Neura Intelligence Index

AI Model Benchmarks

GPT-5 Codex vs OpenAI Codex — Benchmark Comparison | Neura Market

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GPT-5 Codex vs OpenAI Codex

OpenAI 🇺🇸

70.7

#82—

OpenAI 🇺🇸

69.7

#85—

Category Comparison

Benchmark-by-Benchmark

coding

Benchmark	GPT-5 Codex	OpenAI Codex
SWE-bench Verified	74.5	69.1

agent

Benchmark	GPT-5 Codex	OpenAI Codex
GAIA	—	68.5
WebArena	—	32

Category Winners

coding

GPT-5 Codex

70.7

agent

OpenAI Codex

78.2