diff --git a/packages/node-core/package.json b/packages/node-core/package.json
index ae247548614e..7c32730522f6 100644
--- a/packages/node-core/package.json
+++ b/packages/node-core/package.json
@@ -80,7 +80,6 @@
     "@opentelemetry/api": "^1.9.0",
     "@opentelemetry/core": "^1.30.1 || ^2.1.0",
     "@opentelemetry/instrumentation": ">=0.57.1 <1",
-    "@opentelemetry/resources": "^1.30.1 || ^2.1.0",
     "@opentelemetry/sdk-trace-base": "^1.30.1 || ^2.1.0",
     "@opentelemetry/semantic-conventions": "^1.39.0",
     "@opentelemetry/exporter-trace-otlp-http": ">=0.57.0 <1"
@@ -95,9 +94,6 @@
     "@opentelemetry/instrumentation": {
       "optional": true
     },
-    "@opentelemetry/resources": {
-      "optional": true
-    },
     "@opentelemetry/sdk-trace-base": {
       "optional": true
     },
@@ -118,7 +114,6 @@
     "@opentelemetry/core": "^2.6.1",
     "@opentelemetry/exporter-trace-otlp-http": "^0.214.0",
     "@opentelemetry/instrumentation": "^0.214.0",
-    "@opentelemetry/resources": "^2.6.1",
     "@opentelemetry/sdk-trace-base": "^2.6.1",
     "@opentelemetry/semantic-conventions": "^1.40.0",
     "@types/node": "^18.19.1"
diff --git a/packages/node-core/test/helpers/mockSdkInit.ts b/packages/node-core/test/helpers/mockSdkInit.ts
index 556a33091d8e..8d9f66b5329c 100644
--- a/packages/node-core/test/helpers/mockSdkInit.ts
+++ b/packages/node-core/test/helpers/mockSdkInit.ts
@@ -1,11 +1,5 @@
 import { context, propagation, ProxyTracerProvider, trace } from '@opentelemetry/api';
-import { defaultResource, resourceFromAttributes } from '@opentelemetry/resources';
 import { BasicTracerProvider, type SpanProcessor } from '@opentelemetry/sdk-trace-base';
-import {
-  ATTR_SERVICE_NAME,
-  ATTR_SERVICE_VERSION,
-  SEMRESATTRS_SERVICE_NAMESPACE,
-} from '@opentelemetry/semantic-conventions';
 import {
   createTransport,
   debug,
@@ -14,9 +8,8 @@ import {
   getGlobalScope,
   getIsolationScope,
   resolvedSyncPromise,
-  SDK_VERSION,
 } from '@sentry/core';
-import { SentryPropagator, SentrySampler, SentrySpanProcessor } from '@sentry/opentelemetry';
+import { getSentryResource, SentryPropagator, SentrySampler, SentrySpanProcessor } from '@sentry/opentelemetry';
 import type { NodeClient } from '../../src';
 import { SentryContextManager, validateOpenTelemetrySetup } from '../../src';
 import { init } from '../../src/sdk';
@@ -64,14 +57,7 @@ export function setupOtel(client: NodeClient): BasicTracerProvider | undefined {
   // Create and configure TracerProvider with same config as Node SDK
   const provider = new BasicTracerProvider({
     sampler: new SentrySampler(client),
-    resource: defaultResource().merge(
-      resourceFromAttributes({
-        [ATTR_SERVICE_NAME]: 'node',
-        // eslint-disable-next-line deprecation/deprecation
-        [SEMRESATTRS_SERVICE_NAMESPACE]: 'sentry',
-        [ATTR_SERVICE_VERSION]: SDK_VERSION,
-      }),
-    ),
+    resource: getSentryResource('node'),
     forceFlushTimeoutMillis: 500,
     spanProcessors: [
       new SentrySpanProcessor({
diff --git a/packages/node/package.json b/packages/node/package.json
index 7d1d17bfe4a8..4e4ac224639f 100644
--- a/packages/node/package.json
+++ b/packages/node/package.json
@@ -89,7 +89,6 @@
     "@opentelemetry/instrumentation-redis": "0.62.0",
     "@opentelemetry/instrumentation-tedious": "0.33.0",
     "@opentelemetry/instrumentation-undici": "0.24.0",
-    "@opentelemetry/resources": "^2.6.1",
     "@opentelemetry/sdk-trace-base": "^2.6.1",
     "@opentelemetry/semantic-conventions": "^1.40.0",
     "@prisma/instrumentation": "7.6.0",
