diff --git a/.changeset/realtime-gateway-obs.md b/.changeset/realtime-gateway-obs.md
new file mode 100644
index 000000000..fcd7c23cb
--- /dev/null
+++ b/.changeset/realtime-gateway-obs.md
@@ -0,0 +1,5 @@
+---
+"github.com/livekit/protocol": patch
+---
+
+Add realtime (speech-to-speech) reporter methods to gatewayobs, regenerated from cloud-observability schema/gateway.yaml realtime billing columns (#502).
diff --git a/observability/gatewayobs/gen_reporter.go b/observability/gatewayobs/gen_reporter.go
index 5eb9ef119..3c8dee4a9 100644
--- a/observability/gatewayobs/gen_reporter.go
+++ b/observability/gatewayobs/gen_reporter.go
@@ -6,7 +6,7 @@ import (
 	"time"
 )
 
-const Version_9V68R3G = true
+const Version_J1BFFVO = true
 
 type KeyResolver interface {
 	Resolve(string)
@@ -109,6 +109,15 @@ type modelReporter interface {
 	ReportInferenceTotalTokens(v uint64)
 	ReportInferenceCacheCreateTokens(v uint64)
 	ReportInferenceCacheReadTokens(v uint64)
+	ReportRealtimeDurationSeconds(v uint32)
+	ReportRealtimeInputTextTokens(v uint64)
+	ReportRealtimeInputAudioTokens(v uint64)
+	ReportRealtimeInputImageTokens(v uint64)
+	ReportRealtimeInputVideoTokens(v uint64)
+	ReportRealtimeOutputTextTokens(v uint64)
+	ReportRealtimeOutputAudioTokens(v uint64)
+	ReportRealtimeCachedTextTokens(v uint64)
+	ReportRealtimeCachedAudioTokens(v uint64)
 	ReportSttDuration(v uint32)
 	ReportTtsChars(v uint32)
 	ReportBargeInRequests(v uint64)
diff --git a/observability/gatewayobs/gen_reporter_noop.go b/observability/gatewayobs/gen_reporter_noop.go
index 7722f116d..241f1ebb6 100644
--- a/observability/gatewayobs/gen_reporter_noop.go
+++ b/observability/gatewayobs/gen_reporter_noop.go
@@ -164,6 +164,15 @@ func (r *noopModelReporter) ReportInferenceCompletionTokens(v uint64)
 func (r *noopModelReporter) ReportInferenceTotalTokens(v uint64)                  {}
 func (r *noopModelReporter) ReportInferenceCacheCreateTokens(v uint64)            {}
 func (r *noopModelReporter) ReportInferenceCacheReadTokens(v uint64)              {}
+func (r *noopModelReporter) ReportRealtimeDurationSeconds(v uint32)               {}
+func (r *noopModelReporter) ReportRealtimeInputTextTokens(v uint64)               {}
+func (r *noopModelReporter) ReportRealtimeInputAudioTokens(v uint64)              {}
+func (r *noopModelReporter) ReportRealtimeInputImageTokens(v uint64)              {}
+func (r *noopModelReporter) ReportRealtimeInputVideoTokens(v uint64)              {}
+func (r *noopModelReporter) ReportRealtimeOutputTextTokens(v uint64)              {}
+func (r *noopModelReporter) ReportRealtimeOutputAudioTokens(v uint64)             {}
+func (r *noopModelReporter) ReportRealtimeCachedTextTokens(v uint64)              {}
+func (r *noopModelReporter) ReportRealtimeCachedAudioTokens(v uint64)             {}
 func (r *noopModelReporter) ReportSttDuration(v uint32)                           {}
 func (r *noopModelReporter) ReportTtsChars(v uint32)                              {}
 func (r *noopModelReporter) ReportBargeInRequests(v uint64)                       {}
@@ -184,6 +193,15 @@ func (t *noopModelTx) ReportInferenceCompletionTokens(v uint64)             {}
 func (t *noopModelTx) ReportInferenceTotalTokens(v uint64)                  {}
 func (t *noopModelTx) ReportInferenceCacheCreateTokens(v uint64)            {}
 func (t *noopModelTx) ReportInferenceCacheReadTokens(v uint64)              {}
+func (t *noopModelTx) ReportRealtimeDurationSeconds(v uint32)               {}
+func (t *noopModelTx) ReportRealtimeInputTextTokens(v uint64)               {}
+func (t *noopModelTx) ReportRealtimeInputAudioTokens(v uint64)              {}
+func (t *noopModelTx) ReportRealtimeInputImageTokens(v uint64)              {}
+func (t *noopModelTx) ReportRealtimeInputVideoTokens(v uint64)              {}
+func (t *noopModelTx) ReportRealtimeOutputTextTokens(v uint64)              {}
+func (t *noopModelTx) ReportRealtimeOutputAudioTokens(v uint64)             {}
+func (t *noopModelTx) ReportRealtimeCachedTextTokens(v uint64)              {}
+func (t *noopModelTx) ReportRealtimeCachedAudioTokens(v uint64)             {}
 func (t *noopModelTx) ReportSttDuration(v uint32)                           {}
 func (t *noopModelTx) ReportTtsChars(v uint32)                              {}
 func (t *noopModelTx) ReportBargeInRequests(v uint64)                       {}