Update data.js (#10)

Author: axbuglak

lib/openai/data.js

@@ -8,6 +8,9 @@ const models = {
     'gpt-4-1106-preview': { prices: { prompt: 10.0, completion: 30.0 } },
     'gpt-3.5-turbo-0125': { prices: { prompt: 0.5, completion: 1.5 } },
     'gpt-4o-mini': { prices: { prompt: 0.15, completion: 0.6 } },
+    'gpt-4.1': { prices: { prompt: 2.0, completion: 8.0 } },
+    'gpt-4.1-mini': { prices: { prompt: 0.4, completion: 1.6 } },
+    'gpt-4.1-nano': { prices: { prompt: 0.1, completion: 0.4 } },
   },
   //...No models in Tiktoken
   embedding: {