diff --git a/packages/node/src/sdk/initOtel.ts b/packages/node/src/sdk/initOtel.ts
index a0f1951c376b..2554b98c76f7 100644
--- a/packages/node/src/sdk/initOtel.ts
+++ b/packages/node/src/sdk/initOtel.ts
@@ -1,13 +1,7 @@
 import { context, propagation, trace } from '@opentelemetry/api';
-import { defaultResource, resourceFromAttributes } from '@opentelemetry/resources';
 import type { SpanProcessor } from '@opentelemetry/sdk-trace-base';
 import { BasicTracerProvider } from '@opentelemetry/sdk-trace-base';
-import {
-  ATTR_SERVICE_NAME,
-  ATTR_SERVICE_VERSION,
-  SEMRESATTRS_SERVICE_NAMESPACE,
-} from '@opentelemetry/semantic-conventions';
-import { debug as coreDebug, SDK_VERSION } from '@sentry/core';
+import { debug as coreDebug } from '@sentry/core';
 import {
   initializeEsmLoader,
   type NodeClient,
@@ -16,6 +10,7 @@ import {
 } from '@sentry/node-core';
 import {
   type AsyncLocalStorageLookup,
+  getSentryResource,
   SentryPropagator,
   SentrySampler,
   SentrySpanProcessor,
@@ -95,14 +90,7 @@ export function setupOtel(
   // Create and configure NodeTracerProvider
   const provider = new BasicTracerProvider({
     sampler: new SentrySampler(client),
-    resource: defaultResource().merge(
-      resourceFromAttributes({
-        [ATTR_SERVICE_NAME]: 'node',
-        // eslint-disable-next-line deprecation/deprecation
-        [SEMRESATTRS_SERVICE_NAMESPACE]: 'sentry',
-        [ATTR_SERVICE_VERSION]: SDK_VERSION,
-      }),
-    ),
+    resource: getSentryResource('node'),
     forceFlushTimeoutMillis: 500,
     spanProcessors: [
       new SentrySpanProcessor({
diff --git a/packages/opentelemetry/src/index.ts b/packages/opentelemetry/src/index.ts
index c5fe1d3376d7..a49597f67fdf 100644
--- a/packages/opentelemetry/src/index.ts
+++ b/packages/opentelemetry/src/index.ts
@@ -49,6 +49,8 @@ export { SentrySampler, wrapSamplingDecision } from './sampler';
 
 export { openTelemetrySetupCheck } from './utils/setupCheck';
 
+export { getSentryResource } from './resource';
+
 export { withStreamedSpan } from '@sentry/core';
 
 // Legacy
diff --git a/packages/opentelemetry/src/resource.ts b/packages/opentelemetry/src/resource.ts
new file mode 100644
index 000000000000..9c1f95a7179c
--- /dev/null
+++ b/packages/opentelemetry/src/resource.ts
@@ -0,0 +1,59 @@
+import type { Attributes, AttributeValue } from '@opentelemetry/api';
+import { SDK_INFO } from '@opentelemetry/core';
+import {
+  ATTR_SERVICE_NAME,
+  ATTR_SERVICE_VERSION,
+  ATTR_TELEMETRY_SDK_LANGUAGE,
+  ATTR_TELEMETRY_SDK_NAME,
+  ATTR_TELEMETRY_SDK_VERSION,
+  SEMRESATTRS_SERVICE_NAMESPACE,
+} from '@opentelemetry/semantic-conventions';
+import { SDK_VERSION } from '@sentry/core';
+
+type RawResourceAttribute = [string, AttributeValue | undefined];
+
+/**
+ * Minimal Resource implementation that satisfies the OpenTelemetry Resource interface
+ * used by BasicTracerProvider, without depending on `@opentelemetry/resources`.
+ */
+class SentryResource {
+  private _attributes: Attributes;
+
+  public constructor(attributes: Attributes) {
+    this._attributes = attributes;
+  }
+
+  public get attributes(): Attributes {
+    return this._attributes;
+  }
+
+  public merge(other: SentryResource | null): SentryResource {
+    if (!other) {
+      return this;
+    }
+    return new SentryResource({ ...this._attributes, ...other.attributes });
+  }
+
+  public getRawAttributes(): RawResourceAttribute[] {
+    return Object.entries(this._attributes);
+  }
+}
+
+/**
+ * Returns a Resource for use in Sentry's OpenTelemetry TracerProvider setup.
