diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index cb532dd7d9372fc74b4c2d3ef3a80b4c90777297..79d38c192741cf3c6cc945af73776a33e341a337 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -57,7 +57,8 @@ variables:
     options:
       - 'default'
       - 'pytest-compare'
-      - 'pytest-compare-enc-dmx'
+      - 'pytest-compare-enc-dmx-short'
+      - 'pytest-compare-enc-dmx-long'
       - 'pytest-compare-long'
       - 'pytest-compare-to-input'
       - 'pytest-saturation-smoke-test'
@@ -92,9 +93,12 @@ workflow:
     - if: $CI_PIPELINE_SOURCE == 'web' && $MANUAL_PIPELINE_TYPE == 'pytest-compare'
       variables:
         IVAS_PIPELINE_NAME: 'Run comparison tools against float ref: $CI_COMMIT_BRANCH'
-    - if: $CI_PIPELINE_SOURCE == 'web' && $MANUAL_PIPELINE_TYPE == 'pytest-compare-enc-dmx'
+    - if: $CI_PIPELINE_SOURCE == 'web' && $MANUAL_PIPELINE_TYPE == 'pytest-compare-enc-dmx-short'
       variables:
-        IVAS_PIPELINE_NAME: 'Run encoder dmx comparison against float ref: $CI_COMMIT_BRANCH'
+        IVAS_PIPELINE_NAME: 'Run encoder dmx comparison against float ref with STV: $CI_COMMIT_BRANCH'
+    - if: $CI_PIPELINE_SOURCE == 'web' && $MANUAL_PIPELINE_TYPE == 'pytest-compare-enc-dmx-long'
+      variables:
+        IVAS_PIPELINE_NAME: 'Run encoder dmx comparison against float ref with LTV: $CI_COMMIT_BRANCH'
     - if: $CI_PIPELINE_SOURCE == 'web' && $MANUAL_PIPELINE_TYPE == 'pytest-compare-long'
       variables:
         IVAS_PIPELINE_NAME: 'Run comparison tools against float ref (long test vectors): $CI_COMMIT_BRANCH'
@@ -288,9 +292,17 @@ stages:
     - if: $CI_PIPELINE_SOURCE == 'schedule'
       when: never
 
-.rules-pytest-to-ref-enc-sort-dmx:
+.rules-pytest-to-ref-enc-short-dmx:
   rules:
-    - if: $CI_PIPELINE_SOURCE == 'web' && $MANUAL_PIPELINE_TYPE == "pytest-compare-enc-dmx"
+    - if: $CI_PIPELINE_SOURCE == 'web' && $MANUAL_PIPELINE_TYPE == "pytest-compare-enc-dmx-short"
+    - if: $CI_PIPELINE_SOURCE == 'push'
+      when: never
+    - if: $CI_PIPELINE_SOURCE == 'schedule'
+      when: never
+
+.rules-pytest-to-ref-enc-long-dmx:
+  rules:
+    - if: $CI_PIPELINE_SOURCE == 'web' && $MANUAL_PIPELINE_TYPE == "pytest-compare-enc-dmx-long"
     - if: $CI_PIPELINE_SOURCE == 'push'
       when: never
     - if: $CI_PIPELINE_SOURCE == 'schedule'
@@ -366,7 +378,7 @@ stages:
 .ivas-pytest-anchor: &ivas-pytest-anchor
   stage: test
   needs: ["build-codec-linux-make"]
-  timeout: "360 minutes"
+  timeout: "2400 minutes"
   variables:
     # keep "mld" in artifact name for backwards compatibility reasons
     CSV_ARTIFACT_NAME: "mld--$CI_JOB_NAME-$CI_JOB_ID--sha-$CI_COMMIT_SHORT_SHA.csv"
@@ -1240,7 +1252,7 @@ ivas-pytest-compare_to_ref-short-enc-lev+10:
 # encoder dmx comparison jobs
 ivas-pytest-compare_to_ref-dmx-short-enc:
   extends:
-    - .rules-pytest-to-ref-enc-sort-dmx
+    - .rules-pytest-to-ref-enc-short-dmx
     - .test-job-linux
   before_script:
     - USE_LTV=0
@@ -1253,7 +1265,7 @@ ivas-pytest-compare_to_ref-dmx-short-enc:
 
 ivas-pytest-compare_to_ref-dmx-short-enc-lev-10:
   extends:
-    - .rules-pytest-to-ref-enc-sort-dmx
+    - .rules-pytest-to-ref-enc-short-dmx
     - .test-job-linux
   before_script:
     - USE_LTV=0
@@ -1266,7 +1278,7 @@ ivas-pytest-compare_to_ref-dmx-short-enc-lev-10:
 
 ivas-pytest-compare_to_ref-dmx-short-enc-lev+10:
   extends:
-    - .rules-pytest-to-ref-enc-sort-dmx
+    - .rules-pytest-to-ref-enc-short-dmx
     - .test-job-linux
   before_script:
     - USE_LTV=0
@@ -1277,6 +1289,45 @@ ivas-pytest-compare_to_ref-dmx-short-enc-lev+10:
     - LEVEL_SCALING=3.162
   <<: *ivas-pytest-anchor
 
+ivas-pytest-compare_to_ref-dmx-long-enc:
+  extends:
+    - .rules-pytest-to-ref-enc-long-dmx
+    - .test-job-linux
+  before_script:
+    - USE_LTV=1
+    - ENCODER_TEST="true"
+    - COMPARE_DMX="true"
+    - DUT_DECODER_PATH=./$REF_DECODER_PATH
+    - TEST_SUITE="$LONG_TEST_SUITE_ENCODER"
+    - LEVEL_SCALING=1.0
+  <<: *ivas-pytest-anchor
+
+ivas-pytest-compare_to_ref-dmx-long-enc-lev-10:
+  extends:
+    - .rules-pytest-to-ref-enc-long-dmx
+    - .test-job-linux
+  before_script:
+    - USE_LTV=1
+    - ENCODER_TEST="true"
+    - COMPARE_DMX="true"
+    - DUT_DECODER_PATH=./$REF_DECODER_PATH
+    - TEST_SUITE="$LONG_TEST_SUITE_ENCODER"
+    - LEVEL_SCALING=0.3162
+  <<: *ivas-pytest-anchor
+
+ivas-pytest-compare_to_ref-dmx-long-enc-lev+10:
+  extends:
+    - .rules-pytest-to-ref-enc-long-dmx
+    - .test-job-linux
+  before_script:
+    - USE_LTV=1
+    - ENCODER_TEST="true"
+    - COMPARE_DMX="true"
+    - DUT_DECODER_PATH=./$REF_DECODER_PATH
+    - TEST_SUITE="$LONG_TEST_SUITE_ENCODER"
+    - LEVEL_SCALING=3.162
+  <<: *ivas-pytest-anchor
+
 ivas-pytest-enc-msan:
   extends:
     - .test-job-linux