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GPT-5.4 (medium) vs Grok 4.5 (low)

GPT-5.4 (medium) leads on average score with 8.5 vs 8.4. Grok 4.5 (low) has the lower benchmark cost at $0.945 vs $1.560. Grok 4.5 (low) is faster at 16.17s vs 22.85s, with pass rates of 77.3% vs 77.3%.

Last updated at: 2026-08-29

Rank
#37
Total Output Tokens
90,466
Response Time (avg)
22.85s
Total Cost
$1.560
Rank
#41
Total Output Tokens
115,489
Response Time (avg)
16.17s
Total Cost
$0.945
Recommended model Grok 4.5 (low)

Its score stays close to the best score here (8.4 vs 8.5), while costing about 1.7x less than GPT-5.4 (medium).

Detailed comparison

Metric GPT-5.4 GPT-5.4 medium Release: 2026-03-05 Grok 4.5 Grok 4.5 low Release: 2026-07-08
Score 8.5 8.4
Rank #37 #41
Reliability 10.0 10.0
Consistency 8.6 9.3
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 77.3% 77.3%
Flaky tests 4 2
Total Runs 66 66
Cost per result 10.399 5.901
Total Cost $1.560 $0.945
Input Price $2.500 / 1M $2.000 / 1M
Output Price $15.000 / 1M $6.000 / 1M
Total Input Tokens 81,136 125,605
Output Tokens 6,155 7,505
Reasoning Tokens 84,311 107,984
Response Time (avg) 22.85s 16.17s
Response Time (max) 100.41s 205.28s
Response Time (total) 502.78s 355.67s
Parameters ~1.5T total (~100B active) ~1.7T total (~170B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#37 GPT-5.4

medium
Cost
$0.214
Time
199.6s
Tokens
14,349 tok

#41 SpaceXAI: Grok 4.5

low
Cost
$0.011
Time
12.4s
Tokens
2,018 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
GPT-5.4 8.8 7.8 88.9% 1 44.36s 7,305 433 24,216
Grok 4.5 10.0 10.0 100.0% 0 13.72s 9,579 303 15,641

Quick Compare

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