diff --git a/vllm/sequence.py b/vllm/sequence.py
index 5847626b..ecfaee6e 100644
--- a/vllm/sequence.py
+++ b/vllm/sequence.py
@@ -401,6 +401,12 @@ class SequenceGroupOutputs:
         return (f"SequenceGroupOutputs(samples={self.samples}, "
                 f"prompt_logprobs={self.prompt_logprobs})")
 
+    def __eq__(self, other: object) -> bool:
+        if not isinstance(other, SequenceGroupOutputs):
+            raise NotImplementedError()
+        return (self.samples == other.samples
+                and self.prompt_logprobs == other.prompt_logprobs)
+
 
 # For each sequence group, we generate a list of SequenceOutputs object,
 # each of which contains one possible candidate for the next token.