DeepSeek: DeepSeek V3.1 Terminus

deepseek/deepseek-v3.1-terminus

Last Observed: 2026-10-15 06:03:59.618594 UTC

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...

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Architecture And Modalities · 3

Architecture · Instruct Type API Details /architecture/instruct_type deepseek-v3.1	deepseek-v3.1
Architecture · Modality API Details /architecture/modality text->text	text->text
Architecture · Tokenizer API Details /architecture/tokenizer DeepSeek	DeepSeek

Benchmarks · 3

Benchmarks · Artificial Analysis · Agentic Index API Details /benchmarks/artificial_analysis/agentic_index 6.8	6.8
Benchmarks · Artificial Analysis · Coding Index API Details /benchmarks/artificial_analysis/coding_index 43.5	43.5
Benchmarks · Artificial Analysis · Intelligence Index API Details /benchmarks/artificial_analysis/intelligence_index 14.8	14.8

Catalog Identity And Metadata · 11

Canonical Slug API Details /canonical_slug deepseek/deepseek-v3.1-terminus	deepseek/deepseek-v3.1-terminus
Context Tokens API Details /context_length 163840	163,840
Created API Details /created 1758548275	2025-09-22 13:37:55 UTC
Description API Details /description 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...	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,… 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...
Expiration Date API Details /expiration_date Explicit Null	Explicit Null
Hugging Face Id API Details /hugging_face_id deepseek-ai/DeepSeek-V3.1-Terminus	deepseek-ai/DeepSeek-V3.1-Terminus
Id API Details /id deepseek/deepseek-v3.1-terminus	deepseek/deepseek-v3.1-terminus
Knowledge Cutoff API Details /knowledge_cutoff 2025-03-31	2025-03-31
Links · Details API Details /links/details /api/v1/models/deepseek/deepseek-v3.1-terminus/endpoints	/api/v1/models/deepseek/deepseek-v3.1-terminus/endpoints
Name API Details /name DeepSeek: DeepSeek V3.1 Terminus	DeepSeek: DeepSeek V3.1 Terminus
Supported Voices API Details /supported_voices Explicit Null	Explicit Null

Default Parameters · 3

Default Parameters · Frequency Penalty API Details /default_parameters/frequency_penalty Explicit Null	Explicit Null
Default Parameters · Temperature API Details /default_parameters/temperature Explicit Null	Explicit Null
Default Parameters · Top P API Details /default_parameters/top_p Explicit Null	Explicit Null

Request Limits · 1

Per Request Limits API Details /per_request_limits Explicit Null	Explicit Null

Pricing · 2

Output Price · USD/Token API Details /pricing/completion 0.000001	0.000001
Input Price · USD/Token API Details /pricing/prompt 0.00000027	0.00000027

Reasoning · 1

Reasoning · Mandatory API Details /reasoning/mandatory False	False

Provider Limits · 3

Top Provider · Context Length API Details /top_provider/context_length 163840	163,840
Top Provider · Is Moderated API Details /top_provider/is_moderated False	False
Top Provider · Max Completion Tokens API Details /top_provider/max_completion_tokens 147456	147,456

API Structure And Container Types

Architecture API Details /architecture Object · See Fields	Object · See Fields
Architecture · Input Modalities API Details /architecture/input_modalities Array · See Items	Array · See Items
Architecture · Output Modalities API Details /architecture/output_modalities Array · See Items	Array · See Items
Benchmarks API Details /benchmarks Object · See Fields	Object · See Fields
Benchmarks · Artificial Analysis API Details /benchmarks/artificial_analysis Object · See Fields	Object · See Fields
Benchmarks · Design Arena API Details /benchmarks/design_arena Array · See Items	Array · See Items
Default Parameters API Details /default_parameters Object · See Fields	Object · See Fields
Links API Details /links Object · See Fields	Object · See Fields
Pricing API Details /pricing Object · See Fields	Object · See Fields
Reasoning API Details /reasoning Object · See Fields	Object · See Fields
Supported Parameters API Details /supported_parameters Array · See Items	Array · See Items
Top Provider API Details /top_provider Object · See Fields	Object · See Fields

Architecture · Input Modalities

1 items · source order preserved

text

API Details

Item	/architecture/input_modalities/*
1	text

Architecture · Output Modalities

1 items · source order preserved

text

API Details

Item	/architecture/output_modalities/*
1	text

Supported Parameters

12 items · source order preserved

frequency_penalty
include_reasoning
max_tokens
reasoning
response_format
stop
structured_outputs
temperature
tool_choice
tools
top_k
top_p

API Details

Item	/supported_parameters/*
1	frequency_penalty
2	include_reasoning
3	max_tokens
4	reasoning
5	response_format
6	stop
7	structured_outputs
8	temperature
9	tool_choice
10	tools
11	top_k
12	top_p

Benchmarks · Design Arena

7 items · source order preserved

Item	Arena	Category	Elo	Rank	Win Rate
1	models	3d	1141	69	56
2	models	codecategories	1177	68	56
3	models	dataviz	1169	70	53.4
4	models	gamedev	1134	83	52.5
5	models	svg	1063	71	50.1
6	models	uicomponent	1184	62	59.5
7	models	website	1188	68	56.4

API Details

Item	/benchmarks/design_arena/*/arena	/benchmarks/design_arena/*/category	/benchmarks/design_arena/*/elo	/benchmarks/design_arena/*/rank	/benchmarks/design_arena/*/win_rate
1	models	3d	1141	69	56
2	models	codecategories	1177	68	56
3	models	dataviz	1169	70	53.4
4	models	gamedev	1134	83	52.5
5	models	svg	1063	71	50.1
6	models	uicomponent	1184	62	59.5
7	models	website	1188	68	56.4

Recorded Value History

Historical API Field

Input Price · USD/Token

5 of 5 records plotted · 0 excluded for missing or invalid coordinates.

Up to 100 recorded versions, spaced by observation order rather than elapsed time. Array fields use the minimum numeric item in each version. Missing values are omitted. Select a point to open its archived snapshot; comparison actions use the current listing. History begins at the first recorded baseline.

Axis Scale

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