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DeepSeek: DeepSeek V3.1 Terminus

deepseek/deepseek-v3.1-terminus

DeepSeek-V3.1 Terminus is an update to [DeepSeek V3.1](/deepseek/deepseek-chat-v3.1) that maintains the model's original capabilities while addressing issues reported by users, including language consistency and agent capabilities, further optimizing the model's...

Source-linkedClosed weights
Report data
Context window163.84K
Maximum output32.768K
Provider offers0
Knowledge cutoffUndisclosed
Capabilities

What this model supports

ReasoningNo
Tool callingNo
Structured outputNo
AttachmentsNo
Temperature controlNo
Open weightsNo
Creator
DeepSeek
Family
Not documented
Modalities
Text
License
Not documented
Release date
Not documented
Model ID
deepseek/deepseek-v3.1-terminus
Market availability

Provider pricing

Report price →
No known providers available.
Evidence

Published benchmark results

Agentic Index vs top 8 models
GPT-5.6 Sol
54.0
Claude Fable 5
52.8
GPT-5.6 Terra
47.4
Anthropic: Claude Opus 4.8
47.2
Claude Sonnet 5
46.7
xAI: Grok 4.5
45.7
GPT-5.6 Luna
45.6
DeepSeek: DeepSeek V3.1 Terminus
18.1
Coding Index vs top 8 models
GPT-5.6 Sol
77.4
GPT-5.6 Terra
76.7
Claude Fable 5
76.5
GPT-5.5
74.9
Anthropic: Claude Opus 4.8
74.3
Anthropic: Claude Opus 4.7
73.6
xAI: Grok 4.5
72.4
DeepSeek: DeepSeek V3.1 Terminus
43.5
Design Arena: 3d vs top 8 models
Z.ai: GLM 5.2
1371.0
Claude Fable 5
1361.0
xAI: Grok 4.5
1352.0
Anthropic: Claude Opus 4.6
1348.0
Kimi K2.6
1348.0
Z.ai: GLM 5.1
1336.0
DeepSeek V4 Pro
1326.0
DeepSeek: DeepSeek V3.1 Terminus
1213.0
Design Arena: codecategories vs top 8 models
Z.ai: GLM 5.2
1352.0
Claude Fable 5
1344.0
Anthropic: Claude Opus 4.6
1336.0
Anthropic: Claude Opus 4.7
1330.0
xAI: Grok 4.5
1328.0
Z.ai: GLM 5.1
1321.0
Kimi K2.6
1320.0
DeepSeek: DeepSeek V3.1 Terminus
1217.0
Design Arena: dataviz vs top 8 models
Claude Fable 5
1372.0
Z.ai: GLM 5.1
1366.0
xAI: Grok 4.5
1330.0
Anthropic: Claude Opus 4.6
1321.0
Anthropic: Claude Opus 4.7
1320.0
Z.ai: GLM 5.2
1318.0
Anthropic: Claude Sonnet 4.6
1317.0
DeepSeek: DeepSeek V3.1 Terminus
1203.0
Design Arena: gamedev vs top 8 models
Claude Fable 5
1387.0
Z.ai: GLM 5.2
1354.0
Claude Sonnet 5
1345.0
GPT-5.5
1344.0
Anthropic: Claude Opus 4.6
1339.0
MiMo-V2.5-Pro
1334.0
Anthropic: Claude Opus 4.7
1334.0
DeepSeek: DeepSeek V3.1 Terminus
1192.0
Design Arena: svg vs top 8 models
Claude Fable 5
1364.0
Gemini 3.1 Pro Preview
1340.0
Gemini 3.5 Flash
1297.0
Anthropic: Claude Opus 4.6
1279.0
GPT-5.5
1277.0
Anthropic: Claude Opus 4.7
1274.0
Z.ai: GLM 5.1
1273.0
DeepSeek: DeepSeek V3.1 Terminus
1115.0
Design Arena: uicomponent vs top 8 models
Claude Fable 5
1406.0
Anthropic: Claude Opus 4.7
1358.0
Anthropic: Claude Opus 4.6
1344.0
Z.ai: GLM 5.2
1336.0
Qwen: Qwen3.7 Max
1331.0
Z.ai: GLM 5.1
1330.0
Anthropic: Claude Sonnet 4.6
1321.0
DeepSeek: DeepSeek V3.1 Terminus
1230.0
Design Arena: website vs top 8 models
Z.ai: GLM 5.2
1346.0
Claude Fable 5
1336.0
Anthropic: Claude Opus 4.6
1331.0
Anthropic: Claude Opus 4.7
1329.0
xAI: Grok 4.5
1323.0
Anthropic: Claude Sonnet 4.6
1320.0
Claude Sonnet 5
1314.0
DeepSeek: DeepSeek V3.1 Terminus
1222.0
Intelligence Index vs top 8 models
Claude Fable 5
59.9
GPT-5.6 Sol
58.9
Anthropic: Claude Opus 4.8
55.7
GPT-5.6 Terra
55.0
GPT-5.5
54.8
xAI: Grok 4.5
53.8
Anthropic: Claude Opus 4.7
53.5
DeepSeek: DeepSeek V3.1 Terminus
30.4