diff --git a/dev-packages/node-integration-tests/suites/tracing/langchain/test.ts b/dev-packages/node-integration-tests/suites/tracing/langchain/test.ts
index e1ead1a89fe2..513537ad9a26 100644
--- a/dev-packages/node-integration-tests/suites/tracing/langchain/test.ts
+++ b/dev-packages/node-integration-tests/suites/tracing/langchain/test.ts
@@ -33,7 +33,6 @@ describe('LangChain integration', () => {
   createEsmAndCjsTests(__dirname, 'scenario.mjs', 'instrument.mjs', (createRunner, test) => {
     test('creates langchain related spans with genAI recording disabled', async () => {
       await createRunner()
-        .ignore('event')
         .expect({ transaction: { transaction: 'main' } })
         .expect({
           span: container => {
@@ -90,7 +89,6 @@ describe('LangChain integration', () => {
 
     test('does not create duplicate spans from double module patching', async () => {
       await createRunner()
-        .ignore('event')
         .expect({ transaction: { transaction: 'main' } })
         .expect({
           span: container => {
@@ -111,7 +109,6 @@ describe('LangChain integration', () => {
   createEsmAndCjsTests(__dirname, 'scenario.mjs', 'instrument-with-pii.mjs', (createRunner, test) => {
     test('creates langchain related spans with genAI recording enabled', async () => {
       await createRunner()
-        .ignore('event')
         .expect({ transaction: { transaction: 'main' } })
         .expect({
           span: container => {
@@ -170,7 +167,6 @@ describe('LangChain integration', () => {
   createEsmAndCjsTests(__dirname, 'scenario-tools.mjs', 'instrument.mjs', (createRunner, test) => {
     test('creates langchain spans with tool calls', async () => {
       await createRunner()
-        .ignore('event')
         .expect({ transaction: { transaction: 'main' } })
         .expect({
           span: container => {
@@ -201,7 +197,6 @@ describe('LangChain integration', () => {
   createEsmTests(__dirname, 'scenario-openai-before-langchain.mjs', 'instrument.mjs', (createRunner, test) => {
     test('demonstrates timing issue with duplicate spans', async () => {
       await createRunner()
-        .ignore('event')
         .expect({ transaction: { transaction: 'main' } })
         .expect({
           span: container => {
@@ -236,7 +231,6 @@ describe('LangChain integration', () => {
     (createRunner, test) => {
       test('extracts system instructions from messages', async () => {
         await createRunner()
-          .ignore('event')
           .expect({ transaction: { transaction: 'main' } })
           .expect({
             span: container => {
@@ -260,7 +254,6 @@ describe('LangChain integration', () => {
   createEsmAndCjsTests(__dirname, 'scenario-chain.mjs', 'instrument.mjs', (createRunner, test) => {
     test('uses runName for chain spans instead of unknown_chain', async () => {
       await createRunner()
-        .ignore('event')
         .expect({ transaction: { transaction: 'main' } })
         .expect({
           span: container => {
@@ -306,7 +299,6 @@ describe('LangChain integration', () => {
   createEsmAndCjsTests(__dirname, 'scenario-embeddings.mjs', 'instrument.mjs', (createRunner, test) => {
     test('creates embedding spans with genAI recording disabled', async () => {
       await createRunner()
-        .ignore('event')
         .expect({ transaction: { transaction: 'main' } })
         .expect({
           span: container => {
@@ -343,7 +335,6 @@ describe('LangChain integration', () => {
 
