modelgrep

Nex AGI: Nex-N2-Pro vs OpenAI: GPT-5.3-Codex

Nex AGI: Nex-N2-Pro wins on more metrics (5 of 9), but the right pick depends on what you optimize for — see the breakdown below.

MetricNex AGI: Nex-N2-ProOpenAI: GPT-5.3-Codex
Intelligence Index41.044.3
Coding Index59.1
GPQA Diamond89%92%
Design Arena Elo13141206
Speed (tokens/sec)5361
Latency2.0s2.0s
Input price /M$0.250$1.75
Output price /M$1.00$14.00
Context window262K400K
CapabilitiesReasoningVisionReasoningToolsJSONVision