diff --git a/api/cache/cacheConfig.js b/api/cache/cacheConfig.js
index 87c403bae..1ca3e902e 100644
--- a/api/cache/cacheConfig.js
+++ b/api/cache/cacheConfig.js
@@ -44,6 +44,14 @@ const cacheConfig = {
   REDIS_KEY_PREFIX: process.env[REDIS_KEY_PREFIX_VAR] || REDIS_KEY_PREFIX || '',
   REDIS_MAX_LISTENERS: math(process.env.REDIS_MAX_LISTENERS, 40),
   REDIS_PING_INTERVAL: math(process.env.REDIS_PING_INTERVAL, 0),
+  /** Max delay between reconnection attempts in ms */
+  REDIS_RETRY_MAX_DELAY: math(process.env.REDIS_RETRY_MAX_DELAY, 3000),
+  /** Max number of reconnection attempts (0 = infinite) */
+  REDIS_RETRY_MAX_ATTEMPTS: math(process.env.REDIS_RETRY_MAX_ATTEMPTS, 10),
+  /** Connection timeout in ms */
+  REDIS_CONNECT_TIMEOUT: math(process.env.REDIS_CONNECT_TIMEOUT, 10000),
+  /** Queue commands when disconnected */
+  REDIS_ENABLE_OFFLINE_QUEUE: isEnabled(process.env.REDIS_ENABLE_OFFLINE_QUEUE ?? 'true'),
 
   CI: isEnabled(process.env.CI),
   DEBUG_MEMORY_CACHE: isEnabled(process.env.DEBUG_MEMORY_CACHE),
diff --git a/api/cache/cacheFactory.js b/api/cache/cacheFactory.js
index b9739f4d3..bc361d661 100644
--- a/api/cache/cacheFactory.js
+++ b/api/cache/cacheFactory.js
@@ -1,12 +1,13 @@
 const KeyvRedis = require('@keyv/redis').default;
 const { Keyv } = require('keyv');
-const { cacheConfig } = require('./cacheConfig');
-const { keyvRedisClient, ioredisClient, GLOBAL_PREFIX_SEPARATOR } = require('./redisClients');
+const { RedisStore } = require('rate-limit-redis');
 const { Time } = require('librechat-data-provider');
+const { logger } = require('@librechat/data-schemas');
 const { RedisStore: ConnectRedis } = require('connect-redis');
 const MemoryStore = require('memorystore')(require('express-session'));
+const { keyvRedisClient, ioredisClient, GLOBAL_PREFIX_SEPARATOR } = require('./redisClients');
+const { cacheConfig } = require('./cacheConfig');
 const { violationFile } = require('./keyvFiles');
-const { RedisStore } = require('rate-limit-redis');
 
 /**
  * Creates a cache instance using Redis or a fallback store. Suitable for general caching needs.
@@ -20,11 +21,21 @@ const standardCache = (namespace, ttl = undefined, fallbackStore = undefined) =>
     cacheConfig.USE_REDIS &&
     !cacheConfig.FORCED_IN_MEMORY_CACHE_NAMESPACES?.includes(namespace)
   ) {
-    const keyvRedis = new KeyvRedis(keyvRedisClient);
-    const cache = new Keyv(keyvRedis, { namespace, ttl });
-    keyvRedis.namespace = cacheConfig.REDIS_KEY_PREFIX;
-    keyvRedis.keyPrefixSeparator = GLOBAL_PREFIX_SEPARATOR;
-    return cache;
+    try {
+      const keyvRedis = new KeyvRedis(keyvRedisClient);
+      const cache = new Keyv(keyvRedis, { namespace, ttl });
+      keyvRedis.namespace = cacheConfig.REDIS_KEY_PREFIX;
+      keyvRedis.keyPrefixSeparator = GLOBAL_PREFIX_SEPARATOR;
+
+      cache.on('error', (err) => {
+        logger.error(`Cache error in namespace ${namespace}:`, err);
+      });
+
+      return cache;
+    } catch (err) {
+      logger.error(`Failed to create Redis cache for namespace ${namespace}:`, err);
+      throw err;
+    }
   }
   if (fallbackStore) return new Keyv({ store: fallbackStore, namespace, ttl });
   return new Keyv({ namespace, ttl });
@@ -50,7 +61,13 @@ const violationCache = (namespace, ttl = undefined) => {
 const sessionCache = (namespace, ttl = undefined) => {
   namespace = namespace.endsWith(':') ? namespace : `${namespace}:`;
   if (!cacheConfig.USE_REDIS) return new MemoryStore({ ttl, checkPeriod: Time.ONE_DAY });
-  return new ConnectRedis({ client: ioredisClient, ttl, prefix: namespace });
+  const store = new ConnectRedis({ client: ioredisClient, ttl, prefix: namespace });
+  if (ioredisClient) {
+    ioredisClient.on('error', (err) => {
+      logger.error(`Session store Redis error for namespace ${namespace}:`, err);
+    });
+  }
+  return store;
 };
 
