The Model Index
Models/DeepSeek

DeepSeek-R1

DeepSeekReleased 20 Jan 2025OpenReasoning
CompareAnnouncement
129118–141Index score#120 of 229 models
3/ 8Core tests taken3 of 6 areas · plus 9 anchor tests
−6Versus the frontier at releasebest then: o1Replaced by DeepSeek-R1-0528
–Price per million tokensno public API price found
–Context windowtokens it reads at once

Where it sitson the frontier

o1 reached this score 2 months earlier.

Test resultsby area · tick = best by any model

Reasoning & knowledgeevidence
GPQA Diamond
69%
Humanity's Last Exam
no result
Mathsevidence
FrontierMath T1-3
no result
Codingevidence
SWE-bench Verified
no result
Terminal-Bench
no result
Agentsevidence
APEX-Agents
no result
Novel problemsevidence
ARC-AGI-2
1%
Long tasksevidence
METR time horizon
27 min

Independent results from the Epoch AI benchmarking hub, best reasoning setting. The core tests are shown here; anchor tests also inform the score and can be shown above.

What others sayrank on each leaderboard

The Model Indexindependent tests, our method#120of 219 · 129
LMArena · Mathsmaths questions in chat#121of 373 · 1412LMArena · Creative writingcreative writing#130of 386 · 1374LMArena · Textoverall chat quality, judged by people#143of 388 · 1398LMArena · Codingcoding questions in chat#142of 383 · 1444Epoch Capabilities Indexoverall capability from many benchmarks#100of 239 · 141.3

Further left is better. Leaderboards measure different things: LMArena is people voting blind between two answers, the others are test scores. Click any row for the source.

Best attop three among current models

Replaced by DeepSeek-R1-0528; it no longer leads any category among current models.

Where this model places in the top three of today's models, on category leaderboards and on our core tests.

Where to use itprices checked 1 Oct 2026

From the lab

DeepSeek Chatapp · subscription↗DeepSeek APIAPI↗

Provider prices come from OpenRouter's live listing; going direct to a provider can differ. Subscriptions are the lab's own apps.

Facts and sources

Released20 Jan 2025
Release entryDeepSeek-R1
Scored asDeepSeek-R1
Artificial Analysis index–
Output speed–
Hugging Facenot linked

DeepSeek releasesaround this one

DeepSeek-R1-Lite-PreviewClosed
DeepSeek-V3Open
index 116
DeepSeek-R1Open
index 129
DeepSeek-R1-0528Open
index 134
DeepSeek-V3.1Open
index 132