DeepSeek LLM Big Open weights

DeepSeek-R1

663 days since DeepSeek announced it · 20 Jan 2025

DeepSeek-R1 is an open-weights LLM from DeepSeek, announced 20 Jan 2025. It costs $0.55 per 1M input tokens and $2.19 per 1M output tokens. Its context window is 128K tokens. It has 671B parameters.

Input: $0.55; per 1M tokens
Cache write: —; per 1M tokens
Cache read: $0.14; per 1M tokens
Output: $2.19; per 1M tokens
Context window: 128K; tokens
Parameters: 671B; total

Announcement: api-docs.deepseek.com/news/news250120

Our coverage

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PixVerse launches R1 real-time world model
12 Jan 2026

DeepSeek · Big

open weights

A new one every ~74 days — due in ~46d.

DeepSeek-V4.1-Flash-1017 +37d 17 Oct 2026
DeepSeek V4.1 Flash +28d 10 Sep 2026
DeepSeek-V4-Pro-0813 +111d 13 Aug 2026
DeepSeek V4 Pro +0d 24 Apr 2026
DeepSeek V4 Flash +144d 24 Apr 2026
DeepSeek-V3.2-Speciale +0d 1 Dec 2025
DeepSeek V3.2 +63d 1 Dec 2025
DeepSeek V3.2-Exp +7d 29 Sep 2025
DeepSeek V3.1-Terminus +32d 22 Sep 2025
DeepSeek V3.1 +85d 21 Aug 2025
DeepSeek-R1-0528 +128d 28 May 2025
DeepSeek-R1 20 Jan 2025

PixVerse launches R1 real-time world model