diff --git a/go/chromiumos/bot_scaling.pb.go b/go/chromiumos/bot_scaling.pb.go
index 6a5c58c..ecab572 100644
--- a/go/chromiumos/bot_scaling.pb.go
+++ b/go/chromiumos/bot_scaling.pb.go
@@ -119,7 +119,9 @@
 	// The string bot "shirt size" to be requested for the group.
 	BotSize string `protobuf:"bytes,1,opt,name=bot_size,json=botSize,proto3" json:"bot_size,omitempty"`
 	// The number of cores per bot. Will be used to limit quota usage.
-	CoresPerBot          int32    `protobuf:"varint,2,opt,name=cores_per_bot,json=coresPerBot,proto3" json:"cores_per_bot,omitempty"`
+	CoresPerBot int32 `protobuf:"varint,2,opt,name=cores_per_bot,json=coresPerBot,proto3" json:"cores_per_bot,omitempty"`
+	// Estimated hourly cost.
+	HourlyCost           float32  `protobuf:"fixed32,3,opt,name=hourly_cost,json=hourlyCost,proto3" json:"hourly_cost,omitempty"`
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
 	XXX_unrecognized     []byte   `json:"-"`
 	XXX_sizecache        int32    `json:"-"`
@@ -164,6 +166,13 @@
 	return 0
 }
 
+func (m *BotType) GetHourlyCost() float32 {
+	if m != nil {
+		return m.HourlyCost
+	}
+	return 0
+}
+
 // Defines Swarming dimensions associated with a bot group.
 type SwarmingDimension struct {
 	// Dimesion name
@@ -517,11 +526,14 @@
 	// for this bot group. See step_size for more info.
 	Actionable ScalingAction_Actionable `protobuf:"varint,3,opt,name=actionable,proto3,enum=chromiumos.ScalingAction_Actionable" json:"actionable,omitempty"`
 	// Total number of bots requested for the group.
-	BotsRequested        int32                           `protobuf:"varint,4,opt,name=bots_requested,json=botsRequested,proto3" json:"bots_requested,omitempty"`
-	RegionalActions      []*ScalingAction_RegionalAction `protobuf:"bytes,5,rep,name=regional_actions,json=regionalActions,proto3" json:"regional_actions,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}                        `json:"-"`
-	XXX_unrecognized     []byte                          `json:"-"`
-	XXX_sizecache        int32                           `json:"-"`
+	BotsRequested   int32                           `protobuf:"varint,4,opt,name=bots_requested,json=botsRequested,proto3" json:"bots_requested,omitempty"`
+	RegionalActions []*ScalingAction_RegionalAction `protobuf:"bytes,5,rep,name=regional_actions,json=regionalActions,proto3" json:"regional_actions,omitempty"`
+	// Estimated savings based on current run.
+	// Based on current number of bots compared against the max.
+	EstimatedSavings     float32  `protobuf:"fixed32,6,opt,name=estimated_savings,json=estimatedSavings,proto3" json:"estimated_savings,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
 }
 
 func (m *ScalingAction) Reset()         { *m = ScalingAction{} }
@@ -584,6 +596,13 @@
 	return nil
 }
 
+func (m *ScalingAction) GetEstimatedSavings() float32 {
+	if m != nil {
+		return m.EstimatedSavings
+	}
+	return 0
+}
+
 // How the bot requests are distributed between regions & prefixes.
 type ScalingAction_RegionalAction struct {
 	// Region of the bot sub-group.
@@ -702,57 +721,60 @@
 func init() { proto.RegisterFile("chromiumos/bot_scaling.proto", fileDescriptor_dbe70eabfd64e7ef) }
 
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+	0xc4, 0x47, 0x7c, 0x2b, 0x16, 0xe8, 0x2b, 0x38, 0x26, 0x42, 0xd2, 0x2c, 0x92, 0x64, 0x19, 0x8a,
+	0xe8, 0x2d, 0xcd, 0x13, 0xa1, 0x17, 0xb5, 0x82, 0xbb, 0x8f, 0x07, 0x81, 0xc1, 0x4f, 0x13, 0xe8,
+	0x6c, 0xf3, 0xfd, 0x6b, 0xbf, 0xed, 0xb6, 0x5a, 0xdd, 0xd3, 0x6a, 0x7f, 0x00, 0xb0, 0xd6, 0x0a,
+	0x1d, 0x41, 0xeb, 0xd6, 0x0f, 0xe6, 0x93, 0xd1, 0xf4, 0x72, 0x3a, 0x19, 0x77, 0x9f, 0xa1, 0x06,
+	0x54, 0x5f, 0x4f, 0x82, 0xae, 0x83, 0xea, 0x50, 0xf1, 0x67, 0xdd, 0x4a, 0xff, 0x06, 0x3a, 0x98,
+	0xc5, 0x6c, 0xc4, 0x59, 0x61, 0x1f, 0x36, 0x84, 0xa3, 0xf2, 0x67, 0xa1, 0xd4, 0xca, 0xb8, 0xe6,
+	0xe5, 0x07, 0xb5, 0xc2, 0x1d, 0xb1, 0x19, 0x8a, 0xe1, 0xb7, 0xbf, 0x7e, 0x93, 0xb0, 0xc7, 0xeb,
+	0x03, 0xc6, 0x93, 0xb3, 0x8d, 0x3f, 0x47, 0x9a, 0xdf, 0xf1, 0xe8, 0x4c, 0xff, 0x2d, 0x9e, 0x25,
+	0x6c, 0xe3, 0x24, 0xae, 0x6b, 0xf0, 0xeb, 0x7f, 0x02, 0x00, 0x00, 0xff, 0xff, 0x55, 0x20, 0xdc,
+	0xcd, 0x4b, 0x07, 0x00, 0x00,
 }
diff --git a/src/chromiumos/bot_scaling.proto b/src/chromiumos/bot_scaling.proto
index f7593e9..3c40d44 100644
--- a/src/chromiumos/bot_scaling.proto
+++ b/src/chromiumos/bot_scaling.proto
@@ -14,6 +14,8 @@
   string bot_size = 1;
   // The number of cores per bot. Will be used to limit quota usage.
   int32 cores_per_bot = 2;
+  // Estimated hourly cost.
+  float hourly_cost = 3;
 }
 
 // Defines Swarming dimensions associated with a bot group.
@@ -135,6 +137,9 @@
     int32 bots_requested = 3;
   }
   repeated RegionalAction regional_actions = 5;
+  // Estimated savings based on current run.
+  // Based on current number of bots compared against the max.
+  float estimated_savings = 6;
 }
 
 // All the actions that will be executed by RoboCrop.