GPT-5 Codex
#2SWE-Bench Verified
by OpenAI
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About
GPT-5 Codex is a language model developed by OpenAI. It achieves strong performance with an average score of 74.5% across 1 benchmarks. Notable strengths include SWE-Bench Verified (74.5%). Released in 2025, it represents OpenAI's latest advancement in AI technology.
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Timeline
AnnouncedSep 15, 2025
ReleasedSep 15, 2025
Knowledge CutoffSep 30, 2024
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License & Family
License
Proprietary
Performance Overview
Performance metrics and category breakdown
Overall Performance
1 benchmarks
Average Score
74.5%
Best Score
74.5%
High Performers (80%+)
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All Benchmark Results for GPT-5 Codex
Complete list of benchmark scores with detailed information
| SWE-Bench Verified | text | 0.74 | 74.5% | Self-reported |