diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7aba9851a3..447c4d4e1e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,9 +10,11 @@ and this project adheres to
 
 - cosmwasm-std: Add `SubMsg:reply_never` constructor ([#1929])
 - cosmwasm-std: Add optional memo field to `IbcMsg::Transfer`. ([#1878])
+- cosmwasm-std: Add `Reply::gas_used`. ([#1954])
 
 [#1878]: https://github.com/CosmWasm/cosmwasm/pull/1878
 [#1929]: https://github.com/CosmWasm/cosmwasm/pull/1929
+[#1954]: https://github.com/CosmWasm/cosmwasm/pull/1954
 
 ### Changed
 
diff --git a/SEMANTICS.md b/SEMANTICS.md
index f4862e81af..017735f1e8 100644
--- a/SEMANTICS.md
+++ b/SEMANTICS.md
@@ -286,11 +286,12 @@ pub fn reply(deps: DepsMut, env: Env, msg: Reply) -> Result<Response, ContractEr
 
 pub struct Reply {
     pub id: u64,
-    /// ContractResult is just a nicely serializable version of `Result<SubcallResponse, String>`
-    pub result: ContractResult<SubcallResponse>,
+    pub gas_used: u64,
+    /// SubMsgResult is just a nicely serializable version of `Result<SubMsgResponse, String>`
+    pub result: SubMsgResult,
 }
 
-pub struct SubcallResponse {
+pub struct SubMsgResponse {
     pub events: Vec<Event>,
     pub data: Option<Binary>,
 }
diff --git a/contracts/ibc-reflect/src/contract.rs b/contracts/ibc-reflect/src/contract.rs
index e6bcb96555..3dd6c776ca 100644
--- a/contracts/ibc-reflect/src/contract.rs
+++ b/contracts/ibc-reflect/src/contract.rs
@@ -404,6 +404,7 @@ mod tests {
         // fake a reply and ensure this works
         let response = Reply {
             id,
+            gas_used: 1234567,
             result: SubMsgResult::Ok(SubMsgResponse {
                 events: fake_events(&account),
                 data: None,
@@ -481,6 +482,7 @@ mod tests {
         // fake a reply and ensure this works
         let response = Reply {
             id,
+            gas_used: 1234567,
             result: SubMsgResult::Ok(SubMsgResponse {
                 events: fake_events(REFLECT_ADDR),
                 data: None,
diff --git a/contracts/ibc-reflect/tests/integration.rs b/contracts/ibc-reflect/tests/integration.rs
index 9f1e994fcf..542ff939ac 100644
--- a/contracts/ibc-reflect/tests/integration.rs
+++ b/contracts/ibc-reflect/tests/integration.rs
@@ -95,6 +95,7 @@ fn connect(
     // fake a reply and ensure this works
     let response = Reply {
         id,
+        gas_used: 1234567,
         result: SubMsgResult::Ok(SubMsgResponse {
             events: fake_events(&account),
             data: None,
@@ -173,6 +174,7 @@ fn proper_handshake_flow() {
     // we get the callback from reflect
     let response = Reply {
         id,
+        gas_used: 1234567,
         result: SubMsgResult::Ok(SubMsgResponse {
             events: fake_events(REFLECT_ADDR),
             data: None,
diff --git a/contracts/reflect/schema/raw/response_to_sub_msg_result.json b/contracts/reflect/schema/raw/response_to_sub_msg_result.json
index d3b29ce66d..afe3b4b9b0 100644
--- a/contracts/reflect/schema/raw/response_to_sub_msg_result.json
+++ b/contracts/reflect/schema/raw/response_to_sub_msg_result.json
@@ -4,10 +4,17 @@
   "description": "The result object returned to `reply`. We always get the ID from the submessage back and then must handle success and error cases ourselves.",
   "type": "object",
   "required": [
+    "gas_used",
     "id",
     "result"
   ],
   "properties": {
+    "gas_used": {
+      "description": "The amount of gas used by the submessage, measured in [Cosmos SDK gas](https://github.com/CosmWasm/cosmwasm/blob/main/docs/GAS.md).",
+      "type": "integer",
+      "format": "uint64",
+      "minimum": 0.0
+    },
     "id": {
       "description": "The ID that the contract set when emitting the `SubMsg`. Use this to identify which submessage triggered the `reply`.",
       "type": "integer",
diff --git a/contracts/reflect/schema/reflect.json b/contracts/reflect/schema/reflect.json
index 09a84719e2..713ca2745c 100644
--- a/contracts/reflect/schema/reflect.json
+++ b/contracts/reflect/schema/reflect.json
@@ -1885,10 +1885,17 @@
       "description": "The result object returned to `reply`. We always get the ID from the submessage back and then must handle success and error cases ourselves.",
       "type": "object",
       "required": [
+        "gas_used",
         "id",
         "result"
       ],
       "properties": {
+        "gas_used": {
+          "description": "The amount of gas used by the submessage, measured in [Cosmos SDK gas](https://github.com/CosmWasm/cosmwasm/blob/main/docs/GAS.md).",
+          "type": "integer",
+          "format": "uint64",
+          "minimum": 0.0
+        },
         "id": {
           "description": "The ID that the contract set when emitting the `SubMsg`. Use this to identify which submessage triggered the `reply`.",
           "type": "integer",
diff --git a/contracts/reflect/src/contract.rs b/contracts/reflect/src/contract.rs
index 87208f2e94..4d32665c6e 100644
--- a/contracts/reflect/src/contract.rs
+++ b/contracts/reflect/src/contract.rs
@@ -434,11 +434,16 @@ mod tests {
         let id = 123u64;
         let data = Binary::from(b"foobar");
         let events = vec![Event::new("message").add_attribute("signer", "caller-addr")];
+        let gas_used = 1234567u64;
         let result = SubMsgResult::Ok(SubMsgResponse {
             events: events.clone(),
             data: Some(data.clone()),
         });
-        let subcall = Reply { id, result };
+        let subcall = Reply {
+            id,
+            gas_used,
+            result,
+        };
         let res = reply(deps.as_mut(), mock_env(), subcall).unwrap();
         assert_eq!(0, res.messages.len());
 
