I Tried Everything to Fix Cluely High Latency: Here's What Finally Worked

Webster Liu

·June 1, 2026

·9 min read

How I Tackled Cluely High Latency in 2026 and What Worked for Me

Cluely has been one of the most talked-about platforms for technical interview prep, so I decided to test it myself during coding interview practice. But after actually using it, I quickly noticed one major issue: latency. Every time I waited for code execution or AI responses, the delays kept interrupting my flow and made practice sessions feel far less smooth than I expected.

At first, I thought the issue might be caused by my own setup. I spent hours trying different browsers, adjusting settings, switching networks, and testing every optimization trick I could find online. Some tweaks helped a little, but the lag never fully disappeared. For a tool designed to assist during technical interviews, the response speed simply didn’t feel reliable enough.

After a lot of trial and error — including several failed attempts — I finally found solutions that worked much better for me. In this article, I'll share everything I tried to fix Cluely's high latency problems, what actually made a difference, and why I eventually switched to Linkjob AI as my preferred AI interview copilot.

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Key Takeaways

Switching to a suitable browser may help reduce some lag. You can try different browsers during setup to find the one best suits your needs.
Identify symptoms of lag by measuring response times. Persistent pauses indicate an issue that needs to be addressed.
Tools such as stopwatch apps and browser developer tools can effectively diagnose lag issues.
Implement quick fixes, such as refreshing the page, closing unnecessary tabs, and disabling extensions, to improve performance.
Consider using a Cluely AI alternative that actually work, such as Linkjob AI, to enjoy faster response times and a smoother interview experience.

Cluely High Latency Issues

What Causes Cluely Latency

One of the first things I noticed while using Cluely was the delay in responses. I'd ask a question and sometimes wait 7–12 seconds for the AI to reply. That might not sound terrible, but during coding interview practice, it completely breaks the flow and makes the tool feel much slower than a real-time copilot should.

How It Affects Interviews

In live interviews, even a short delay can become distracting. When suggestions arrive too late, it's harder to stay focused and respond naturally. I often felt like I was waiting for the AI instead of actually concentrating on the interview.

Real User Experience and Impact

From my experience and from what I've seen other users' review of Cluely online, Cluely's latency can make interviews feel awkward under pressure. A few small tweaks, like switching browsers or checking network settings, helped a bit, but the lag never fully went away for me.

Complaints from Real Cluely Users Online

Diagnosing Cluely High Latency Problems

Recognizing Symptoms

When I started testing Cluely more seriously, the biggest warning sign was how consistent the delay felt. No matter whether I asked a simple question or a coding-related one, the response usually took several seconds to appear. After a while, it became obvious that this wasn't just a random internet issue.

Some of the most common signs I noticed were:

A repeated 5–7 second delay before every response
AI replies arriving too late to feel natural in conversation
The interview flow constantly getting interrupted

Tools for Diagnosis

To confirm the issue, I tested a few simple tools myself. I used a stopwatch app to measure response times, checked the browser Network tab in developer tools, and ran internet speed tests to make sure my connection wasn’t the problem. Together, these made it much easier to figure out where the slowdown was coming from.

Common Triggers

A few things consistently made Cluely feel even slower for me:

Using it during peak hours
Keeping too many tabs or apps open
Running heavy browser extensions in the background

Closing unnecessary tabs and simplifying my setup helped a little, but the latency still never fully disappeared. That’s actually one of the reasons I started looking into alternatives like Linkjob AI. Its Coding Interview Copilot felt noticeably faster during real-time practice, especially when solving LeetCode-style questions or asking follow-up coding questions mid-interview.

Undetectable AI Coding Interview Copilot

Cluely Latency Troubleshooting Steps

Quick Fixes

When I first started dealing with Cluely lag, I tried a few simple fixes before changing anything major. Refreshing the page sometimes helped temporarily, and closing extra tabs made my browser feel noticeably faster. I also disabled a few extensions, especially ad blockers and privacy tools, since they occasionally slowed things down in the background.

The biggest surprise for me was switching browsers. On my setup, Chrome actually handled Cluely better than Firefox and reduced some of the delay during coding interview practice.

Network and System Checks

After that, I checked whether the issue was coming from my own setup. I ran internet speed tests, restarted my router, and closed heavy background apps like video calls or streaming software. Even moving closer to the router helped stabilize the connection a little.

Check	What I Found
Internet speed test	Connection was stable, but Cluely still lagged
Router restart	Helped reduce random spikes temporarily
Closing background apps	Improved response times slightly
Stronger Wi-Fi signal	Fewer freezes, but delays remained

These checks helped me rule out most local issues, which made me realize that a big part of the latency was probably coming from Cluely itself.

Testing Solutions

To avoid guessing, I tested each change one at a time and timed the responses manually. Some tweaks helped a little, but none completely fixed the problem.

Change Made	Before	After	My Experience
Disabled extensions	8–10s	6–7s	Slight improvement
Closed background apps	7–9s	5–6s	Still felt slow
Switched browsers	7–9s	4–5s	Most noticeable improvement
Refreshed session	6–8s	5–6s	Only temporary

After repeating these tests several times, I realized the lag wasn't fully fixable on my end. Even with a clean setup and stable internet, Cluely still struggled to feel truly real-time during technical interview practice.

