Gurobi includes a compiled R API package that is compatible with the version of R that was current at the time of the release of that version Gurobi. Below is a list of Gurobi versions and the R versions they support:
| Gurobi version | R version |
| 9.5.x | 4.1 |
| 9.0.3 - 9.1.2 | 4.0 |
| 9.0.0 - 9.0.2 | 3.6 |
| 8.1 | 3.5 |
| 8.0 | 3.4 |
You may see the following warning if you try to use the package from a different R version:
package ‘gurobi’ was installed by an R version with different internals