 /**
@@ -62,8 +79,30 @@ const limiterCache = (prefix) => {
   if (!prefix) throw new Error('prefix is required');
   if (!cacheConfig.USE_REDIS) return undefined;
   prefix = prefix.endsWith(':') ? prefix : `${prefix}:`;
-  return new RedisStore({ sendCommand, prefix });
+
+  try {
+    if (!ioredisClient) {
+      logger.warn(`Redis client not available for rate limiter with prefix ${prefix}`);
+      return undefined;
+    }
+
+    return new RedisStore({ sendCommand, prefix });
+  } catch (err) {
+    logger.error(`Failed to create Redis rate limiter for prefix ${prefix}:`, err);
+    return undefined;
+  }
+};
+
+const sendCommand = (...args) => {
+  if (!ioredisClient) {
+    logger.warn('Redis client not available for command execution');
+    return Promise.reject(new Error('Redis client not available'));
+  }
+
+  return ioredisClient.call(...args).catch((err) => {
+    logger.error('Redis command execution failed:', err);
+    throw err;
+  });
 };
-const sendCommand = (...args) => ioredisClient?.call(...args);
 
 module.exports = { standardCache, sessionCache, violationCache, limiterCache };
diff --git a/api/cache/cacheFactory.spec.js b/api/cache/cacheFactory.spec.js
index 76d01a915..ce364a4a3 100644
--- a/api/cache/cacheFactory.spec.js
+++ b/api/cache/cacheFactory.spec.js
@@ -6,13 +6,17 @@ const mockKeyvRedis = {
   keyPrefixSeparator: '',
 };
 
-const mockKeyv = jest.fn().mockReturnValue({ mock: 'keyv' });
+const mockKeyv = jest.fn().mockReturnValue({
+  mock: 'keyv',
+  on: jest.fn(),
+});
 const mockConnectRedis = jest.fn().mockReturnValue({ mock: 'connectRedis' });
 const mockMemoryStore = jest.fn().mockReturnValue({ mock: 'memoryStore' });
 const mockRedisStore = jest.fn().mockReturnValue({ mock: 'redisStore' });
 
 const mockIoredisClient = {
   call: jest.fn(),
+  on: jest.fn(),
 };
 
 const mockKeyvRedisClient = {};
@@ -53,6 +57,14 @@ jest.mock('rate-limit-redis', () => ({
   RedisStore: mockRedisStore,
 }));
 
+jest.mock('@librechat/data-schemas', () => ({
+  logger: {
+    error: jest.fn(),
+    warn: jest.fn(),
+    info: jest.fn(),
+  },
+}));
+
 // Import after mocking
 const { standardCache, sessionCache, violationCache, limiterCache } = require('./cacheFactory');
 const { cacheConfig } = require('./cacheConfig');
@@ -142,6 +154,28 @@ describe('cacheFactory', () => {
       expect(require('@keyv/redis').default).toHaveBeenCalledWith(mockKeyvRedisClient);
       expect(mockKeyv).toHaveBeenCalledWith(mockKeyvRedis, { namespace, ttl });
     });
+
+    it('should throw error when Redis cache creation fails', () => {
+      cacheConfig.USE_REDIS = true;
+      const namespace = 'test-namespace';
+      const ttl = 3600;
+      const testError = new Error('Redis connection failed');
+
+      const KeyvRedis = require('@keyv/redis').default;
+      KeyvRedis.mockImplementationOnce(() => {
+        throw testError;
+      });
+
+      expect(() => standardCache(namespace, ttl)).toThrow('Redis connection failed');
+
+      const { logger } = require('@librechat/data-schemas');
+      expect(logger.error).toHaveBeenCalledWith(
+        `Failed to create Redis cache for namespace ${namespace}:`,
+        testError,
+      );
+
+      expect(mockKeyv).not.toHaveBeenCalled();
+    });
   });
 
