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Specifications
ParametersA rough measure of how big the model is. More parameters usually means more capable and more expensive to run, though it is a poor guide on its own — a smaller, newer model often beats a larger, older one.
—2.4T
Context windowHow much text the model can hold in mind at once — your question, any documents you attach, the conversation so far, and its own reply. Go past it and the earliest part falls out of view.
200k1M
These models have no shared benchmark scores.
Overview
CompanyAnthropicQwen
Release dateNov 21 2023Sep 2 2026
AccessClosedClosed
Model detailsView modelView model

Frequently asked questions

Claude 2.1 and Qwen3.8-Max-0902 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 2.1 shipped 1016 days before Qwen3.8-Max-0902, so benchmark comparisons should account for the intervening progress.

Context windows are 200k (Claude 2.1) vs 1M (Qwen3.8-Max-0902).

Direct benchmark comparisons are unavailable — Claude 2.1 and Qwen3.8-Max-0902 don't publish scores on any of the same benchmarks.