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Anthropic: Claude Opus 4.7 vs OpenAI: GPT-5.3-Codex

Summary

GPT-5.3-Codex (medium) leads on average score with 8.9 vs 8.7. Claude Opus 4.7 (medium) has the lower benchmark cost at $0.679 vs $0.740. Claude Opus 4.7 (medium) is faster at 4.73s vs 16.22s, with pass rates of 82.5% vs 82.5%.

Recommended modelClaude Opus 4.7 (medium)Its score stays close to the best score here (8.7 vs 8.9), while responding about 3.4x faster than GPT-5.3-Codex (medium).

Last updated at: 2026-07-14

Metric Claude Opus 4.7 Claude Opus 4.7 medium Release: 2026-04-16 GPT-5.3-Codex GPT-5.3-Codex medium Release: 2026-02-05
Score 8.7 8.9
Rank #16 #13
Reliability 10.0 10.0
Consistency 9.6 8.5
Tests Correct
Attempt pass rate 82.5% 82.5%
Flaky tests 1 4
Total Runs 63 63
Cost per result 3.991 4.932
Total Cost $0.679 $0.740
Input Price $5.000 / 1M $1.750 / 1M
Output Price $25.000 / 1M $14.000 / 1M
Total Input Tokens 65,406 34,299
Output Tokens 11,858 2,357
Reasoning Tokens 2,198 46,189
Response Time (avg) 4.73s 16.22s
Response Time (max) 23.18s 100.93s
Response Time (total) 94.51s 340.67s

Generation showcase

Hamster playing table tennis

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

#16 Claude Opus 4.7

medium
Cost
$0.059
Time
26.8s
Tokens
2,475 tok

#13 GPT-5.3-Codex

medium
Cost
$0.049
Time
54.9s
Tokens
3,580 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 4.7 7.6 7.2 77.8% 1 12.96s 10,635 7,629 1,114
GPT-5.3-Codex 10.0 10.0 100.0% 0 19.50s 7,302 535 10,890

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