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QUAST: Quality Assessment Tool for Genome Assemblies


QUAST evaluates genome assemblies.
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


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:

  • 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.