diff --git a/app/services/analysis.py b/app/services/analysis.py
index 32dd497..66600cb 100644
--- a/app/services/analysis.py
+++ b/app/services/analysis.py
@@ -96,16 +96,56 @@ def _run(prompt: str, *, system: str = _SYSTEM) -> str:
 
     try:
         provider = get_provider()
-        return provider.complete(
+        content = provider.complete(
             [
                 {"role": "system", "content": system},
                 {"role": "user", "content": prompt},
             ]
         )
+        _record_analysis_usage(provider)
+        return content
     except LLMProviderError as exc:
         return f"[analysis unavailable: {exc}]"
 
 
+def _record_analysis_usage(provider) -> None:
+    """Record one GitHub-analysis completion in the central usage ledger.
+
+    ``complete()`` returns text only, so token counts are recorded as estimated
+    zeroes rather than guessed. Accounting is best-effort and must never break
+    analysis; anonymous calls and calls outside an app context are not ledgered
+    because they have no owner.
+    """
+    from flask import has_app_context
+
+    if not has_app_context():
+        return
+
+    from flask_login import current_user
+
+    if not getattr(current_user, "is_authenticated", False):
+        return
+
+    from app.services import usage_ledger
+
+    model = getattr(provider, "model", None)
+    if not model:
+        models = getattr(provider, "models", ()) or ()
+        model = models[0] if models else None
+    try:
+        usage_ledger.record_usage(
+            source=usage_ledger.SOURCE_ANALYSIS,
+            user=current_user,
+            provider=getattr(provider, "name", None),
+            model=model,
+            tokens_estimated=True,
+            status=usage_ledger.STATUS_SUCCESS,
+        )
+    except Exception:
+        # Never let accounting change the analysis result.
+        return
+
+
 def _clip(text: str, limit: int = MAX_CONTEXT_CHARS) -> str:
     if len(text) <= limit:
         return text
diff --git a/tests/test_analysis_usage_ledger.py b/tests/test_analysis_usage_ledger.py
new file mode 100644
index 0000000..214dadc
--- /dev/null
+++ b/tests/test_analysis_usage_ledger.py
@@ -0,0 +1,46 @@
+"""GitHub analysis must record one usage-ledger row per LLM call (#366)."""
+
+from __future__ import annotations
+
+from types import SimpleNamespace
+
+from flask_login import login_user
+
+from app.models import UsageRecord
+from app.services import analysis, budgets
+
+
+class FakeProvider:
+    name = "mock"
+    model = "mock-1"
+    models = ("mock-1",)
+
+    def complete(self, messages, *, stream=False):
+        return "analysis result"
+
+    def chat(self, messages, **kwargs):
+        raise AssertionError("analysis must keep using the provider's complete() path")
+
+
+def test_github_analysis_records_a_ledger_row(app, db, make_user, monkeypatch):
+    user = make_user(username="analyst", email="analyst@example.com")
+    monkeypatch.setattr(analysis, "get_provider", lambda: FakeProvider())
+    monkeypatch.setattr(
+        budgets,
+        "check_budgets",
+        lambda current_user: SimpleNamespace(allowed=True, message=""),
+    )
+    monkeypatch.setattr(budgets, "after_usage_recorded", lambda record: None)
+
+    with app.test_request_context("/"):
+        login_user(user)
+        assert analysis._run("review this change") == "analysis result"
+
+    row = UsageRecord.query.order_by(UsageRecord.id.desc()).first()
+    assert row is not None
+    assert row.source == "analysis"
+    assert row.user_id == user.id
+    assert row.provider == "mock"
+    assert row.model == "mock-1"
+    assert row.total_tokens == 0
+    assert row.tokens_estimated is True