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Claude Opus 5 vs xAI: Grok Build 0.1

The average score is effectively tied at 7.5 vs 7.6. Grok Build 0.1 (medium) has the lower benchmark cost at $1.097 vs $1.550. Claude Opus 5 is faster at 7.60s vs 52.06s, with pass rates of 57.6% vs 63.6%.

Recommended modelClaude Opus 5It has the best score here (7.5), while responding about 6.8x faster than Grok Build 0.1 (medium).

Last updated at: 2026-07-25

Metric Claude Opus 5 Claude Opus 5 none Release: 2026-07-25 Grok Build 0.1 Grok Build 0.1 medium Release: 2026-05-21
Score 7.5 7.6
Rank #59 #55
Reliability 10.0 10.0
Consistency 9.6 10.0
Tests Correct
Attempt pass rate 57.6% 63.6%
Flaky tests 1 0
Total Runs 66 66
Cost per result 12.912 7.830
Total Cost $1.550 $1.097
Input Price $5.000 / 1M $1.000 / 1M
Output Price $25.000 / 1M $2.000 / 1M
Total Input Tokens 185,550 106,751
Output Tokens 24,866 7,993
Reasoning Tokens 0 486,670
Response Time (avg) 7.60s 52.06s
Response Time (max) 47.72s 252.69s
Response Time (total) 167.28s 1145.27s

Hamster playing table tennis

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

#59 Claude Opus 5

none
Cost
$0.271
Time
149.3s
Tokens
10,962 tok

#55 xAI: Grok Build 0.1

medium
Cost
$0.028
Time
81.3s
Tokens
14,009 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 5 5.9 9.7 33.3% 0 5.54s 10,590 2,886 0
Grok Build 0.1 5.7 9.7 33.3% 0 108.46s 8,304 1,138 161,452

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