Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
GLM-5
67
Grok Code Fast 1
39
Verified leaderboard positions: GLM-5 #21 · Grok Code Fast 1 unranked
Pick GLM-5 if you want the stronger benchmark profile. Grok Code Fast 1 only becomes the better choice if coding is the priority or you want the cheaper token bill.
Coding
+7.6 difference
GLM-5
Grok Code Fast 1
$1 / $3.2
$0.2 / $1.5
74 t/s
172 t/s
1.64s
2.81s
200K
256K
Pick GLM-5 if you want the stronger benchmark profile. Grok Code Fast 1 only becomes the better choice if coding is the priority or you want the cheaper token bill.
GLM-5 is clearly ahead on the provisional aggregate, 67 to 39. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
GLM-5 is also the more expensive model on tokens at $1.00 input / $3.20 output per 1M tokens, versus $0.20 input / $1.50 output per 1M tokens for Grok Code Fast 1. That is roughly 2.1x on output cost alone. Grok Code Fast 1 gives you the larger context window at 256K, compared with 200K for GLM-5.
GLM-5 is ahead on BenchLM's provisional leaderboard, 67 to 39. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 77.8% and 70.8%.
Grok Code Fast 1 has the edge for coding in this comparison, averaging 70.8 versus 63.2. Inside this category, Terminal-Bench Hard is the benchmark that creates the most daylight between them.
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