This page has information on the releases available for OpenIFS
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Cycle 40r1
The single column model at cycle 40r1 is available from the OpenIFS ftp site for download. The OpenIFS cycle 40r1 model is currently under evaluation before general release.
This is the first version of the OpenIFS models, released is 2011. The OpenIFS model is based on IFS cycle 38r1 but does not include the data assimilation nor the wave model.