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Grok 4.20 vs GLM 4.7 Flash (medium)

GLM 4.7 Flash (medium) leads on average score with 4.3 vs 4.1. Grok 4.20 has the lower benchmark cost at $0.057 vs $0.168. Grok 4.20 is faster at 1.11s vs 134.34s, with pass rates of 27.3% vs 31.8%.

Last updated at: 2026-09-29

Compared models

Rank
#353
Total Output Tokens
1,923
Response Time (avg)
1.11s
Total Cost
$0.057
Rank
#349
Total Output Tokens
419,534
Response Time (avg)
134.34s
Total Cost
$0.168
Recommended model Grok 4.20

Its score stays close to the best score here (4.1 vs 4.3), while costing about 3.0x less than GLM 4.7 Flash (medium).

Detailed comparison

Metric Grok 4.20 Grok 4.20 none Release: 2026-03-31 GLM 4.7 Flash GLM 4.7 Flash medium Release: 2026-01-19
Score 4.1 4.3
Rank #353 #349
Reliability N/A 8.6
Consistency 8.1 7.0
Attempts 54/66 66/66
Tests Correct
Attempt pass rate 27.3% 31.8%
Flaky tests 0 8
Total Runs 54 66
Cost per result 1.570 4.180
Total Cost $0.057 $0.168
Input Price $1.250 / 1M $0.061 / 1M
Output Price $2.500 / 1M $0.400 / 1M
Total Input Tokens 41,313 79,104
Output Tokens 1,923 42,254
Reasoning Tokens 0 377,280
Response Time (avg) 1.11s 134.34s
Response Time (max) 6.04s 1539.97s
Response Time (total) 19.96s 2015.13s
Parameters ~1T total (~100B active) 30B total (3B active)
Availability Closed Open source

Model generation showcase

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#353 xAI: Grok 4.20

none
Cost
$0.004
Time
6.5s
Tokens
1,367 tok

#349 GLM 4.7 Flash

medium
No output was saved. The original provider response or failure reason is unavailable.
Cost
$0.000
Time
186.2s
Tokens
12,112 tok

Top Models by Score

Score vs Total Cost

Response Time (avg)

Score vs Response Time (avg)

Total Output Tokens

Score vs Total Output Tokens

Category Breakdown

Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Grok 4.20 1.1 3.1 0.0% 0 1.22s 1,074 312 0
GLM 4.7 Flash 3.2 7.4 11.1% 1 55.33s 3,106 4,981 22,387

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