Lessons Learned

What Didn’t Work

After testing different browsers, network settings, and system tweaks, I realized there wasn't a single fix that completely solved Cluely's latency issues. Some changes improved performance slightly, but the delays never disappeared entirely. At a certain point, I found myself spending more time troubleshooting than actually preparing for interviews.

Unexpected Challenges

The biggest challenge wasn't the lag itself—it was the effect it had on my focus. During coding interviews, timing matters more than I expected. Even a few seconds of delay could interrupt my thought process, especially when answering follow-up questions or explaining my solution. Instead of concentrating on the interview, I was often thinking about whether the AI would respond in time.

Key Insights

Looking back, a few lessons stand out:

Small optimizations can help, but they won't fix every latency problem.
Some delays appear to come from the platform itself rather than the user's setup.
Response speed matters much more in live interviews than in normal AI chats.
If a tool consistently struggles to keep up, it may be worth exploring alternatives.

By this point, I had already tried most of the common fixes. Rather than continuing to chase incremental improvements, I decided to see how other AI interview assistants performed in real interview scenarios.

Looking for a Faster Alternative

Why I Switched

By this point, I had already spent weeks trying to reduce Cluely's latency. Some fixes helped a little, but none completely solved the problem. The delays were still noticeable enough to break my concentration during coding interviews and mock interview sessions.

Rather than continuing to tweak settings, I decided to see how other AI interview assistants performed under the same conditions. My goal wasn't to find the platform with the most features. I simply wanted something that could keep up with the pace of a real technical interview.

I tested several popular options, including Linkjob AI, Final Round AI, LockedIn AI, Parakeet AI, and Verve AI. I used them during coding practice, mock interviews, and technical Q&A sessions to see how they handled real-time conversations.

Real-time AI Interview Assistant

One thing I noticed almost immediately was how much response speed affected the overall experience. When suggestions appeared quickly, I could stay focused on the conversation and use them naturally. When responses were delayed, even good answers became less useful because the moment had already passed.

That observation became the starting point for the comparison below.

Comparing Performance

Since latency was the main reason I started this search, I spent time comparing several popular AI interview assistants side by side.

Tool	Typical Response Speed	User Interaction	Best For
Linkjob AI	Usually under 1 second	Mostly automatic	Real-time coding interviews
Cluely	Often 7–12 seconds during busy periods	Manual triggering required	General interview assistance
Final Round AI	Moderate delay	Semi-automatic	Behavioral interviews
LockedIn AI	Moderate delay	Semi-automatic	Mixed interview types
Parakeet AI	Manual workflow	Requires frequent interaction	Coding support
Verve AI	Moderate delay	Semi-automatic	General interview preparation

Of course, actual performance varies depending on hardware, network conditions, interview platforms, and AI models. These observations are based on my own testing and day-to-day usage rather than controlled benchmarks.

For coding interviews specifically, response speed ended up mattering more than I originally expected. When an interviewer asks a follow-up question, you rarely have 10 seconds to wait for an answer.

What Stood Out About Linkjob.ai

After trying several alternatives, a few things consistently stood out to me.

Fast responses

This was the biggest difference. During LeetCode-style interviews, the suggestions generally appeared quickly enough to keep pace with the conversation.

Less manual work

Some tools required extra clicks or manual actions before generating responses. Linkjob.ai felt more streamlined, which helped reduce distractions during practice.

Strong Coding Interview Support

This was probably the feature I ended up using the most.

The Coding Interview Assistant can listen to technical questions, analyze coding problems, and generate solution ideas in real time. During mock interviews, I found it especially useful for:

LeetCode-style algorithm questions
Data structures and system design discussions
Follow-up optimization questions
Explaining time and space complexity
Clarifying interviewer intent when questions were ambiguous

Instead of constantly switching between tabs or prompting the AI manually, I could stay focused on solving the problem and discussing my thought process.

That doesn't mean it's perfect. Like every AI interview tool I've tested, it can occasionally misunderstand context or generate an answer that needs adjustment. I still recommend reviewing suggestions critically instead of following them blindly.

Honest Review

After using multiple interview copilots, I've come to think that reliability matters more than having the most advanced AI model on paper.

Cluely introduced me to the concept of AI interview assistance, but the latency became frustrating enough that I started exploring alternatives. Final Round AI, LockedIn AI, Parakeet AI, and Verve AI all had strengths of their own, but for technical interviews, I personally found Linkjob AI to be the most practical balance between speed, usability, and interview support.

The biggest benefit wasn't getting better answers. It was spending less mental energy worrying about the tool itself.

When the AI responds quickly and stays out of the way, it's much easier to focus on what actually matters: communicating your ideas, solving problems, and performing well in the interview.

FAQ

How do I know if Cluely latency is my fault or the platform's?

I check my internet speed first. If my connection looks good, but Cluely still lags, I know the issue comes from their servers.

Tip: Use browser developer tools to see if requests get stuck.

What should I do if none of the fixes work?

I always keep a backup plan. If nothing helps, I switch to another tool like Linkjob.ai.

What browser worked best for Linkjob AI?

Chrome gave me the smoothest experience.

Edge sometimes lagged more.
Firefox worked okay, but Chrome felt fastest for me.

Can I use Linkjob AI and Cluely at the same time?

No, I wouldn't recommend doing that, because running both invisible AI interview assistants at the same time will inevitably cause some bugs. Linkjob AI is more than enough on its own.