diff --git a/providers/opencode/models/grok-build-0.1.toml b/providers/opencode/models/grok-build-0.1.toml
index 141c4e31088..7dd92fc6739 100644
--- a/providers/opencode/models/grok-build-0.1.toml
+++ b/providers/opencode/models/grok-build-0.1.toml
@@ -4,6 +4,7 @@ release_date = "2026-05-20"
 last_updated = "2026-05-20"
 attachment = true
 reasoning = true
+reasoning_options = []
 temperature = true
 tool_call = true
 structured_output = true
diff --git a/providers/opencode/models/grok-code.toml b/providers/opencode/models/grok-code.toml
index 756100c61f1..10cb7134913 100644
--- a/providers/opencode/models/grok-code.toml
+++ b/providers/opencode/models/grok-code.toml
@@ -4,6 +4,7 @@ release_date = "2025-08-20"
 last_updated = "2025-08-20"
 attachment = true
 reasoning = true
+reasoning_options = []
 temperature = true
 tool_call = true
 open_weights = false