Compare AI models

Specifications
Parameters
—125B
Context window
—262k
Benchmarks
GPQA Diamond
59.4%91.7%
Overview
CompanyAnthropicQwen
Release dateJun 20 2024Aug 26 2026
AccessClosedOpen Weight
Model detailsView modelView model

Frequently asked questions

Qwen3.8-Flash-Next leads Claude 3.5 Sonnet on 1 of the 1 benchmark they both report (GPQA Diamond). Claude 3.5 Sonnet shipped 797 days before Qwen3.8-Flash-Next, so benchmark comparisons should account for the intervening progress.

Claude 3.5 Sonnet is closed, while Qwen3.8-Flash-Next is open weight.

On GPQA Diamond, Qwen3.8-Flash-Next leads at 91.7% vs Claude 3.5 Sonnet at 59.4%.