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GPT-5.5 vs Grok 4.7 (high)

The average score is effectively tied at 6.6 vs 6.7. GPT-5.5 has the lower benchmark cost at $1.212 vs $3.582. GPT-5.5 is faster at 4.75s vs 122.19s, with pass rates of 56.5% vs 72.5%.

Last updated at: 2026-10-01

Compared models

Rank
#185
Total Output Tokens
6,197
Response Time (avg)
4.75s
Total Cost
$1.212
Rank
#179
Total Output Tokens
487,184
Response Time (avg)
122.19s
Total Cost
$3.582
Recommended model GPT-5.5

It has the best score here (6.6), while costing about 3.0x less than Grok 4.7 (high).

Detailed comparison

Metric GPT-5.5 GPT-5.5 none Release: 2026-04-24 Grok 4.7 Grok 4.7 high Release: 2026-09-21
Score 6.6 6.7
Rank #185 #179
Reliability 10.0 9.6
Consistency 9.3 7.7
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 56.5% 72.5%
Flaky tests 2 7
Total Runs 69 69
Cost per result 10.096 23.360
Total Cost $1.212 $3.582
Input Price $5.000 / 1M $2.000 / 1M
Output Price $30.000 / 1M $6.000 / 1M
Total Input Tokens 205,108 329,276
Output Tokens 6,197 8,172
Reasoning Tokens 0 479,012
Response Time (avg) 4.75s 122.19s
Response Time (max) 57.53s 573.57s
Response Time (total) 109.31s 2810.40s
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.

#185 GPT-5.5

none
Cost
$0.090
Time
54.3s
Tokens
3,063 tok

#179 SpaceXAI: Grok 4.7

high
Cost
$0.110
Time
301.3s
Tokens
23,143 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-5.5 5.5 10.0 33.3% 0 1.35s 7,305 462 0
Grok 4.7 6.0 4.6 66.7% 2 335.92s 10,266 353 199,976

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