Compare AI models

Specifications
Context window
9k—
API pricing
Cheapest input
—$0.0348Baidu
Cheapest output
—$0.1392Baidu

These models have no shared benchmark scores.

Overview
CompanyAnthropicDeepSeek
Release dateMar 14 2023Sep 10 2026
AccessClosedOpen Weight
Model detailsView modelView model

Frequently asked questions

Claude 1 and DeepSeek-V4.1-Flash don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 1 shipped 1276 days before DeepSeek-V4.1-Flash, so benchmark comparisons should account for the intervening progress.

Claude 1 is closed, while DeepSeek-V4.1-Flash is open weight.

Direct benchmark comparisons are unavailable — Claude 1 and DeepSeek-V4.1-Flash don't publish scores on any of the same benchmarks.