diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index a67037a34..4032c0769 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "5.23.0"
+  ".": "5.23.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6738b41f7..aa043b64f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,24 @@
 # Changelog
 
+## 5.23.1 (2025-09-26)
+
+Full Changelog: [v5.23.0...v5.23.1](https://github.com/openai/openai-node/compare/v5.23.0...v5.23.1)
+
+### Bug Fixes
+
+* **realtime:** remove beta header from GA classes ([a5e9e70](https://github.com/openai/openai-node/commit/a5e9e70af8691f2850ad7ccfec966e5fb0d5b56d))
+
+
+### Performance Improvements
+
+* faster formatting ([d56f309](https://github.com/openai/openai-node/commit/d56f309f359f7f4d87c95bfaaffdc463312850e4))
+
+
+### Chores
+
+* **internal:** fix incremental formatting in some cases ([166d28f](https://github.com/openai/openai-node/commit/166d28ff34edb6b1c3ef310bc825952dcb30ba4b))
+* **internal:** remove deprecated `compilerOptions.baseUrl` from tsconfig.json ([dfab408](https://github.com/openai/openai-node/commit/dfab40857547b272cdad4309baf84e43a07775ed))
+
 ## 5.23.0 (2025-09-23)
 
 Full Changelog: [v5.22.1...v5.23.0](https://github.com/openai/openai-node/compare/v5.22.1...v5.23.0)
diff --git a/jsr.json b/jsr.json
index e78453945..3c8b7db42 100644
--- a/jsr.json
+++ b/jsr.json
@@ -1,6 +1,6 @@
 {
   "name": "@openai/openai",
-  "version": "5.23.0",
+  "version": "5.23.1",
   "exports": {
     ".": "./index.ts",
     "./helpers/zod": "./helpers/zod.ts",
diff --git a/package.json b/package.json
index 00100a47d..64e7fdf2b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "openai",
-  "version": "5.23.0",
+  "version": "5.23.1",
   "description": "The official TypeScript library for the OpenAI API",
   "author": "OpenAI <support@openai.com>",
   "types": "dist/index.d.ts",
diff --git a/scripts/fast-format b/scripts/fast-format
new file mode 100755
index 000000000..53721ac07
--- /dev/null
+++ b/scripts/fast-format
@@ -0,0 +1,40 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+echo "Script started with $# arguments"
+echo "Arguments: $*"
+echo "Script location: $(dirname "$0")"
+
+cd "$(dirname "$0")/.."
+echo "Changed to directory: $(pwd)"
+
+if [ $# -eq 0 ]; then
+    echo "Usage: $0 <file-with-paths> [additional-formatter-args...]"
+    echo "The file should contain one file path per line"
+    exit 1
+fi
+
+FILE_LIST="$1"
+
+echo "Looking for file: $FILE_LIST"
+
+if [ ! -f "$FILE_LIST" ]; then
+    echo "Error: File '$FILE_LIST' not found"
+    exit 1
+fi
+
+echo "==> Running eslint --fix"
+ESLINT_FILES="$(grep '\.ts$' "$FILE_LIST" || true)"
+if ! [ -z "$ESLINT_FILES" ]; then
+   echo "$ESLINT_FILES" | xargs ./node_modules/.bin/eslint --cache --fix
+fi
+
+echo "==> Running prettier --write"
+# format things eslint didn't
+PRETTIER_FILES="$(grep '\.\(js\|json\)$' "$FILE_LIST" || true)"
+if ! [ -z "$PRETTIER_FILES" ]; then
+   echo "$PRETTIER_FILES" | xargs ./node_modules/.bin/prettier \
+      --write --cache --cache-strategy metadata --no-error-on-unmatched-pattern \
+      '!**/dist' '!**/*.ts' '!**/*.mts' '!**/*.cts' '!**/*.js' '!**/*.mjs' '!**/*.cjs'
+fi
diff --git a/src/realtime/websocket.ts b/src/realtime/websocket.ts
index 70a60af41..536266192 100644
--- a/src/realtime/websocket.ts
+++ b/src/realtime/websocket.ts
@@ -67,7 +67,6 @@ export class OpenAIRealtimeWebSocket extends OpenAIRealtimeEmitter {
     this.socket = new WebSocket(this.url.toString(), [
       'realtime',
       ...(isAzure(client) ? [] : [`openai-insecure-api-key.${client.apiKey}`]),
-      'openai-beta.realtime-v1',
     ]);
 
     this.socket.addEventListener('message', (websocketEvent: MessageEvent) => {
diff --git a/src/realtime/ws.ts b/src/realtime/ws.ts
index a407e8b43..cf79c185d 100644
--- a/src/realtime/ws.ts
+++ b/src/realtime/ws.ts
@@ -33,7 +33,6 @@ export class OpenAIRealtimeWS extends OpenAIRealtimeEmitter {
       headers: {
         ...props.options?.headers,
         ...(isAzure(client) && !props.__resolvedApiKey ? {} : { Authorization: `Bearer ${client.apiKey}` }),
-        'OpenAI-Beta': 'realtime=v1',
       },
     });
 
diff --git a/src/version.ts b/src/version.ts
index 2196b69b7..6b53ef2f1 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '5.23.0'; // x-release-please-version
+export const VERSION = '5.23.1'; // x-release-please-version
diff --git a/tsconfig.build.json b/tsconfig.build.json
index 57578eb44..d8320121b 100644
--- a/tsconfig.build.json
+++ b/tsconfig.build.json
@@ -5,8 +5,8 @@
   "compilerOptions": {
     "rootDir": "./dist/src",
     "paths": {
-      "openai/*": ["dist/src/*"],
-      "openai": ["dist/src/index.ts"]
+      "openai/*": ["./dist/src/*"],
+      "openai": ["./dist/src/index.ts"]
     },
     "noEmit": false,
     "declaration": true,
diff --git a/tsconfig.json b/tsconfig.json
index 2e1c8e421..5b2da61a7 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -7,10 +7,9 @@
     "module": "commonjs",
     "moduleResolution": "node",
     "esModuleInterop": true,
-    "baseUrl": "./",
     "paths": {
-      "openai/*": ["src/*"],
-      "openai": ["src/index.ts"]
+      "openai/*": ["./src/*"],
+      "openai": ["./src/index.ts"]
     },
     "noEmit": true,