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Anthropic: Claude Opus 4.6 vs xAI: Grok Build 0.1

Summary

Claude Opus 4.6 vs Grok Build 0.1 benchmark comparison: Claude Opus 4.6 leads on average score with 7.7 vs 7.6. Grok Build 0.1 has the lower benchmark cost at $0.927 vs $2.053. Claude Opus 4.6 is faster at 25.89s vs 49.90s, with pass rates of 61.9% vs 61.9%.

Recommended model: Grok Build 0.1 - Its score stays close to the best score here (7.6 vs 7.7), while costing about 2.2x less than Claude Opus 4.6.

Last updated at: 2026-07-02

Metric Claude Opus 4.6 Claude Opus 4.6 medium Release: 2026-02-05 Grok Build 0.1 Grok Build 0.1 medium Release: 2026-05-21
Score 7.7 7.6
Rank #40 #44
Reliability 10.0 10.0
Consistency 8.8 9.9
Tests Correct
Attempt pass rate 61.9% 61.9%
Flaky tests 3 0
Total Runs 63 63
Cost per result 17.103 7.124
Total Cost $2.053 $0.927
Input Price $5.000 / 1M $1.000 / 1M
Output Price $25.000 / 1M $2.000 / 1M
Total Input Tokens 53,227 44,418
Output Tokens 47,446 2,782
Reasoning Tokens 24,000 438,018
Response Time (avg) 25.89s 49.90s
Response Time (max) 83.40s 252.69s
Response Time (total) 362.49s 1047.92s

Generation showcase

Hamster playing table tennis

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

#40 Claude Opus 4.6

medium
Invalid SVG
Cost
$0.000
Time
300.0s
Tokens
0 tok

#44 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

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.6 6.4 5.8 66.7% 2 7.45s 840 986 1,071
Grok Build 0.1 8.3 10.0 75.0% 0 7.43s 2,010 220 12,162
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.6 5.7 7.1 44.4% 1 30.10s 8,522 13,057 4,121
Grok Build 0.1 5.7 9.7 33.3% 0 108.46s 8,304 1,138 161,452
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.6 10.0 10.0 100.0% 0 76.66s 20,685 8,178 5,194
Grok Build 0.1 10.0 10.0 100.0% 0 32.81s 12,909 231 16,917
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.6 10.0 10.0 100.0% 0 7.37s 8,676 691 757
Grok Build 0.1 10.0 10.0 100.0% 0 10.72s 7,761 180 8,876
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.6 3.0 10.0 0.0% 0 83.40s 674 14,642 8,687
Grok Build 0.1 5.3 10.0 33.3% 0 158.00s 1,764 492 175,294
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.6 10.0 10.0 100.0% 0 5.04s 564 188 292
Grok Build 0.1 4.4 9.9 0.0% 0 18.41s 825 76 6,345
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.6 10.0 10.0 100.0% 0 2.43s 792 266 467
Grok Build 0.1 9.8 10.0 100.0% 0 12.36s 1,362 57 9,599
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.6 7.7 10.0 66.7% 0 4.71s 816 532 630
Grok Build 0.1 7.7 10.0 66.7% 0 18.26s 1,689 195 20,841
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.6 10.0 10.0 100.0% 0 9.73s 11,454 861 329
Grok Build 0.1 10.0 10.0 100.0% 0 13.12s 7,263 180 4,969
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.6 3.0 10.0 0.0% 0 63.24s 204 8,045 2,452
Grok Build 0.1 3.0 10.0 0.0% 0 53.51s 531 13 21,563

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