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Claude Opus 4.8 vs Grok 4.6 (low)

The average score is effectively tied at 6.9 vs 6.9. Grok 4.6 (low) has the lower benchmark cost at $0.781 vs $2.328. Claude Opus 4.8 is faster at 7.71s vs 16.44s, with pass rates of 60.9% vs 66.7%.

Last updated at: 2026-10-01

Compared models

Rank
#162
Total Output Tokens
24,523
Response Time (avg)
7.71s
Total Cost
$2.328
Rank
#159
Total Output Tokens
42,315
Response Time (avg)
16.44s
Total Cost
$0.781
Recommended model Grok 4.6 (low)

It has the best score here (6.9), while costing about 3.0x less than Claude Opus 4.8.

Detailed comparison

Metric Claude Opus 4.8 Claude Opus 4.8 none Release: 2026-05-28 Grok 4.6 Grok 4.6 low Release: 2026-08-12
Score 6.9 6.9
Rank #162 #159
Reliability 10.0 10.0
Consistency 9.3 9.6
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 60.9% 66.7%
Flaky tests 2 1
Total Runs 69 69
Cost per result 17.906 5.205
Total Cost $2.328 $0.781
Input Price $5.000 / 1M $2.000 / 1M
Output Price $25.000 / 1M $6.000 / 1M
Total Input Tokens 342,921 263,427
Output Tokens 24,523 6,006
Reasoning Tokens 0 36,309
Response Time (avg) 7.71s 16.44s
Response Time (max) 69.14s 57.97s
Response Time (total) 177.38s 378.14s
Parameters ~5T total (~500B 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.

#162 Claude Opus 4.8

none
Cost
$0.053
Time
22.0s
Tokens
2,253 tok

#159 SpaceXAI: Grok 4.6

low
Cost
$0.011
Time
26.0s
Tokens
1,941 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
Claude Opus 4.8 5.5 10.0 33.3% 0 3.29s 10,590 1,332 0
Grok 4.6 5.5 7.1 44.4% 1 21.69s 9,579 349 7,740

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