ホーム概要モデル料金サポート

GPT-6 Astra vs DeepSeek V4.1 Flash

Side-by-side specs, pricing and capabilities. Both models run on Clade under one subscription, so you can switch between them in the same conversation.

GPT-6 Astra comes from OpenAI and DeepSeek V4.1 Flash from DeepSeek. The practical difference for most people is context, price, and which input types each one accepts.

GPT-6 Astra holds more in a single conversation — 1.1M tokens against 1M — which matters for long documents and large codebases.

DeepSeek V4.1 Flash is the cheaper of the two on input tokens at $0.30 / 1M tokens.

SpecificationGPT-6 AstraDeepSeek V4.1 Flash
ProviderOpenAIDeepSeek
Model IDgpt-6-astradeepseek-flash
Context window1.1M1M
Max output128K384K
Input price$10.00 / 1M tokens$0.30 / 1M tokens
Output price$50.00 / 1M tokens$1.20 / 1M tokens
Knowledge cutoff2026-04—
Input typestext, imagetext, image
Output typestexttext
PlanAll paid plansAll paid plans

Which should you use?

Pick GPT-6 Astra when…

  • You need the larger context window — 1.1M against 1M.
GPT-6 Astra details

Pick DeepSeek V4.1 Flash when…

  • Cost matters: input runs at $0.30 / 1M tokens versus $10.00 / 1M tokens.
  • You want longer single responses — up to 384K output tokens.
DeepSeek V4.1 Flash details

Related comparisons

Try both on Clade

You do not have to choose. One Clade subscription gives you GPT-6 Astra, DeepSeek V4.1 Flash, and every other model on the platform.