diff --git a/src/EncoderProvider.php b/src/EncoderProvider.php
index 2ea1105..4d4188b 100644
--- a/src/EncoderProvider.php
+++ b/src/EncoderProvider.php
@@ -59,6 +59,7 @@ final class EncoderProvider implements ResetInterface
         'chatgpt-4o-' => 'o200k_base',
         'gpt-5-' => 'o200k_base',
         'gpt-5.1-' => 'o200k_base',
+        'gpt-5.2-' => 'o200k_base',
         'gpt-4-' => 'cl100k_base',
         'gpt-4.1-' => 'o200k_base',
         'gpt-4.5-' => 'o200k_base',
@@ -72,6 +73,7 @@ final class EncoderProvider implements ResetInterface
         'o4-mini' => 'o200k_base',
         'gpt-5' => 'o200k_base',
         'gpt-5.1' => 'o200k_base',
+        'gpt-5.2' => 'o200k_base',
         'gpt-4' => 'cl100k_base',
         'gpt-4.1' => 'o200k_base',
         'gpt-4o' => 'o200k_base',