   describe('violationCache', () => {
@@ -233,6 +267,86 @@ describe('cacheFactory', () => {
         checkPeriod: Time.ONE_DAY,
       });
     });
+
+    it('should throw error when ConnectRedis constructor fails', () => {
+      cacheConfig.USE_REDIS = true;
+      const namespace = 'sessions';
+      const ttl = 86400;
+
+      // Mock ConnectRedis to throw an error during construction
+      const redisError = new Error('Redis connection failed');
+      mockConnectRedis.mockImplementationOnce(() => {
+        throw redisError;
+      });
+
+      // The error should propagate up, not be caught
+      expect(() => sessionCache(namespace, ttl)).toThrow('Redis connection failed');
+
+      // Verify that MemoryStore was NOT used as fallback
+      expect(mockMemoryStore).not.toHaveBeenCalled();
+    });
+
+    it('should register error handler but let errors propagate to Express', () => {
+      cacheConfig.USE_REDIS = true;
+      const namespace = 'sessions';
+
+      // Create a mock session store with middleware methods
+      const mockSessionStore = {
+        get: jest.fn(),
+        set: jest.fn(),
+        destroy: jest.fn(),
+      };
+      mockConnectRedis.mockReturnValue(mockSessionStore);
+
+      const store = sessionCache(namespace);
+
+      // Verify error handler was registered
+      expect(mockIoredisClient.on).toHaveBeenCalledWith('error', expect.any(Function));
+
+      // Get the error handler
+      const errorHandler = mockIoredisClient.on.mock.calls.find((call) => call[0] === 'error')[1];
+
+      // Simulate an error from Redis during a session operation
+      const redisError = new Error('Socket closed unexpectedly');
+
+      // The error handler should log but not swallow the error
+      const { logger } = require('@librechat/data-schemas');
+      errorHandler(redisError);
+
+      expect(logger.error).toHaveBeenCalledWith(
+        `Session store Redis error for namespace ${namespace}::`,
+        redisError,
+      );
+
+      // Now simulate what happens when session middleware tries to use the store
+      const callback = jest.fn();
+      mockSessionStore.get.mockImplementation((sid, cb) => {
+        cb(new Error('Redis connection lost'));
+      });
+
+      // Call the store's get method (as Express session would)
+      store.get('test-session-id', callback);
+
+      // The error should be passed to the callback, not swallowed
+      expect(callback).toHaveBeenCalledWith(new Error('Redis connection lost'));
+    });
+
+    it('should handle null ioredisClient gracefully', () => {
+      cacheConfig.USE_REDIS = true;
+      const namespace = 'sessions';
+
+      // Temporarily set ioredisClient to null (simulating connection not established)
+      const originalClient = require('./redisClients').ioredisClient;
+      require('./redisClients').ioredisClient = null;
+
+      // ConnectRedis might accept null client but would fail on first use
+      // The important thing is it doesn't throw uncaught exceptions during construction
+      const store = sessionCache(namespace);
+      expect(store).toBeDefined();
+
+      // Restore original client
+      require('./redisClients').ioredisClient = originalClient;
+    });
   });
 
   describe('limiterCache', () => {
@@ -274,8 +388,10 @@ describe('cacheFactory', () => {
       });
     });
 
-    it('should pass sendCommand function that calls ioredisClient.call', () => {
+    it('should pass sendCommand function that calls ioredisClient.call', async () => {
       cacheConfig.USE_REDIS = true;
+      mockIoredisClient.call.mockResolvedValue('test-value');
+
       limiterCache('rate-limit');
 
       const sendCommandCall = mockRedisStore.mock.calls[0][0];
@@ -283,9 +399,29 @@ describe('cacheFactory', () => {
 
       // Test that sendCommand properly delegates to ioredisClient.call
       const args = ['GET', 'test-key'];
-      sendCommand(...args);
+      const result = await sendCommand(...args);
 
       expect(mockIoredisClient.call).toHaveBeenCalledWith(...args);
+      expect(result).toBe('test-value');
+    });
+
+    it('should handle sendCommand errors properly', async () => {
+      cacheConfig.USE_REDIS = true;
+
+      // Mock the call method to reject with an error
+      const testError = new Error('Redis error');
+      mockIoredisClient.call.mockRejectedValue(testError);
+
+      limiterCache('rate-limit');
+
+      const sendCommandCall = mockRedisStore.mock.calls[0][0];
+      const sendCommand = sendCommandCall.sendCommand;
+
+      // Test that sendCommand properly handles errors
+      const args = ['GET', 'test-key'];
+
+      await expect(sendCommand(...args)).rejects.toThrow('Redis error');
+      expect(mockIoredisClient.call).toHaveBeenCalledWith(...args);
     });
 
