IntersectMBO · Unisay · Nov 18, 2025 · Nov 13, 2025 · Nov 13, 2025 · Nov 13, 2025
diff --git a/...est-cases/uplc/evaluation/builtin/semantics/lookupCoin/absent/absent.uplc.budget.expected b/...est-cases/uplc/evaluation/builtin/semantics/lookupCoin/absent/absent.uplc.budget.expected
@@ -1,2 +1,2 @@
-({cpu: 100000112100
-| mem: 100000000800})
+({cpu: 360383
+| mem: 801})
diff --git a/...t-cases/uplc/evaluation/builtin/semantics/lookupCoin/present/present.uplc.budget.expected b/...t-cases/uplc/evaluation/builtin/semantics/lookupCoin/present/present.uplc.budget.expected
@@ -1,2 +1,2 @@
-({cpu: 100000112100
-| mem: 100000000800})
+({cpu: 360383
+| mem: 801})
diff --git a/...c/evaluation/builtin/semantics/valueContains/ccy-missing/ccy-missing.uplc.budget.expected b/...c/evaluation/builtin/semantics/valueContains/ccy-missing/ccy-missing.uplc.budget.expected
@@ -1,2 +1,2 @@
-({cpu: 100000080100
-| mem: 100000000600})
+({cpu: 1254910
+| mem: 601})
diff --git a/...uiltin/semantics/valueContains/multi-insufficient/multi-insufficient.uplc.budget.expected b/...uiltin/semantics/valueContains/multi-insufficient/multi-insufficient.uplc.budget.expected
@@ -1,2 +1,2 @@
-({cpu: 100000080100
-| mem: 100000000600})
+({cpu: 1254910
+| mem: 601})
diff --git a/...on/builtin/semantics/valueContains/multi-sufficient/multi-sufficient.uplc.budget.expected b/...on/builtin/semantics/valueContains/multi-sufficient/multi-sufficient.uplc.budget.expected
@@ -1,2 +1,2 @@
-({cpu: 100000080100
-| mem: 100000000600})
+({cpu: 1254910
+| mem: 601})
diff --git a/.../uplc/evaluation/builtin/semantics/valueContains/pos-empty/pos-empty.uplc.budget.expected b/.../uplc/evaluation/builtin/semantics/valueContains/pos-empty/pos-empty.uplc.budget.expected
@@ -1,2 +1,2 @@
-({cpu: 100000080100
-| mem: 100000000600})
+({cpu: 1243150
+| mem: 601})
diff --git a/.../uplc/evaluation/builtin/semantics/valueContains/reflexive/reflexive.uplc.budget.expected b/.../uplc/evaluation/builtin/semantics/valueContains/reflexive/reflexive.uplc.budget.expected
@@ -1,2 +1,2 @@
-({cpu: 100000080100
-| mem: 100000000600})
+({cpu: 1251970
+| mem: 601})
diff --git a/...aluation/builtin/semantics/valueContains/token-missing/token-missing.uplc.budget.expected b/...aluation/builtin/semantics/valueContains/token-missing/token-missing.uplc.budget.expected
@@ -1,2 +1,2 @@
-({cpu: 100000080100
-| mem: 100000000600})
+({cpu: 1247560
+| mem: 601})
diff --git a/plutus-core/changelog.d/20251009_134326_Yuriy.Lazaryev_costing_builtin_value.md b/plutus-core/changelog.d/20251009_134326_Yuriy.Lazaryev_costing_builtin_value.md
@@ -0,0 +1,40 @@
+<!--
+A new scriv changelog fragment.
+
+Uncomment the section that is right (remove the HTML comment wrapper).
+For top level release notes, leave all the headers commented out.
+-->
+
+<!--
+### Removed
+
+- A bullet item for the Removed category.
+
+-->
+<!--
+### Added
+
+- A bullet item for the Added category.
+
+-->
+### Changed
+
+- Updated benchmark data and cost model parameters for Value-related builtins (lookupCoin, valueContains, valueData, unValueData) based on fresh benchmark measurements.
+<!--
+### Deprecated
+
+- A bullet item for the Deprecated category.
+
+-->
+<!--
+### Fixed
+
+- A bullet item for the Fixed category.
+
+-->
+<!--
+### Security
+
+- A bullet item for the Security category.
+
+-->