Neura Intelligence Index

AI Model Benchmarks

GPT-5.1 Codex vs OpenAI Codex — Benchmark Comparison | Neura Market

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GPT-5.1 Codex vs OpenAI Codex

OpenAI 🇺🇸

69.3

#72—

OpenAI 🇺🇸

70.0

#69—

Category Comparison

Benchmark-by-Benchmark

coding

Benchmark	GPT-5.1 Codex	OpenAI Codex
SWE-bench Verified	73.7	69.1

agent

Benchmark	GPT-5.1 Codex	OpenAI Codex
WebArena	—	32
GAIA	—	68.5

Category Winners

coding

GPT-5.1 Codex

69.3

agent

OpenAI Codex

78.2