Compare AI models

Specifications
Parameters
—125B
Context window
—262k
API pricing
Cheapest input
$3.00Amazon Bedrock—
Cheapest output
$15.00Amazon Bedrock—
Benchmarks
GPQA Diamond
75.4%91.7%
Overview
CompanyAnthropicQwen
Release dateMay 22 2025Aug 26 2026
AccessClosedOpen Weight
Model detailsView modelView model

Frequently asked questions

Qwen3.8-Flash-Next leads Claude Sonnet 4 on 1 of the 1 benchmark they both report (GPQA Diamond). Claude Sonnet 4 shipped 461 days before Qwen3.8-Flash-Next, so benchmark comparisons should account for the intervening progress.

Claude Sonnet 4 is closed, while Qwen3.8-Flash-Next is open weight.

On GPQA Diamond, Qwen3.8-Flash-Next leads at 91.7% vs Claude Sonnet 4 at 75.4%.