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QUAST: Quality Assessment Tool for Genome Assemblies


QUAST evaluates genome assemblies. For metagenomes, please see MetaQUAST project.
It can works both with and without a given reference genome.
The tool accepts multiple assemblies, thus is suitable for comparison.


Source code


QUAST web interface

Paper at Bioinformatics journal

Paper at PubMed

Poster at RECOMB-2013 (PDF)


Alexey Gurevich, Vladislav Saveliev, Nikolay Vyahhi and Glenn Tesler,
QUAST: quality assessment tool for genome assemblies,
Bioinformatics (2013) 29 (8): 1072-1075.
doi: 10.1093/bioinformatics/btt086
First published online: February 19, 2013 

Citation of other formats


About us:

Latest news:

  • November 27, 2015 — the version 3.2 is released! Now with raw reads support. Check out full list of changes.
  • November 26, 2015 — MetaQUAST was published in Bioinformatics (Advance Access), see all details on the project page.
  • August 26, 2015 — the version 3.1 is released. We reduced the size of the installation package 5 times! Also, now MetaQUAST includes Krona charts, heatmaps, and many other new features.
  • July 13, 2015 QUAST repositories are open for public access on Github! Command-line tool is here, web interface is here. Any feedback is welcomed at !
  • July 7, 2015 — QUAST 3 is releasedFaster (5x–100x more running w/o reference; running in parallel with large references; new spead-up options: --no-check, --no-gc, --no-snps, --fast); Better (more accurate missasembly detection algorithm, new reports), Significantly upgraded MetaQUAST. Check out full list of changes.
  • June, 2015 — The number of QUAST downloads exceeded ten thousands (including more than 6500 downloads of QUAST v.2.3)! 
  • January 17, 2014 — QUAST 2.3 is released. Now with contig alignment plots!
  • April 15, 2013 — The paper was published in Bioinformatics volume 29, issue 8, pp. 1072-1075.

Please help us to make QUAST better by sending your comments, bug reports, and suggestions to


Samples of QUAST plots:


Interactive QUAST evaluation demos of single-cell E. coliH. sapiens chr. 14 , and B. impatiens (bumblebee) assemblies.