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Specifications
Parameters
—125B
Context window
—262k
API pricing
Input price
$1.25—
Output price
$10.00—
Cached input price
$0.125—
Cheapest input
$0.625Google AI Studio—
Cheapest output
$5.00Google AI Studio—
Benchmarks
Humanity's Last Exam · with tools
18.8%35.9%
GPQA Diamond
86.4%91.7%
Overview
CompanyGoogleQwen
Release dateMar 25 2025Aug 26 2026
AccessClosedOpen Weight
Model detailsView modelView model

Frequently asked questions

Qwen3.8-Flash-Next leads Gemini 2.5 Pro on 2 of the 2 benchmarks they both report (Humanity's Last Exam, GPQA Diamond). Only Gemini 2.5 Pro has a verified first-party API price: $1.25 per million input tokens and $10.00 per million output tokens. No pay-as-you-go API rate is tracked for Qwen3.8-Flash-Next. Gemini 2.5 Pro shipped 519 days before Qwen3.8-Flash-Next, so benchmark comparisons should account for the intervening progress.

Gemini 2.5 Pro is closed, while Qwen3.8-Flash-Next is open weight.

On Humanity's Last Exam · with tools, Qwen3.8-Flash-Next leads at 35.9% vs Gemini 2.5 Pro at 18.8%. On GPQA Diamond, Qwen3.8-Flash-Next leads at 91.7% vs Gemini 2.5 Pro at 86.4%.