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Anthropic: Claude Sonnet 4.6 vs OpenAI: GPT-5 Nano

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Last updated at : 2026-02-27 15:16

Summary

Metric Anthropic: Claude Sonnet 4.6 none Release: Unknown release date OpenAI: GPT-5 Nano medium Release: Unknown release date
Rank #14 #23
Score 6.36 5.86
Consistency 9.50 6.60
Cost per result 1.325 0.519
Total Cost $0.106 $0.037
Tests Correct
Wrong Tests 6 7
Attempt pass rate 59.5% 69.1%
Flaky tests 1 6
Output Tokens 2,637 3,700
Reasoning Tokens 0 85,184

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Anthropic: Claude Sonnet 4.6 4.00 10.00 33.3% 0 1,199 0
OpenAI: GPT-5 Nano 7.00 9.99 66.7% 0 1,107 19,968
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Anthropic: Claude Sonnet 4.6 10.00 10.00 100.0% 0 252 0
OpenAI: GPT-5 Nano 5.50 5.81 83.3% 1 426 8,576
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Anthropic: Claude Sonnet 4.6 7.00 10.00 66.7% 0 54 0
OpenAI: GPT-5 Nano 4.00 4.41 55.6% 2 195 33,600
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Anthropic: Claude Sonnet 4.6 5.50 10.00 50.0% 0 90 0
OpenAI: GPT-5 Nano 7.00 6.41 83.3% 1 360 4,032
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Anthropic: Claude Sonnet 4.6 5.00 7.68 44.4% 1 595 0
OpenAI: GPT-5 Nano 4.67 4.90 55.6% 2 1,054 12,032
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Anthropic: Claude Sonnet 4.6 10.00 10.00 100.0% 0 447 0
OpenAI: GPT-5 Nano 10.00 10.00 100.0% 0 558 6,976

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