Gurobi
Shares rank 2 of 6 optimization solvers by recommenders
People recommend Gurobi as a top commercial solver for integer linear programming, often fast enough to solve hard instances in seconds.
People recommend Gurobi as a top commercial solver for integer linear programming, often fast enough to solve hard instances in seconds.
6 people gave an opinion
- recommend it
- 6
- criticize it
- 0
- approval share
- 100%
Recommended in 2 of 13 months
- November 2025: not recommended
- December 2025: not recommended
- January 2026: not recommended
- February 2026: recommended
- March 2026: not recommended
- April 2026: not recommended
- May 2026: not recommended
- June 2026: not recommended
- July 2026: recommended
- August 2026: not recommended
- September 2026: not recommended
- October 2026: not recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 6 people recommend itNeeds 10 or more, not met.
- Nobody criticizes itNeeds 2 to 1 or better, met.
- Recommended in 2 of 13 monthsNeeds 4 or more, not met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Strongest commercial ILP solver
“Gurobi is far better for almost every instance I’ve seen.”
Comment from 12 Jul 2026 in “Optimization Solver as a Service” “Gurobi is arguably the strongest commercial ILP solver”
Comment from 18 Jul 2026 in “Fable 5 vs. GPT-5.6 Sol on an NP-Hard Problem: Does /goal help?” “It is apparently best in class for lots of problems.”
Comment from 12 Jul 2026 in “Optimization Solver as a Service” Fast on hard problems
“I have problems that gurobi solves in 30 seconds”
Comment from 12 Jul 2026 in “Optimization Solver as a Service” “Gurobi can solve it in about 30 seconds”
Comment from 12 Jul 2026 in “Optimization Solver as a Service”
Other optimization solvers people recommend
The four most recommended other optimization solvers, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.
| Product | Recommend | Criticize | Approval | Months | Owned | Badge |
|---|---|---|---|---|---|---|
| Z3 SMT solver | 24 | 2 | 92% | 9 | — | Approved |
| GurobiThis page | 6 | 0 | 100% | 2 | — | — |
| MiniZinc | 6 | 1 | 86% | 5 | — | — |
| Google OR-Tools | 6 | 4 | 60% | 3 | — | — |
| OR-Tools CP-SAT | 6 | 1 | 86% | 3 | — | — |
What people said
All 7 comments that mention it, newest first. Each links to the original comment.
“Gurobi is arguably the strongest commercial ILP solver”
“Gurobi can solve it in about 30 seconds”
“Gurobi is far better for almost every instance I’ve seen.”
“Gurobi probably has good heuristics and gives you a good enough answer”
“It is apparently best in class for lots of problems.”
“I have problems that gurobi solves in 30 seconds”
“interact with solvers (e.g., Gurobi, CPLEX) via wrapper libraries”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.