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SWELancer-Benchmark
Science & Engineering2025–2025
openai / SWELancer-Benchmark · Archived

SWELancer-Benchmark

This repo contains the dataset and code for the paper "SWE-Lancer: Can Frontier LLMs Earn $1 Million from Real-World Freelance Software Engineering?"

4Distinct people
5Mentions
0Explicit recommenders
1.4KGitHub stars
REPOSITORY AT A GLANCE

What to know before exploring

What it is

This repo contains the dataset and code for the paper "SWE-Lancer: Can Frontier LLMs Earn $1 Million from Real-World Freelance Software Engineering?"

GitHub

Where it is used

No documented product use has been verified yet.

What people are saying

No recommendation phrase was found in the indexed comments.

No classified warning is attached to this page. Read the discussions before treating silence as approval.

Also in these discussions

Mentioned in the same Hacker News threads. That is not proof they are substitutes.

This week on Hacker News

Nov 8–Nov 15 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/15/2026, 8:03:49 PM UTC.

No direct repository links were found in the indexed HN discussions over the past seven days. Older discussions are available below.

Mentions over time

HN mentions by day5 dated mentions

Observed mentions: 2025-02-19 06:38:29 UTC to 2025-02-27 20:18:51 UTC.

01232025-02-19 00:00:00 UTC to 2025-02-20 00:00:00 UTC (exclusive): 3 mentions; 0 submissions, 3 commentsFeb 192025-02-20 00:00:00 UTC to 2025-02-21 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 comments2025-02-21 00:00:00 UTC to 2025-02-22 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-02-22 00:00:00 UTC to 2025-02-23 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-02-23 00:00:00 UTC to 2025-02-24 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 commentsFeb 232025-02-24 00:00:00 UTC to 2025-02-25 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-02-25 00:00:00 UTC to 2025-02-26 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-02-26 00:00:00 UTC to 2025-02-27 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-02-27 00:00:00 UTC to 2025-02-28 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 commentsFeb 27

Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.

View mention counts and date ranges
UTC ranges include their start and exclude their end. Select a period to filter the source evidence.
PeriodStart (UTC)End (exclusive, UTC)MentionsSubmissionsComments
Feb 192025-02-19 00:00:00 UTC2025-02-20 00:00:00 UTC303
Feb 202025-02-20 00:00:00 UTC2025-02-21 00:00:00 UTC101
Feb 212025-02-21 00:00:00 UTC2025-02-22 00:00:00 UTC000
Feb 222025-02-22 00:00:00 UTC2025-02-23 00:00:00 UTC000
Feb 232025-02-23 00:00:00 UTC2025-02-24 00:00:00 UTC000
Feb 242025-02-24 00:00:00 UTC2025-02-25 00:00:00 UTC000
Feb 252025-02-25 00:00:00 UTC2025-02-26 00:00:00 UTC000
Feb 262025-02-26 00:00:00 UTC2025-02-27 00:00:00 UTC000
Feb 272025-02-27 00:00:00 UTC2025-02-28 00:00:00 UTC101

What Hacker News says

1 sources
So it's much worse than I assumed from paper and repo overview? For further clarification: 1. See the issue example #14268 https://github.com/openai/SWELancer-Benchmark/tree/08b5d3dff.... It has a patch that is supposed to "reintroduce" the bug into the codebase (note the comments): + // Intentionally use raw character count instead of HTML-converted length + const validateCommentLength = (text: string) => { + // This will only check raw character count, not HTML-converted length + return text.length <= CONST.MAX_COMMENT_LENGTH; + }; Also, the patch is supposedly applied over commit da2e6688c3f16e8db76d2bcf4b098be5990e8968 - much later than original fix, but also a year ago, not sure why, might be something to do with cut off dates. 2. Proceed to https://github.com/Expensify/App/issues/14268 to see the ac
Read the rest
tual original issue thread. 3. Here is the actual merged solution at the time: https://github.com/Expensify/App/pull/15501/files#diff-63222... - as you can see the diff is quite different... Not only that, but the point to which the "bug" was reapplied is so far to the future that repo migrated to typescript even. --- And they still had to add a whole another level of bullshit with "management" tasks on top of that, guess why =) Prior "bench" analysis for reference: https://arxiv.org/html/2410.06992v1 (edit: code formatting)
In SWE-Lancer: a benchmark of freelance software engineering tasks from Upwork

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