Compare AI models

Specifications
Parameters
125B—
Context window
262k—
Benchmarks
SWE-Bench Multilingual
81%73.7%
Overview
CompanyQwenSpaceXAI
Release dateAug 26 2026Mar 19 2026
AccessOpen WeightClosed
Model detailsView modelView model

Frequently asked questions

Qwen3.8-Flash-Next leads Composer 2 on 1 of the 1 benchmark they both report (SWE-Bench Multilingual). Composer 2 shipped 160 days before Qwen3.8-Flash-Next, so benchmark comparisons should account for the intervening progress.

Qwen3.8-Flash-Next is open weight, while Composer 2 is closed.

On SWE-Bench Multilingual, Qwen3.8-Flash-Next leads at 81% vs Composer 2 at 73.7%.