     test('does not create duplicate embedding spans from double module patching', async () => {
       await createRunner()
-        .ignore('event')
         .expect({ transaction: { transaction: 'main' } })
         .expect({
           span: container => {
@@ -362,7 +353,6 @@ describe('LangChain integration', () => {
   createEsmAndCjsTests(__dirname, 'scenario-embeddings.mjs', 'instrument-with-pii.mjs', (createRunner, test) => {
     test('creates embedding spans with genAI recording enabled', async () => {
       await createRunner()
-        .ignore('event')
         .expect({ transaction: { transaction: 'main' } })
         .expect({
           span: container => {
@@ -403,7 +393,6 @@ describe('LangChain integration', () => {
   createEsmAndCjsTests(__dirname, 'scenario.mjs', 'instrument-span-streaming.mjs', (createRunner, test) => {
     test('creates langchain related spans with span streaming enabled', async () => {
       await createRunner()
-        .ignore('event')
         .expect({
           span: container => {
             const sonnetSpan = container.items.find(span => span.name === 'chat claude-3-5-sonnet-20241022');
diff --git a/packages/server-utils/src/ai/langchain/embeddings.ts b/packages/server-utils/src/ai/langchain/embeddings.ts
index 23ba6fe07f69..cf052e76a684 100644
--- a/packages/server-utils/src/ai/langchain/embeddings.ts
+++ b/packages/server-utils/src/ai/langchain/embeddings.ts
@@ -1,10 +1,4 @@
-import {
-  captureException,
-  SEMANTIC_ATTRIBUTE_SENTRY_OP,
-  SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN,
-  startSpan,
-  stringify,
-} from '@sentry/core';
+import { SEMANTIC_ATTRIBUTE_SENTRY_OP, SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN, startSpan, stringify } from '@sentry/core';
 import type { SpanAttributeValue } from '@sentry/core';
 import {
   GEN_AI_EMBEDDINGS_INPUT,
@@ -99,12 +93,9 @@ export function instrumentEmbeddingMethod(
   return new Proxy(originalMethod, {
     apply(target, thisArg, args: unknown[]): Promise<unknown> {
       return startSpan(_INTERNAL_getLangChainEmbeddingsSpanOptions(thisArg, args[0], options), () => {
-        return Reflect.apply(target, thisArg, args).then(undefined, error => {
-          captureException(error, {
-            mechanism: { handled: false, type: 'auto.ai.langchain' },
-          });
-          throw error;
-        });
+        // On rejection `startSpan` marks the span failed and rethrows to the caller, so we don't
+        // record the error ourselves.
+        return Reflect.apply(target, thisArg, args);
       });
     },
   });
diff --git a/packages/server-utils/src/ai/langchain/index.ts b/packages/server-utils/src/ai/langchain/index.ts
index 1f6ba8754f79..f7d0de9d4b61 100644
--- a/packages/server-utils/src/ai/langchain/index.ts
+++ b/packages/server-utils/src/ai/langchain/index.ts
@@ -1,6 +1,5 @@
 /* eslint-disable max-lines */
 import {
-  captureException,
   SEMANTIC_ATTRIBUTE_SENTRY_OP,
   SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN,
   SPAN_STATUS_ERROR,
@@ -184,19 +183,14 @@ export function createLangChainCallbackHandler(options: LangChainOptions = {}):
     },
 
     // LLM Error Handler - note: handleLLMError with capital LLM
-    handleLLMError(error: Error, runId: string) {
+    handleLLMError(_error: Error, runId: string) {
+      // The error is surfaced to the caller (invoke() rejects), so we only mark the span failed and
+      // do not record it.
       const span = spanMap.get(runId);
       if (span?.isRecording()) {
         span.setStatus({ code: SPAN_STATUS_ERROR, message: 'internal_error' });
         exitSpan(runId);
       }
-
-      captureException(error, {
-        mechanism: {
-          handled: false,
-          type: `${LANGCHAIN_ORIGIN}.llm_error_handler`,
-        },
-      });
     },
 
     // Chain Start Handler
@@ -258,19 +252,14 @@ export function createLangChainCallbackHandler(options: LangChainOptions = {}):
     },
 
     // Chain Error Handler
-    handleChainError(error: Error, runId: string) {
+    handleChainError(_error: Error, runId: string) {
+      // The error is surfaced to the caller (invoke() rejects), so we only mark the span failed and
+      // do not record it.
       const span = spanMap.get(runId);
       if (span?.isRecording()) {
         span.setStatus({ code: SPAN_STATUS_ERROR, message: 'internal_error' });
         exitSpan(runId);
       }
-
-      captureException(error, {
-        mechanism: {
-          handled: false,
-          type: `${LANGCHAIN_ORIGIN}.chain_error_handler`,
-        },
-      });
     },
 
     // Tool Start Handler
@@ -336,19 +325,14 @@ export function createLangChainCallbackHandler(options: LangChainOptions = {}):
     },
 
     // Tool Error Handler
-    handleToolError(error: Error, runId: string) {
+    handleToolError(_error: Error, runId: string) {
+      // The error is surfaced to the caller (invoke() rejects), so we only mark the span failed and
+      // do not record it.
       const span = spanMap.get(runId);
       if (span?.isRecording()) {
         span.setStatus({ code: SPAN_STATUS_ERROR, message: 'internal_error' });
         exitSpan(runId);
       }
-
-      captureException(error, {
-        mechanism: {
-          handled: false,
-          type: `${LANGCHAIN_ORIGIN}.tool_error_handler`,
-        },
-      });
     },
 
     // LangChain BaseCallbackHandler required methods