Catalog Changes · 2026-10-14 00:05:31.506007

DeepSeek: DeepSeek V3.1 Terminus · 2026-10-14 00:05:31.506007 UTC

OpenRouter

6 Changed Fields

Field / Array Position	Previous Value	Observed Value
Benchmarks · Design Arena[0] · Elo	1141	1142
Benchmarks · Design Arena[0] · Rank	69	68
Benchmarks · Design Arena[1] · Elo	1179	1178
Benchmarks · Design Arena[2] · Elo	1171	1169
Benchmarks · Design Arena[2] · Rank	68	70
Benchmarks · Design Arena[3] · Elo	1136	1135

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DeepSeek: DeepSeek V3.1 Terminus

deepseek/deepseek-v3.1-terminus

OpenRouter Catalog Changes

Last Observed: 2026-10-14 12:02:52.351381 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	1142	68	56
2	models	codecategories	1178	67	56
3	models	dataviz	1169	70	53.4
4	models	gamedev	1135	82	52.5
5	models	svg	1064	71	50.1
6	models	uicomponent	1184	61	59.5
7	models	website	1189	67	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	1142	68	56
2	models	codecategories	1178	67	56
3	models	dataviz	1169	70	53.4
4	models	gamedev	1135	82	52.5
5	models	svg	1064	71	50.1
6	models	uicomponent	1184	61	59.5
7	models	website	1189	67	56.4