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Specifications
ParametersThe learned values that shape how a model responds. B means billion and T means trillion. For mixture-of-experts models, the total count is larger than the number active for each token. Parameter count alone does not measure quality.
—>1T
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.
400k256k
Overview
CompanyOpenAIQwen
Release dateNov 13 2025Sep 24 2025
AccessClosedClosed
Model detailsView modelView model

Frequently asked questions

GPT-5.1-Codex-Mini and Qwen3-Max don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Qwen3-Max shipped 50 days before GPT-5.1-Codex-Mini, so benchmark comparisons should account for the intervening progress.

Context windows are 400k (GPT-5.1-Codex-Mini) vs 256k (Qwen3-Max).

Direct benchmark comparisons are unavailable — GPT-5.1-Codex-Mini and Qwen3-Max don't publish scores on any of the same benchmarks.