     it('should handle undefined prefix', () => {
diff --git a/api/cache/redisClients.js b/api/cache/redisClients.js
index 46c2813e9..17889d24f 100644
--- a/api/cache/redisClients.js
+++ b/api/cache/redisClients.js
@@ -13,23 +13,82 @@ const ca = cacheConfig.REDIS_CA;
 /** @type {import('ioredis').Redis | import('ioredis').Cluster | null} */
 let ioredisClient = null;
 if (cacheConfig.USE_REDIS) {
+  /** @type {import('ioredis').RedisOptions | import('ioredis').ClusterOptions} */
   const redisOptions = {
     username: username,
     password: password,
     tls: ca ? { ca } : undefined,
     keyPrefix: `${cacheConfig.REDIS_KEY_PREFIX}${GLOBAL_PREFIX_SEPARATOR}`,
     maxListeners: cacheConfig.REDIS_MAX_LISTENERS,
+    retryStrategy: (times) => {
+      if (
+        cacheConfig.REDIS_RETRY_MAX_ATTEMPTS > 0 &&
+        times > cacheConfig.REDIS_RETRY_MAX_ATTEMPTS
+      ) {
+        logger.error(
+          `ioredis giving up after ${cacheConfig.REDIS_RETRY_MAX_ATTEMPTS} reconnection attempts`,
+        );
+        return null;
+      }
+      const delay = Math.min(times * 50, cacheConfig.REDIS_RETRY_MAX_DELAY);
+      logger.info(`ioredis reconnecting... attempt ${times}, delay ${delay}ms`);
+      return delay;
+    },
+    reconnectOnError: (err) => {
+      const targetError = 'READONLY';
+      if (err.message.includes(targetError)) {
+        logger.warn('ioredis reconnecting due to READONLY error');
+        return true;
+      }
+      return false;
+    },
+    enableOfflineQueue: cacheConfig.REDIS_ENABLE_OFFLINE_QUEUE,
+    connectTimeout: cacheConfig.REDIS_CONNECT_TIMEOUT,
+    maxRetriesPerRequest: 3,
   };
 
   ioredisClient =
     urls.length === 1
       ? new IoRedis(cacheConfig.REDIS_URI, redisOptions)
-      : new IoRedis.Cluster(cacheConfig.REDIS_URI, { redisOptions });
+      : new IoRedis.Cluster(cacheConfig.REDIS_URI, {
+          redisOptions,
+          clusterRetryStrategy: (times) => {
+            if (
+              cacheConfig.REDIS_RETRY_MAX_ATTEMPTS > 0 &&
+              times > cacheConfig.REDIS_RETRY_MAX_ATTEMPTS
+            ) {
+              logger.error(
+                `ioredis cluster giving up after ${cacheConfig.REDIS_RETRY_MAX_ATTEMPTS} reconnection attempts`,
+              );
+              return null;
+            }
+            const delay = Math.min(times * 100, cacheConfig.REDIS_RETRY_MAX_DELAY);
+            logger.info(`ioredis cluster reconnecting... attempt ${times}, delay ${delay}ms`);
+            return delay;
+          },
+          enableOfflineQueue: cacheConfig.REDIS_ENABLE_OFFLINE_QUEUE,
+        });
 
   ioredisClient.on('error', (err) => {
     logger.error('ioredis client error:', err);
   });
 
