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.
400k1M
These models have no shared benchmark scores.
Overview
CompanyOpenAIQwen
Release dateNov 13 2025Nov 11 2026
AccessClosedClosed
Model detailsView modelView model

Frequently asked questions

GPT-5.1-Codex and Qwen4-Max Preview don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GPT-5.1-Codex shipped 363 days before Qwen4-Max Preview, so benchmark comparisons should account for the intervening progress.

Context windows are 400k (GPT-5.1-Codex) vs 1M (Qwen4-Max Preview).

Direct benchmark comparisons are unavailable — GPT-5.1-Codex and Qwen4-Max Preview don't publish scores on any of the same benchmarks.