diff --git a/lib/ruby_llm/providers/openai/capabilities.rb b/lib/ruby_llm/providers/openai/capabilities.rb
index 8b7536757..9b652974e 100644
--- a/lib/ruby_llm/providers/openai/capabilities.rb
+++ b/lib/ruby_llm/providers/openai/capabilities.rb
@@ -264,7 +264,7 @@ def capabilities_for(model_id) # rubocop:disable Metrics/PerceivedComplexity
           capabilities << 'batch' if model_id.match?(/embedding|batch/)
 
           # Advanced capabilities
-          capabilities << 'reasoning' if model_id.match?(/o1/)
+          capabilities << 'reasoning' if model_id.match?(/o\d|gpt-5|codex/)
 
           if model_id.match?(/gpt-4-turbo|gpt-4o/)
             capabilities << 'image_generation' if model_id.match?(/vision/)