diff --git a/lib/subscribers/openai/chat.js b/lib/subscribers/openai/chat.js
index da0aec0d24..662139635f 100644
--- a/lib/subscribers/openai/chat.js
+++ b/lib/subscribers/openai/chat.js
@@ -23,6 +23,7 @@ const MIN_STREAM_VERSION = '4.12.2'
 class OpenAIChatCompletions extends OpenAISubscriber {
   constructor({ agent, logger, channelName = 'nr_completionsCreate' }) {
     super({ agent, logger, channelName })
+    this.events = ['asyncEnd', 'end']
   }
 
   handler(data, ctx) {
@@ -42,6 +43,32 @@ class OpenAIChatCompletions extends OpenAISubscriber {
     return newCtx
   }
 
+  /**
+   * Temporary fix as `tracePromise` wraps the promise in a native one.
+   * We are now wrapping `openai.chat.completions.parse` in a traceSync call
+   * and then wrapping the promise here so it returns the custom promise.
+   * OpenAI has a [custom promise](https://github.com/openai/openai-node/blob/master/src/core/api-promise.ts) that crashes applications using `openai.chat.completions.parse`
+   * see: https://github.com/newrelic/node-newrelic/issues/3379
+   * see: https://github.com/nodejs/node/issues/59936
+   * @param data
+   */
+  end(data) {
+    const promise = data?.result
+    if (!promise.then) {
+      return promise
+    }
+
+    return promise.then((result) => {
+      data.result = result
+      this.channel.asyncEnd.publish(data)
+      return result
+    }).catch((err) => {
+      data.error = err
+      this.channel.asyncEnd.publish(data)
+      return err
+    })
+  }
+
   asyncEnd(data) {
     const ctx = this.agent.tracer.getContext()
     if (!ctx?.segment || !ctx?.transaction) {
diff --git a/lib/subscribers/openai/config.js b/lib/subscribers/openai/config.js
index c6cfd9fd27..a5bf23383b 100644
--- a/lib/subscribers/openai/config.js
+++ b/lib/subscribers/openai/config.js
@@ -16,7 +16,7 @@ module.exports = {
           functionQuery: {
             className: 'Completions',
             methodName: 'create',
-            kind: 'Async'
+            kind: 'Sync'
           }
         },
         {
@@ -25,7 +25,7 @@ module.exports = {
           functionQuery: {
             className: 'Completions',
             methodName: 'create',
-            kind: 'Async'
+            kind: 'Sync'
           }
         }
       ]
@@ -39,7 +39,7 @@ module.exports = {
           functionQuery: {
             className: 'Responses',
             methodName: 'create',
-            kind: 'Async'
+            kind: 'Sync'
           }
         }
       ]
diff --git a/test/versioned/openai/chat-completions-res-api.test.js b/test/versioned/openai/chat-completions-res-api.test.js
index 903aa1d81c..9875f915e8 100644
--- a/test/versioned/openai/chat-completions-res-api.test.js
+++ b/test/versioned/openai/chat-completions-res-api.test.js
@@ -9,6 +9,7 @@ const test = require('node:test')
 const assert = require('node:assert')
 const fs = require('node:fs')
 const path = require('node:path')
+const { tspl } = require('@matteo.collina/tspl')
 
 const { removeModules } = require('../../lib/cache-buster')
 const { assertSegments, assertSpanKind, match } = require('../../lib/custom-assertions')
@@ -55,6 +56,26 @@ test('responses.create', async (t) => {
     removeModules('openai')
   })
 
+  // Note: I cannot figure out how to get the mock server to do the right thing,
+  // but this was failing with a different issue before
+  await t.test('should not crash when you call `responses.parse`', async (t) => {
+    const plan = tspl(t, { plan: 1 })
+    const { client, agent } = t.nr
+    await helper.runInTransaction(agent, async (tx) => {
+      try {
+        await client.responses.parse({
+          input: [{ role: 'user', content: 'You are a mathematician.' }]
+        })
+      } catch (err) {
+        plan.match(err.message, /Body is unusable|body used already for/)
+      } finally {
+        tx.end()
+      }
+    })
+
+    await plan.completed
+  })
+
   await t.test('should create span on successful chat completion create', (t, end) => {
     const { client, agent, host, port } = t.nr
     helper.runInTransaction(agent, async (tx) => {
diff --git a/test/versioned/openai/chat-completions.test.js b/test/versioned/openai/chat-completions.test.js
index 4180b44184..402a1fdc3a 100644
--- a/test/versioned/openai/chat-completions.test.js
+++ b/test/versioned/openai/chat-completions.test.js
@@ -28,6 +28,7 @@ const TRACKING_METRIC = `Supportability/Nodejs/ML/OpenAI/${pkgVersion}`
 
 const responses = require('./mock-chat-api-responses')
 const { assertChatCompletionMessages, assertChatCompletionSummary } = require('./common-chat-api')
+const { tspl } = require('@matteo.collina/tspl')
 
 test('chat.completions.create', async (t) => {
   t.beforeEach(async (ctx) => {
@@ -57,13 +58,35 @@ test('chat.completions.create', async (t) => {
     removeModules('openai')
   })
 
+  // Note: I cannot figure out how to get the mock server to do the right thing,
+  // but this was failing with a different issue before
+  await t.test('should not crash when you call `completions.parse`', { skip: semver.lt(pkgVersion, '5.0.0') }, async (t) => {
+    const plan = tspl(t, { plan: 1 })
+    const { client, agent } = t.nr
+    await helper.runInTransaction(agent, async (tx) => {
+      try {
+        await client.chat.completions.parse({
+          messages: [{ role: 'user', content: 'You are a mathematician.' }]
+        })
+      } catch (err) {
+        plan.match(err.message, /.*Body is unusable.*/)
+      } finally {
+        tx.end()
+      }
+    })
+
+    await plan.completed
+  })
+
   await t.test('should create span on successful chat completion create', (t, end) => {
     const { client, agent, host, port } = t.nr
     helper.runInTransaction(agent, async (tx) => {
-      const results = await client.chat.completions.create({
+      const prom = client.chat.completions.create({
         messages: [{ role: 'user', content: 'You are a mathematician.' }]
       })
 
+      const results = await prom
+
       assert.equal(results.headers, undefined, 'should remove response headers from user result')
       assert.equal(results.choices[0].message.content, '1 plus 2 is 3.')
 
@@ -138,7 +161,7 @@ test('chat.completions.create', async (t) => {
   })
 
   if (semver.gte(pkgVersion, '4.12.2')) {
-    await t.test('should create span on successful chat completion stream create', (t, end) => {
+    await t.test('should create span on successful chat completion stream create', { skip: semver.lt(pkgVersion, '4.12.2') }, (t, end) => {
       const { client, agent, host, port } = t.nr
       helper.runInTransaction(agent, async (tx) => {
         const content = 'Streamed response'