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Anthropic: Claude Opus 4.7 vs OpenAI: GPT-5.5

Last updated at: 2026-04-24

Metric Claude Opus 4.7 Claude Opus 4.7 none Release: 2026-04-16 GPT-5.5 GPT-5.5 medium Release: 2026-04-24
Score 9.2 9.0
Rank #4 #5
Reliability N/A N/A
Consistency 10.0 9.2
Tests Correct
Attempt pass rate 88.9% 87.0%
Flaky tests 0 2
Total Runs 54 54
Cost per result 3.155 19.226
Total Cost $0.505 $2.884
Input Price $5.000 / 1M $5.000 / 1M
Output Price $25.000 / 1M $30.000 / 1M
Output Tokens 6,326 1,920
Reasoning Tokens 0 89,632
Response Time (avg) 3.13s 32.75s
Response Time (max) 18.27s 332.10s
Response Time (total) 56.33s 589.59s

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 4.66s 250 1,335
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 9.09s 318 1,391
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 19.29s 312 2,841
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 4.18s 234 593
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 7.2 44.4% 1 164.14s 67 79,625
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 4.16s 138 223
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 10.0 10.0 100.0% 0 3.36s 93 538
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 8.6 7.9 77.8% 1 6.78s 250 2,254
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 10.57s 258 832

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