Longterm Wiki

DeepSeek R1

DeepSeek

DeepSeek R1 was released January 20, 2025 as an open-weight reasoning model that rivaled OpenAI's o1. Built on DeepSeek V3 with reinforcement learning for chain-of-thought reasoning. Scored 97.3% on MATH, 71.5% on GPQA Diamond, and 49.2% on SWE-bench Verified. Also released smaller distilled versions (1.5B to 70B). Released under MIT license, making it the first open-weight model competitive with proprietary reasoning models.

Developer
DeepSeek
Released
2025-01-20
Context Window
128K tokens

Pricing

TypePrice per MTok
Input$0.55
Output$2.19

Benchmarks3

BenchmarkScore
MATH97.3%
GPQA Diamond71.5%
SWE-bench Verified49.2%

DeepSeek Family1

ModelTierReleasedInput $/MTok
DeepSeek V32024-12-26$0.27

Details

Model FamilyDeepSeek
Generationr1
Release Date2025-01-20
Context Window128K tokens

Capabilities2

reasoningtool-use

Sources1

Tags

deepseekreasoningopen-weightfrontier-ai