diff --git a/contracts/reflect/tests/integration.rs b/contracts/reflect/tests/integration.rs
index 47714925f0..6be7f79bd2 100644
--- a/contracts/reflect/tests/integration.rs
+++ b/contracts/reflect/tests/integration.rs
@@ -268,11 +268,16 @@ fn reply_and_query() {
     let id = 123u64;
     let data = Binary::from(b"foobar");
     let events = vec![Event::new("message").add_attribute("signer", "caller-addr")];
+    let gas_used = 1234567u64;
     let result = SubMsgResult::Ok(SubMsgResponse {
         events: events.clone(),
         data: Some(data.clone()),
     });
-    let subcall = Reply { id, result };
+    let subcall = Reply {
+        id,
+        gas_used,
+        result,
+    };
     let res: Response = reply(&mut deps, mock_env(), subcall).unwrap();
     assert_eq!(0, res.messages.len());
 
diff --git a/packages/go-gen/src/main.rs b/packages/go-gen/src/main.rs
index 8d3dcc3d40..7dd00d383f 100644
--- a/packages/go-gen/src/main.rs
+++ b/packages/go-gen/src/main.rs
@@ -11,7 +11,7 @@ mod schema;
 mod utils;
 
 fn main() -> Result<()> {
-    let root = cosmwasm_schema::schema_for!(cosmwasm_std::BankQuery);
+    let root = cosmwasm_schema::schema_for!(cosmwasm_std::Reply);
 
     let code = generate_go(root)?;
     println!("{}", code);
diff --git a/packages/std/src/results/submessages.rs b/packages/std/src/results/submessages.rs
index 176677abe4..973047c771 100644
--- a/packages/std/src/results/submessages.rs
+++ b/packages/std/src/results/submessages.rs
@@ -102,6 +102,9 @@ pub struct Reply {
     /// The ID that the contract set when emitting the `SubMsg`.
     /// Use this to identify which submessage triggered the `reply`.
     pub id: u64,
+    /// The amount of gas used by the submessage,
+    /// measured in [Cosmos SDK gas](https://github.com/CosmWasm/cosmwasm/blob/main/docs/GAS.md).
+    pub gas_used: u64,
     pub result: SubMsgResult,
 }
 
diff --git a/packages/vm/src/calls.rs b/packages/vm/src/calls.rs
index 29d1b9a3ab..d9421c5b4f 100644
--- a/packages/vm/src/calls.rs
+++ b/packages/vm/src/calls.rs
@@ -900,6 +900,7 @@ mod tests {
             // which creates a reflect account. here we get the callback
             let response = Reply {
                 id,
+                gas_used: 1234567,
                 result: SubMsgResult::Ok(SubMsgResponse {
                     events: vec![event],
                     data: None,