diff --git a/providers/openai.toml b/providers/openai.toml
index dc95d3c..d98be56 100644
--- a/providers/openai.toml
+++ b/providers/openai.toml
@@ -1,5 +1,5 @@
 # OpenAI — https://openai.com
-# Models: 13 (including 2 Codex variants)
+# Models: 15 (including 2 Codex variants)
 
 [provider]
 id = "openai"
@@ -154,6 +154,32 @@ supports_vision = true
 supports_streaming = true
 aliases = []
 
+[[models]]
+id = "gpt-5.4"
+display_name = "GPT-5.4"
+tier = "frontier"
+context_window = 1050000
+max_output_tokens = 128000
+input_cost_per_m = 2.50
+output_cost_per_m = 15.0
+supports_tools = true
+supports_vision = true
+supports_streaming = true
+aliases = []
+
+[[models]]
+id = "gpt-5.4-mini"
+display_name = "GPT-5.4 Mini"
+tier = "balanced"
+context_window = 400000
+max_output_tokens = 128000
+input_cost_per_m = 0.75
+output_cost_per_m = 4.50
+supports_tools = true
+supports_vision = true
+supports_streaming = true
+aliases = []
+
 # Codex variants (same OpenAI driver & API key)
 
 [[models]]