Catalog Changes · 2026-10-13 03:21:08.081754

DeepSeek: DeepSeek V3.1 · 2026-10-13 03:21:08.081754 UTC

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DeepSeek: DeepSeek V3.1

deepseek/deepseek-chat-v3.1

OpenRouter Catalog Changes

Last Observed: 2026-10-13 12:00:59.925127 UTC

DeepSeek-V3.1 is a large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes via prompt templates. It extends the DeepSeek-V3 base with a two-phase long-context...

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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 Explicit Null	Explicit Null
Benchmarks · Artificial Analysis · Coding Index API Details /benchmarks/artificial_analysis/coding_index Explicit Null	Explicit Null
Benchmarks · Artificial Analysis · Intelligence Index API Details /benchmarks/artificial_analysis/intelligence_index 13.7	13.7

Catalog Identity And Metadata · 11

Canonical Slug API Details /canonical_slug deepseek/deepseek-chat-v3.1	deepseek/deepseek-chat-v3.1
Context Tokens API Details /context_length 163840	163,840
Created API Details /created 1755779628	2025-08-21 12:33:48 UTC
Description API Details /description DeepSeek-V3.1 is a large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes via prompt templates. It extends the DeepSeek-V3 base with a two-phase long-context...	DeepSeek-V3.1 is a large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes via prompt templates. It extends the DeepSeek-V3 base with a two-phase long-context...
Expiration Date API Details /expiration_date Explicit Null	Explicit Null
Hugging Face Id API Details /hugging_face_id deepseek-ai/DeepSeek-V3.1	deepseek-ai/DeepSeek-V3.1
Id API Details /id deepseek/deepseek-chat-v3.1	deepseek/deepseek-chat-v3.1
Knowledge Cutoff API Details /knowledge_cutoff 2025-03-31	2025-03-31
Links · Details API Details /links/details /api/v1/models/deepseek/deepseek-chat-v3.1/endpoints	/api/v1/models/deepseek/deepseek-chat-v3.1/endpoints
Name API Details /name DeepSeek: DeepSeek V3.1	DeepSeek: DeepSeek V3.1
Supported Voices API Details /supported_voices Explicit Null	Explicit Null

Request Limits · 1

Per Request Limits API Details /per_request_limits Explicit Null	Explicit Null

Pricing · 3

Output Price · USD/Token API Details /pricing/completion 0.00000095	0.00000095
Pricing · Input Cache Read API Details /pricing/input_cache_read 0.00000013	0.00000013
Input Price · USD/Token API Details /pricing/prompt 0.00000025	0.00000025

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 32768	32,768

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

19 items · source order preserved

frequency_penalty
include_reasoning
logit_bias
logprobs
max_tokens
min_p
presence_penalty
reasoning
repetition_penalty
response_format
seed
stop
structured_outputs
temperature
tool_choice
tools
top_k
top_logprobs
top_p

API Details

Item	/supported_parameters/*
1	frequency_penalty
2	include_reasoning
3	logit_bias
4	logprobs
5	max_tokens
6	min_p
7	presence_penalty
8	reasoning
9	repetition_penalty
10	response_format
11	seed
12	stop
13	structured_outputs
14	temperature
15	tool_choice
16	tools
17	top_k
18	top_logprobs
19	top_p

Benchmarks · Design Arena

7 items · source order preserved

Item	Arena	Category	Elo	Rank	Win Rate
1	models	3d	1080	93	47.9
2	models	codecategories	1116	94	47.8
3	models	dataviz	1099	98	46.2
4	models	gamedev	1089	95	47.1
5	models	svg	966	89	38.2
6	models	uicomponent	1089	95	47.1
7	models	website	1125	96	48

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	1080	93	47.9
2	models	codecategories	1116	94	47.8
3	models	dataviz	1099	98	46.2
4	models	gamedev	1089	95	47.1
5	models	svg	966	89	38.2
6	models	uicomponent	1089	95	47.1
7	models	website	1125	96	48