Codewars vs HackerEarth:Which is more popular?
In September 2026, Codewars had more branded searches than HackerEarth among coding challenge brands worldwide. Codewars had about 90,500 branded searches, while HackerEarth had 40,500. Codewars made up 1.8% of all coding challenge brand searches we track, and HackerEarth accounted for 0.82%. When we asked ChatGPT and Google AI Overviews about coding challenge brands, Codewars appeared in three of the five answers and HackerEarth in two. Codewars was mentioned before HackerEarth in three out of five answers.
Who do people search for more?
Codewars, about 2 searches for every 1 for HackerEarth
Who does AI mention more?
Codewars, mentioned in 3 of 5 answers, HackerEarth in 2
Who does AI recommend more?
Codewars, named ahead of HackerEarth in 3 of 5 answers
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Top coding challenge brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Codewars was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. HackerEarth was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. Codewars was listed before HackerEarth in three out of five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
HackerRank1st
LeetCode2nd
CodeSignal3rd
Codewars4th
Codeforces5th
Exercism6th
CoderPad7th
HackerEarth8th
Codility9th
Project Euler10th- +1 more
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
HackerRank5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
LeetCode4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Codeforces3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Codewars3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Exercism3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
CodeSignal3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
HackerEarth2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
CoderPad2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Project Euler2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Codility1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about coding challenge brands
5 answers
Asked ChatGPT
“Which coding challenge brand should I use?”
Asked ChatGPT
“What are the best coding challenge brands?”
Asked ChatGPT
“What's the best coding challenge brand for developer hiring?”
Searched Google, AI Overview
“coding challenge platforms”
Searched Google, AI Overview
“coding assessment tool”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Is Codewars or HackerEarth more popular in search?
This chart shows how often people search Google for Codewars and HackerEarth by name. Each line represents a brand's share of searches for all 11 coding challenge brands we track, month by month, from English-language searches worldwide.
Share of searches by month for Codewars, HackerEarth. The figures are in the table below the chart.
View monthly share of searches table
| Month | LeetCode | HackerRank | Codeforces | Codewars | Exercism | HackerEarth | HireVue | CoderPad | CodeSignal | Project Euler | Codility |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 55.1% | 20.2% | 13.5% | 3.3% | 1.8% | 1.2% | 1.2% | 1% | 1.2% | 0.81% | 0.55% |
| Nov 2025 | 59.4% | 17.8% | 11.9% | 3.6% | 1.6% | 1.3% | 1.1% | 0.88% | 1.1% | 0.72% | 0.59% |
| Dec 2025 | 60.1% | 18% | 12.1% | 2.9% | 1.3% | 1.6% | 0.89% | 0.73% | 1.1% | 0.73% | 0.49% |
| Jan 2026 | 62.7% | 15.4% | 12.6% | 3.1% | 1.4% | 1.1% | 0.93% | 0.76% | 0.93% | 0.62% | 0.51% |
| Feb 2026 | 62.6% | 15.4% | 12.6% | 2.5% | 1.7% | 1.7% | 0.92% | 0.76% | 0.92% | 0.62% | 0.41% |
| Mar 2026 | 63.2% | 15.5% | 10.4% | 2.5% | 2.1% | 2.1% | 1.1% | 0.93% | 0.93% | 0.63% | 0.51% |
| Apr 2026 | 59.7% | 17.9% | 12% | 2.9% | 2% | 1.6% | 1.1% | 0.88% | 0.88% | 0.59% | 0.48% |
| May 2026 | 65.6% | 13.2% | 10.8% | 3.2% | 1.8% | 1.4% | 0.97% | 0.97% | 0.97% | 0.65% | 0.43% |
| Jun 2026 | 68.5% | 13.7% | 9.2% | 2.3% | 1.8% | 1.2% | 0.83% | 0.83% | 0.68% | 0.55% | 0.37% |
| Jul 2026 | 67.6% | 16.6% | 9.1% | 1.8% | 1.5% | 0.82% | 0.67% | 0.67% | 0.55% | 0.45% | 0.3% |
| Aug 2026 | 67.3% | 16.5% | 9% | 1.8% | 1.5% | 0.99% | 0.81% | 0.66% | 0.66% | 0.45% | 0.3% |
| Sep 2026 | 67.5% | 16.6% | 9.1% | 1.8% | 1.2% | 0.82% | 0.82% | 0.67% | 0.67% | 0.55% | 0.3% |
How has the Codewars and HackerEarth comparison changed over the last 12 months?
3 findings
- Codewars was ahead of HackerEarth in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Codewars’ share of searches among coding challenge brands worldwide moved from 3.3% to 1.8%, and its estimated monthly branded searches moved from 135K to 90.5K.
- Across the 12 months ending September 2026, HackerEarth’s share of searches among coding challenge brands worldwide moved from 1.2% to 0.82%, and its estimated monthly branded searches moved from 49.5K to 40.5K.
How did search popularity change for coding challenge brands worldwide in September 2026?
2 changes

Estimated monthly branded searches for Codewars worldwide fell 33% over 12 measured months, from 135K to 90.5K in September 2026.

Estimated monthly branded searches for HackerEarth worldwide fell 18.2% over 12 measured months, from 49.5K to 40.5K in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Codewars’ and HackerEarth’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Codewars
1 branded search term
- codewars
HackerEarth
1 branded search term
- hackerearth
Other head-to-heads among coding challenge brands

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