+ *
+ * Combines the default OTel SDK telemetry attributes with Sentry-specific
+ * service attributes, equivalent to what was previously done via:
+ * `defaultResource().merge(resourceFromAttributes({ ... }))`
+ */
+export function getSentryResource(serviceName: string): SentryResource {
+  return new SentryResource({
+    [ATTR_SERVICE_NAME]: serviceName,
+    // eslint-disable-next-line deprecation/deprecation
+    [SEMRESATTRS_SERVICE_NAMESPACE]: 'sentry',
+    [ATTR_SERVICE_VERSION]: SDK_VERSION,
+    [ATTR_TELEMETRY_SDK_LANGUAGE]: SDK_INFO[ATTR_TELEMETRY_SDK_LANGUAGE],
+    [ATTR_TELEMETRY_SDK_NAME]: SDK_INFO[ATTR_TELEMETRY_SDK_NAME],
+    [ATTR_TELEMETRY_SDK_VERSION]: SDK_INFO[ATTR_TELEMETRY_SDK_VERSION],
+  });
+}
diff --git a/packages/opentelemetry/test/helpers/initOtel.ts b/packages/opentelemetry/test/helpers/initOtel.ts
index f3b176f13b10..a080679c1e78 100644
--- a/packages/opentelemetry/test/helpers/initOtel.ts
+++ b/packages/opentelemetry/test/helpers/initOtel.ts
@@ -1,15 +1,10 @@
 import { context, diag, DiagLogLevel, propagation, trace } from '@opentelemetry/api';
-import { defaultResource, resourceFromAttributes } from '@opentelemetry/resources';
 import { BasicTracerProvider } from '@opentelemetry/sdk-trace-base';
-import {
-  ATTR_SERVICE_NAME,
-  ATTR_SERVICE_VERSION,
-  SEMRESATTRS_SERVICE_NAMESPACE,
-} from '@opentelemetry/semantic-conventions';
-import { debug, getClient, SDK_VERSION } from '@sentry/core';
+import { debug, getClient } from '@sentry/core';
 import { SentryAsyncLocalStorageContextManager } from '../../src/asyncLocalStorageContextManager';
 import { DEBUG_BUILD } from '../../src/debug-build';
 import { SentryPropagator } from '../../src/propagator';
+import { getSentryResource } from '../../src/resource';
 import { SentrySampler } from '../../src/sampler';
 import { setupEventContextTrace } from '../../src/setupEventContextTrace';
 import { SentrySpanProcessor } from '../../src/spanProcessor';
@@ -59,14 +54,7 @@ export function setupOtel(client: TestClientInterface): [BasicTracerProvider, Se
   // Create and configure NodeTracerProvider
   const provider = new BasicTracerProvider({
     sampler: new SentrySampler(client),
-    resource: defaultResource().merge(
-      resourceFromAttributes({
-        [ATTR_SERVICE_NAME]: 'opentelemetry-test',
-        // eslint-disable-next-line deprecation/deprecation
-        [SEMRESATTRS_SERVICE_NAMESPACE]: 'sentry',
-        [ATTR_SERVICE_VERSION]: SDK_VERSION,
-      }),
-    ),
+    resource: getSentryResource('opentelemetry-test'),
     forceFlushTimeoutMillis: 500,
     spanProcessors: [spanProcessor],
   });
diff --git a/packages/vercel-edge/src/sdk.ts b/packages/vercel-edge/src/sdk.ts
index e35aa770c880..d0666a6f66e1 100644
--- a/packages/vercel-edge/src/sdk.ts
+++ b/packages/vercel-edge/src/sdk.ts
@@ -1,11 +1,5 @@
 import { context, diag, DiagLogLevel, propagation, trace } from '@opentelemetry/api';
-import { defaultResource, resourceFromAttributes } from '@opentelemetry/resources';
 import { BasicTracerProvider } from '@opentelemetry/sdk-trace-base';
-import {
-  ATTR_SERVICE_NAME,
-  ATTR_SERVICE_VERSION,
-  SEMRESATTRS_SERVICE_NAMESPACE,
-} from '@opentelemetry/semantic-conventions';
 import type { Client, Integration, Options } from '@sentry/core';
 import {
   consoleIntegration,
@@ -22,12 +16,12 @@ import {
   linkedErrorsIntegration,
   nodeStackLineParser,
   requestDataIntegration,
-  SDK_VERSION,
   spanStreamingIntegration,
   stackParserFromStackParserOptions,
 } from '@sentry/core';
 import {
   enhanceDscWithOpenTelemetryRootSpanName,
+  getSentryResource,
   openTelemetrySetupCheck,
   SentryPropagator,
   SentrySampler,
@@ -166,14 +160,7 @@ export function setupOtel(client: VercelEdgeClient): void {
   // Create and configure NodeTracerProvider
   const provider = new BasicTracerProvider({
     sampler: new SentrySampler(client),
-    resource: defaultResource().merge(
-      resourceFromAttributes({
-        [ATTR_SERVICE_NAME]: 'edge',
-        // eslint-disable-next-line deprecation/deprecation
-        [SEMRESATTRS_SERVICE_NAMESPACE]: 'sentry',
-        [ATTR_SERVICE_VERSION]: SDK_VERSION,
-      }),
-    ),
+    resource: getSentryResource('edge'),
     forceFlushTimeoutMillis: 500,
     spanProcessors: [
       new SentrySpanProcessor({