Compare AI models

Specifications
Parameters
—125B
Context window
—262k
API pricing
Input price
$1.75—
Output price
$14.00—
Cached input price
$0.175—
Cheapest input
$0.875OpenAI—
Cheapest output
$7.00OpenAI—
Benchmarks
GPQA Diamond
92.4%91.7%
Overview
CompanyOpenAIQwen
Release dateDec 11 2025Aug 26 2026
AccessClosedOpen Weight
Model detailsView modelView model

Frequently asked questions

GPT-5.2 leads Qwen3.8-Flash-Next on 1 of the 1 benchmark they both report (GPQA Diamond). Only GPT-5.2 has a verified first-party API price: $1.75 per million input tokens and $14.00 per million output tokens. No pay-as-you-go API rate is tracked for Qwen3.8-Flash-Next. GPT-5.2 shipped 258 days before Qwen3.8-Flash-Next, so benchmark comparisons should account for the intervening progress.

GPT-5.2 is closed, while Qwen3.8-Flash-Next is open weight.

On GPQA Diamond, GPT-5.2 leads at 92.4% vs Qwen3.8-Flash-Next at 91.7%.