+  ioredisClient.on('connect', () => {
+    logger.info('ioredis client connected');
+  });
+
+  ioredisClient.on('ready', () => {
+    logger.info('ioredis client ready');
+  });
+
+  ioredisClient.on('reconnecting', (delay) => {
+    logger.info(`ioredis client reconnecting in ${delay}ms`);
+  });
+
+  ioredisClient.on('close', () => {
+    logger.warn('ioredis client connection closed');
+  });
+
   /** Ping Interval to keep the Redis server connection alive (if enabled) */
   let pingInterval = null;
   const clearPingInterval = () => {
@@ -42,7 +101,9 @@ if (cacheConfig.USE_REDIS) {
   if (cacheConfig.REDIS_PING_INTERVAL > 0) {
     pingInterval = setInterval(() => {
       if (ioredisClient && ioredisClient.status === 'ready') {
-        ioredisClient.ping();
+        ioredisClient.ping().catch((err) => {
+          logger.error('ioredis ping failed:', err);
+        });
       }
     }, cacheConfig.REDIS_PING_INTERVAL * 1000);
     ioredisClient.on('close', clearPingInterval);
@@ -56,8 +117,32 @@ if (cacheConfig.USE_REDIS) {
   /**
    * ** WARNING ** Keyv Redis client does not support Prefix like ioredis above.
    * The prefix feature will be handled by the Keyv-Redis store in cacheFactory.js
+   * @type {import('@keyv/redis').RedisClientOptions | import('@keyv/redis').RedisClusterOptions}
    */
-  const redisOptions = { username, password, socket: { tls: ca != null, ca } };
+  const redisOptions = {
+    username,
+    password,
+    socket: {
+      tls: ca != null,
+      ca,
+      connectTimeout: cacheConfig.REDIS_CONNECT_TIMEOUT,
+      reconnectStrategy: (retries) => {
+        if (
+          cacheConfig.REDIS_RETRY_MAX_ATTEMPTS > 0 &&
+          retries > cacheConfig.REDIS_RETRY_MAX_ATTEMPTS
+        ) {
+          logger.error(
+            `@keyv/redis client giving up after ${cacheConfig.REDIS_RETRY_MAX_ATTEMPTS} reconnection attempts`,
+          );
+          return new Error('Max reconnection attempts reached');
+        }
+        const delay = Math.min(retries * 100, cacheConfig.REDIS_RETRY_MAX_DELAY);
+        logger.info(`@keyv/redis reconnecting... attempt ${retries}, delay ${delay}ms`);
+        return delay;
+      },
+    },
+    disableOfflineQueue: !cacheConfig.REDIS_ENABLE_OFFLINE_QUEUE,
+  };
 
   keyvRedisClient =
     urls.length === 1
@@ -73,6 +158,27 @@ if (cacheConfig.USE_REDIS) {
     logger.error('@keyv/redis client error:', err);
   });
 
+  keyvRedisClient.on('connect', () => {
+    logger.info('@keyv/redis client connected');
+  });
+
+  keyvRedisClient.on('ready', () => {
+    logger.info('@keyv/redis client ready');
+  });
+
+  keyvRedisClient.on('reconnecting', () => {
+    logger.info('@keyv/redis client reconnecting...');
+  });
+
+  keyvRedisClient.on('disconnect', () => {
+    logger.warn('@keyv/redis client disconnected');
+  });
+
+  keyvRedisClient.connect().catch((err) => {
+    logger.error('@keyv/redis initial connection failed:', err);
+    throw err;
+  });
+
   /** Ping Interval to keep the Redis server connection alive (if enabled) */
   let pingInterval = null;
   const clearPingInterval = () => {
@@ -85,7 +191,9 @@ if (cacheConfig.USE_REDIS) {
   if (cacheConfig.REDIS_PING_INTERVAL > 0) {
     pingInterval = setInterval(() => {
       if (keyvRedisClient && keyvRedisClient.isReady) {
-        keyvRedisClient.ping();
+        keyvRedisClient.ping().catch((err) => {
+          logger.error('@keyv/redis ping failed:', err);
+        });
       }
     }, cacheConfig.REDIS_PING_INTERVAL * 1000);
     keyvRedisClient.on('disconnect', clearPingInterval);
diff --git a/redis-config/README.md b/redis-config/README.md
index 024d0b168..607075569 100644
--- a/redis-config/README.md
+++ b/redis-config/README.md
@@ -174,6 +174,15 @@ REDIS_KEY_PREFIX=librechat
 
 # Connection limits
 REDIS_MAX_LISTENERS=40
+
+# Ping interval to keep connection alive (seconds, 0 to disable)
+REDIS_PING_INTERVAL=0
+
+# Reconnection configuration
+REDIS_RETRY_MAX_DELAY=3000      # Max delay between reconnection attempts (ms)
+REDIS_RETRY_MAX_ATTEMPTS=10     # Max reconnection attempts (0 = infinite)
+REDIS_CONNECT_TIMEOUT=10000     # Connection timeout (ms)
+REDIS_ENABLE_OFFLINE_QUEUE=true # Queue commands when disconnected
 ```
 
 ## TLS/SSL Redis Setup