diff --git a/changelog.d/fixes/15396-unify-free-provider-lists.md b/changelog.d/fixes/15396-unify-free-provider-lists.md
new file mode 100644
index 000000000000..18ae8d01b062
--- /dev/null
+++ b/changelog.d/fixes/15396-unify-free-provider-lists.md
@@ -0,0 +1 @@
+- **fix(rankings):** free provider ranking now follows the documented free-model catalog ([#15396](https://github.com/diegosouzapw/OmniRoute/pull/15396)) — thanks @maxmad64bis
diff --git a/src/lib/freeProviderRankings.ts b/src/lib/freeProviderRankings.ts
index 2fb000987eda..e762110ddf25 100644
--- a/src/lib/freeProviderRankings.ts
+++ b/src/lib/freeProviderRankings.ts
@@ -9,6 +9,7 @@
  */
 
 import { NOAUTH_PROVIDERS, OAUTH_PROVIDERS, APIKEY_PROVIDERS } from "@/shared/constants/providers";
+import { providerHasFreeModels } from "@/shared/utils/freeModels";
 import { REGISTRY } from "@omniroute/open-sse/config/providerRegistry";
 import { listModelIntelligence } from "./db/modelIntelligence";
 import { getProviderConnections } from "./db/providers";
@@ -82,29 +83,35 @@ function getFreeProviders() {
     });
   }
 
-  // OAuth providers with free tier
+  // OAuth providers with a documented free tier
   for (const [id, p] of Object.entries(OAUTH_PROVIDERS)) {
-    if ("hasFree" in p && p.hasFree) {
+    if (providerHasFreeModels(id)) {
       providers.push({
         id,
         name: p.name,
         icon: p.icon,
         color: p.color,
-        textIcon: "textIcon" in p ? (p as any).textIcon : undefined,
+        textIcon:
+          typeof p === "object" && p !== null && "textIcon" in p
+            ? ((p as { textIcon?: unknown }).textIcon as string | undefined)
+            : undefined,
         category: "oauth",
       });
     }
   }
 
-  // API key providers with free tier
+  // API key providers with a documented free tier
   for (const [id, p] of Object.entries(APIKEY_PROVIDERS)) {
-    if ("hasFree" in p && p.hasFree) {
+    if (providerHasFreeModels(id)) {
       providers.push({
         id,
         name: p.name,
         icon: p.icon,
         color: p.color,
-        textIcon: "textIcon" in p ? (p as any).textIcon : undefined,
+        textIcon:
+          typeof p === "object" && p !== null && "textIcon" in p
+            ? ((p as { textIcon?: unknown }).textIcon as string | undefined)
+            : undefined,
         category: "apikey",
       });
     }
diff --git a/tests/unit/free-provider-rankings-catalog-unification.test.ts b/tests/unit/free-provider-rankings-catalog-unification.test.ts
new file mode 100644
index 000000000000..4954be994317
--- /dev/null
+++ b/tests/unit/free-provider-rankings-catalog-unification.test.ts
@@ -0,0 +1,93 @@
+/**
+ * Ranking follows the documented free-model catalog.
+ *
+ * `computeFreeProviderRankings()` must agree with `providerHasFreeModels()`:
+ * providers whose only claim to a free tier is the static `hasFree` flag but
+ * which have no documented free model stay out of the ranking, while catalog
+ * providers with `hasFree: false` stay in. Provider ids and model ids come
+ * from the production readers (constants + registry), never hand-written.
+ */
+import { test } from "node:test";
+import assert from "node:assert/strict";
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+
+const TEST_DATA_DIR = fs.mkdtempSync(path.join(os.tmpdir(), "omniroute-rankings-catalog-"));
+process.env.DATA_DIR = TEST_DATA_DIR;
+
+const core = await import("../../src/lib/db/core.ts");
+const intelligenceDb = await import("../../src/lib/db/modelIntelligence.ts");
+const rankings = await import("../../src/lib/freeProviderRankings.ts");
+const { REGISTRY } = await import("../../open-sse/config/providerRegistry.ts");
+const { providerHasFreeModels } = await import("../../src/shared/utils/freeModels.ts");
+
+function registryModelIds(providerId: string): string[] {
+  const entry = REGISTRY[providerId] as { models?: Array<{ id?: string }> } | undefined;
+  return (entry?.models ?? [])
+    .map((m) => m.id)
+    .filter((id): id is string => typeof id === "string");
+}
+
+function seedScores(modelIds: string[]): void {
+  for (const model of modelIds) {
+    intelligenceDb.upsertModelIntelligence({
+      model,
+      source: "arena_elo",
+      category: "default",
+      score: 0.85,
+      eloRaw: 1300,
+      confidence: "high",
+      expiresAt: null,
+    });
+  }
+}
+
+test.after(() => {
+  core.resetDbInstance();
+  fs.rmSync(TEST_DATA_DIR, { recursive: true, force: true, maxRetries: 5, retryDelay: 100 });
+});
+
+test("ranking excludes providers with a raw free flag but no documented free model", async () => {
+  const outside = ["sarvam", "modal", "openference"];
+  for (const id of outside) {
+    assert.equal(providerHasFreeModels(id), false, `${id} must be outside the free catalog`);
+  }
+  for (const id of outside) {
+    seedScores(registryModelIds(id));
+  }
+
+  const ranking = await rankings.computeFreeProviderRankings(undefined, 200, {});
+  const ids = new Set(ranking.map((r) => r.id));
+  for (const id of outside) {
+    assert.ok(!ids.has(id), `${id} must stay out of the free ranking`);
+  }
+});
+
+test("ranking keeps catalog providers whose static free flag is off", async () => {
+  const cataloged = ["predibase", "publicai"];
+  for (const id of cataloged) {
+    assert.equal(providerHasFreeModels(id), true, `${id} must be in the free catalog`);
+  }
+  for (const id of cataloged) {
+    seedScores(registryModelIds(id));
+  }
+
+  const ranking = await rankings.computeFreeProviderRankings(undefined, 200, {});
+  const ids = new Set(ranking.map((r) => r.id));
+  for (const id of cataloged) {
+    assert.ok(ids.has(id), `${id} must appear in the free ranking`);
+  }
+});
+
+test("ranking still lists always-free providers from the free catalog", async () => {
+  const id = "aihorde";
+  assert.equal(providerHasFreeModels(id), true, `${id} must be in the free catalog`);
+  seedScores(registryModelIds(id));
+
+  const ranking = await rankings.computeFreeProviderRankings(undefined, 200, {});
+  assert.ok(
+    ranking.some((r) => r.id === id),
+    `${id} must appear in the free ranking`
+  );
+});