diff --git a/src/app/api/providers/suggested-models/filters.js b/src/app/api/providers/suggested-models/filters.js
index 8299f46b..13454757 100644
--- a/src/app/api/providers/suggested-models/filters.js
+++ b/src/app/api/providers/suggested-models/filters.js
@@ -1,6 +1,9 @@
 // Free OpenCode models that don't use the "-free" id suffix
 const KNOWN_FREE_OPENCODE_MODELS = ["big-pickle"];
 
+// Upstream returns "Model is unavailable" for this id (2026-09-02) — re-enable when fixed
+const DEAD_FREE_OPENCODE_MODELS = new Set(["deepseek-v4-flash-free"]);
+
 export const FILTERS = {
   "openrouter-free": (models) =>
     models
@@ -15,7 +18,7 @@ export const FILTERS = {
 
   "opencode-free": (models) =>
     models
-      .filter((m) => m.id?.endsWith("-free") || KNOWN_FREE_OPENCODE_MODELS.includes(m.id))
+      .filter((m) => (m.id?.endsWith("-free") || KNOWN_FREE_OPENCODE_MODELS.includes(m.id)) && !DEAD_FREE_OPENCODE_MODELS.has(m.id))
       .map((m) => ({ id: m.id, name: m.id })),
 
   // models.dev returns a large catalog; keep only mimo models