The Model Index
Models/DeepSeek

DeepSeek-V3.2-Exp

DeepSeekReleased 29 Sep 2025Open
CompareAnnouncement
143131–155Index score#80 · provisional, limited data
0/ 8Core tests taken0 of 6 areas · plus 8 anchor tests
−11Versus the frontier at releasebest then: GPT-5
$0.27/ $0.41Price per million tokensinput / output, list price
164KContext windowtokens it reads at once

Where it sitson the frontier

o3 reached this score 5 months earlier.

Test resultsby area · tick = best by any model

Reasoning & knowledgeno evidence yet
GPQA Diamond
no result
Humanity's Last Exam
no result
Mathsno evidence yet
FrontierMath T1-3
no result
Codingevidence
SWE-bench Verified
no result
Terminal-Bench
no result
Agentsevidence
APEX-Agents
no result
Novel problemsno evidence yet
ARC-AGI-2
no result
Long tasksno evidence yet
METR time horizon
no result

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#80of 219 · 143
LMArena · Creative writingcreative writing#81of 386 · 1409LMArena · Codingcoding questions in chat#101of 383 · 1475LMArena · Textoverall chat quality, judged by people#106of 388 · 1425LMArena · Mathsmaths questions in chat#111of 373 · 1421Epoch Capabilities Indexoverall capability from many benchmarks#80of 239 · 145.0LMArena · WebDevbuilding web apps and front ends#106of 123 · 1272

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

Not in the top three among current models on any category we track.

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↗

API providers 1 · per million tokens, in / out

SSiliconFlow$0.27 / $0.41 · fp8cheapest

Run it yourself

🤗Official weightsdeepseek-ai/DeepSeek-V3.2-Exp↗

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

Released29 Sep 2025
Release entryDeepSeek-V3.2-Exp (sparse attention)
Scored asDeepSeek-V3.2-Exp
Artificial Analysis index–
Output speed–

DeepSeek releasesaround this one

DeepSeek-R1-0528Open
index 134
DeepSeek-V3.1Open
index 132
DeepSeek-V3.2-ExpOpen
index 143
DeepSeekMath-V2Open
DeepSeek-V3.2Open
index 145