 'Up to 10,000 messages a month',
+    limits: '5 agents, 100,000 API calls a month, 300 requests a minute',
+    price: 'Free',
+  },
+  {
+    id: 'pro',
+    name: 'Pro',
+    who: 'Teams running agents every day',
+    messages: 'Up to 1,000,000 messages a month',
+    limits: '100 agents, 10,000,000 API calls a month, 6,000 requests a minute',
+    price: 'Contact us',
+  },
+  {
+    id: 'enterprise',
+    name: 'Enterprise',
+    who: 'Custom limits, security review, and support',
+    messages: 'Unlimited',
+    limits: 'Unlimited agents and API calls, 30,000 requests a minute',
+    price: 'Contact us',
+  },
+];
+
+/** Where an anonymous hosted workspace signs in. The trial's limit error links to /pricing, which links here. */
+export const SIGN_IN_PATH = '/login';
diff --git a/web/lib/test/pricing-page.test.tsx b/web/lib/test/pricing-page.test.tsx
new file mode 100644
index 00000000..5274a4af
--- /dev/null
+++ b/web/lib/test/pricing-page.test.tsx
@@ -0,0 +1,59 @@
+import { renderToStaticMarkup } from 'react-dom/server';
+import { describe, expect, it, vi } from 'vitest';
+
+vi.mock('../../components/GitHubStars', () => ({ GitHubStarsBadge: () => null }));
+vi.mock('../../components/SiteFooter', () => ({ SiteFooter: () => null }));
+vi.mock('../../components/SiteNav', () => ({ SiteNav: () => null }));
+
+import PricingPage from '../../app/pricing/page';
+import sitemap from '../../app/sitemap';
+import { RELAY_PLANS, SIGN_IN_PATH } from '../pricing';
+import { absoluteUrl } from '../site';
+
+const html = renderToStaticMarkup(<PricingPage />);
+
+describe('pricing page', () => {
+  it('states local and self-hosted use as unlimited and free', () => {
+    expect(html).toContain('Local and self-hosted');
+    expect(html).toMatch(/Local and self-hosted[\s\S]*?Unlimited[\s\S]*?Free/);
+  });
+
+  it('makes the 100-message trial the hard gate and signing in the way past it', () => {
+    expect(html).toContain('100 messages, one time (hard limit)');
+    expect(html).toContain('Signing in is free and continues past the trial');
+    expect(html).toContain(`href="${SIGN_IN_PATH}"`);
+    expect(html).toContain('agent-relay login');
+    expect(html).toContain('id="trial"');
+    // No claim flow: signing in means a new workspace, not the trial one.
+    expect(html).toContain('does not convert the trial');
+  });
+
+  it('scopes plan_limit_exceeded to plan quotas and states the self-hosted request ceiling', () => {
+    expect(html).toContain('When a workspace uses up the trial or a monthly plan quota');
+    expect(html).not.toContain('No limits');
+    expect(html).toContain('30,000 requests a minute');
+  });
+
+  it('does not promise a hard monthly message cap', () => {
+    expect(html).toContain('Up to 10,000 messages a month');
+    expect(html).toContain('Up to 1,000,000 messages a month');
+    expect(html).toContain('not hard caps');
+    expect(html).not.toMatch(/(?<!Up to |up to )10,000 messages a month/);
+  });
+
+  it('lists paid plans without inventing prices', () => {
+    for (const plan of RELAY_PLANS.filter((p) => p.id === 'pro' || p.id === 'enterprise')) {
+      expect(plan.price).toBe('Contact us');
+    }
+    expect(html).not.toMatch(/\$\d/);
+  });
+
+  it('explains the limit error and its upgrade URL', () => {
+    expect(html).toContain('plan_limit_exceeded');
+    expect(html).toContain('upgrade_url');
+  });
+
+  it('is canonical and in the sitemap', () => {
+    expect(sitemap().map((entry) => entry.url)).toContain(absoluteUrl('/pricing'));
+  });
+});