DeepSeek-R1

Classic open reasoning model for transparent math, coding, and deliberate problem solving

Strongest at
Coding
Top 39% of the past year's models · one benchmark so far
Context window
128K
tokens in · 32.8K out

Capability profile

Scored against 91 models released in the past year. 50 is the average model; further out is better.

This modelMedian of the past year
5090Median of the past yearCoding: 57 · Top 39%Writing: 54 · Better than 43%Reasoning: 37 · Better than 10%Math: 50 · Better than 26%Science: 49 · Better than 7%CodingWritingReasoningMathScience
Coding57Top 39% · 1 test
Writing54Better than 43%
Reasoning37Better than 10%
Math50Better than 26% · 1 test
Science49Better than 7%

No results yet: Reading & documents, Visual reasoning, Computer use

Where these scores come from

Each capability combines the published benchmarks listed here, rescaled so 50 is the reference average and 15 points is one standard deviation. A hollow dot rests on a single benchmark.

The DeepSeek R1 0528 line

2 releases in the DeepSeek R1 0528 line.

DeepSeek-R1Jan 20, 2025128dDeepSeek R1 0528May 28, 2025

A newer release is out: DeepSeek R1 0528.

ECI STANDING#129 of 270
SCORE138.82136.04–140.21 CI
FRONTIER LAGLaunched 1.1 months behindScores about what o1 did in December 2024.
SCORES LIKE THESE MODELSGPT-5 nanoOpenAI · Aug 2025139.21Qwen3-235B-A22BAlibaba · Apr 2025139.15
Qwen3-235B-A22B-Instruct (Jul 2025)Alibaba · Jul 2025138.78
Qwen3-32BAlibaba · Apr 2025138.42
Full Epoch Capabilities Index ranking ↗

Epoch benchmark boards

Best result on each board it has run. The tick marks the leader.

MATH level 5
93%#14 of 98
Fiction.LiveBench
69%#17 of 58
Balrog
35%#14 of 39
METR Time Horizons
52%#25 of 42
SimpleBench
31%#69 of 89
ARC-AGI-2
1%#80 of 103
ARC-AGI
16%#92 of 107

DeepSeek's past year

9 release days in the past year, about one every 41 days. The next is expected around Nov 28, 2026. Forecasts ↗

NovDecJanFebMarAprMayJunJulAugSepOctNov

Specifications

RELEASE DATEJan 20, 2025
WEIGHTSOpen weights
CONTEXT WINDOW128K
MAX OUTPUT32.8K
REASONINGNot listed
TOOL CALLINGNot listed
INPUTStext
OUTPUTStext

Models.dev record ↗

Specifications and prices from Models.dev; availability and limits may differ by provider. Benchmarks from Epoch AI (CC BY 4.0), LiveBench and the other sources named above.