Compare AI models

Specifications
Context windowHow much information the model can work with in one request, measured in tokens — pieces of words or other data. This includes your question, attachments, conversation and reply. Limits can vary by model variant and provider.
400k32k
These models have no shared benchmark scores.
Overview
CompanyOpenAIQwen
Release dateSep 15 2025Jan 28 2025
AccessClosedClosed
Model detailsView modelView model

Frequently asked questions

GPT-5-Codex and Qwen2.5-Max don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Qwen2.5-Max shipped 230 days before GPT-5-Codex, so benchmark comparisons should account for the intervening progress.

Context windows are 400k (GPT-5-Codex) vs 32k (Qwen2.5-Max).

Direct benchmark comparisons are unavailable — GPT-5-Codex and Qwen2.5-Max don't publish scores on any of the same benchmarks.