Compare AI models

Specifications
Parameters
—397B
Context window
1.05M1M
API pricing
Input price
$2.00$0.60
Output price
$10.00$3.60
Cached input price
$0.10—
Cheapest input
$1.00OpenAI$0.065Alibaba
Cheapest output
$5.00OpenAI$0.13Darkbloom

These models have no shared benchmark scores.

Overview
CompanyOpenAIQwen
Release dateSep 29 2026Feb 16 2026
AccessClosedOpen Weight
Model detailsView modelView model

Frequently asked questions

GPT-6.1 Sol and Qwen3.5 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Qwen3.5 is cheaper on both input and output: $0.60 vs $2.00 per million input tokens, and $3.60 vs $10.00 per million output tokens. Qwen3.5 shipped 225 days before GPT-6.1 Sol, so benchmark comparisons should account for the intervening progress.

Context windows are 1.05M (GPT-6.1 Sol) vs 1M (Qwen3.5). GPT-6.1 Sol is closed, while Qwen3.5 is open weight.

Direct benchmark comparisons are unavailable — GPT-6.1 Sol and Qwen3.5 don't publish scores on any of the same benchmarks.