Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
GLM-5.1
83
o3-mini
56
Verified leaderboard positions: GLM-5.1 #21 · 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, 83 to 56. 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, 83 to 56.
o3-mini has the edge for knowledge tasks in this comparison, averaging 77.2 versus 52.3. GLM-5.1 stays close enough that the answer can still flip depending on your workload.
GLM-5.1 has the edge for coding in this comparison, averaging 60.9 versus 49.3. o3-mini stays close enough that the answer can still flip depending on your workload.
Estimates at 50,000 req/day · 1000 tokens/req average.
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