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Anthropic: Claude Opus 4.7 vs OpenAI: GPT-5.5

Last updated at: 2026-04-26

Metric Claude Opus 4.7 Claude Opus 4.7 none Release: 2026-04-16 GPT-5.5 GPT-5.5 low Release: 2026-04-24
Score 9.2 9.0
Rank #4 #5
Reliability N/A 10.0
Consistency 10.0 9.6
Tests Correct
Attempt pass rate 88.9% 87.0%
Flaky tests 0 1
Total Runs 54 54
Cost per result 3.155 4.534
Total Cost $0.505 $0.681
Input Price $5.000 / 1M $5.000 / 1M
Output Price $25.000 / 1M $30.000 / 1M
Output Tokens 6,326 1,959
Reasoning Tokens 0 16,134
Response Time (avg) 3.13s 8.39s
Response Time (max) 18.27s 56.19s
Response Time (total) 56.33s 151.01s

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) Output Tokens Reasoning Tokens
Claude Opus 4.7 8.3 10.0 75.0% 0 2.12s 522 0
GPT-5.5 10.0 10.0 100.0% 0 4.15s 232 1,056
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.7 10.0 10.0 100.0% 0 2.84s 494 0
GPT-5.5 10.0 10.0 100.0% 0 7.79s 369 936
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.7 9.5 10.0 100.0% 0 18.27s 3,504 0
GPT-5.5 10.0 10.0 100.0% 0 9.56s 303 717
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.7 10.0 10.0 100.0% 0 2.15s 324 0
GPT-5.5 10.0 10.0 100.0% 0 3.28s 228 157
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.7 7.7 10.0 66.7% 0 1.19s 78 0
GPT-5.5 5.3 10.0 33.3% 0 27.57s 69 11,731
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.7 10.0 10.0 100.0% 0 3.47s 257 0
GPT-5.5 10.0 10.0 100.0% 0 3.45s 143 132
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.7 10.0 10.0 100.0% 0 1.46s 114 0
GPT-5.5 9.9 10.0 100.0% 0 2.98s 93 356
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.7 10.0 10.0 100.0% 0 2.58s 661 0
GPT-5.5 9.0 7.9 88.9% 1 4.48s 272 948
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.7 10.0 10.0 100.0% 0 4.74s 372 0
GPT-5.5 10.0 10.0 100.0% 0 4.96s 250 101

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