diff --git a/av1/encoder/aq_cyclicrefresh.c b/av1/encoder/aq_cyclicrefresh.c
index 0a955b8..cc97802 100644
--- a/av1/encoder/aq_cyclicrefresh.c
+++ b/av1/encoder/aq_cyclicrefresh.c
@@ -293,9 +293,12 @@
   // Set minimum gf_interval for GF update to a multiple of the refresh period,
   // with some max limit. Depending on past encoding stats, GF flag may be
   // reset and update may not occur until next baseline_gf_interval.
+  const int gf_length_mult[2] = { 8, 4 };
   if (cr->percent_refresh > 0)
     p_rc->baseline_gf_interval =
-        AOMMIN(8 * (100 / cr->percent_refresh), MAX_GF_INTERVAL_RT);
+        AOMMIN(gf_length_mult[cpi->sf.rt_sf.gf_length_lvl] *
+                   (100 / cr->percent_refresh),
+               MAX_GF_INTERVAL_RT);
   else
     p_rc->baseline_gf_interval = FIXED_GF_INTERVAL_RT;
   if (rc->avg_frame_low_motion && rc->avg_frame_low_motion < 40)
diff --git a/av1/encoder/speed_features.c b/av1/encoder/speed_features.c
index 4b2f8e7..dc6c2ae 100644
--- a/av1/encoder/speed_features.c
+++ b/av1/encoder/speed_features.c
@@ -1215,6 +1215,7 @@
       sf->rt_sf.use_nonrd_altref_frame = 1;
     }
     if (speed >= 9) {
+      sf->rt_sf.gf_length_lvl = 1;
       sf->rt_sf.skip_cdef_sb = 1;
     }
   }
@@ -1842,6 +1843,7 @@
   rt_sf->force_large_partition_blocks_intra = 0;
   rt_sf->skip_tx_no_split_var_based_partition = 0;
   rt_sf->skip_newmv_mode_based_on_sse = 0;
+  rt_sf->gf_length_lvl = 0;
 }
 
 void av1_set_speed_features_framesize_dependent(AV1_COMP *cpi, int speed) {
diff --git a/av1/encoder/speed_features.h b/av1/encoder/speed_features.h
index 77a2d01..41a56a6 100644
--- a/av1/encoder/speed_features.h
+++ b/av1/encoder/speed_features.h
@@ -1309,6 +1309,10 @@
   // Intermediate termination of newMV mode evaluation based on so far best mode
   // sse
   int skip_newmv_mode_based_on_sse;
+
+  // Define gf length multiplier.
+  // Level 0: use large multiplier, level 1: use medium multiplier.
+  int gf_length_lvl;
 } REAL_TIME_SPEED_FEATURES;
 
 /*!\endcond */