Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
GLM-5.1
82
o3-mini
55
Verified leaderboard positions: GLM-5.1 #25 · o3-mini unranked
Pick GLM-5.1 if you want the stronger benchmark profile. o3-mini only becomes the better choice if knowledge is the priority.
Coding
+11.6 difference
Knowledge
+24.9 difference
GLM-5.1
o3-mini
$1.4 / $4.4
$1.1 / $4.4
N/A
160 t/s
N/A
7.12s
203K
200K
Pick GLM-5.1 if you want the stronger benchmark profile. o3-mini only becomes the better choice if knowledge is the priority.
GLM-5.1 is clearly ahead on the provisional aggregate, 82 to 55. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
GLM-5.1's sharpest advantage is in coding, where it averages 60.9 against 49.3. o3-mini does hit back in knowledge, so the answer changes if that is the part of the workload you care about most.
GLM-5.1 gives you the larger context window at 203K, compared with 200K for o3-mini.
GLM-5.1 is ahead on BenchLM's provisional leaderboard, 82 to 55.
o3-mini has the edge for knowledge tasks in this comparison, averaging 77.2 versus 52.3. Inside this category, Artificial Analysis Intelligence Index is the benchmark that creates the most daylight between them.
GLM-5.1 has the edge for coding in this comparison, averaging 60.9 versus 49.3. Inside this category, Terminal-Bench Hard is the benchmark that creates the most daylight between them.
Estimates at 50,000 req/day · 1000 tokens/req average.
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