Catalog Changes · 2026-10-13 18:02:15.897354

DeepSeek: DeepSeek V4.1 Flash · 2026-10-13 18:02:15.897354 UTC

OpenRouter

99 Changed Fields

Field / Array Position	Previous Value	Observed Value
Output Price · USD/Token	0.0000006	0.00000063
Pricing · Input Cache Read	0.000000003	0.0000000054
Pricing · Overrides	Array · See Items	Not Reported
Utc Days[0.0]	saturday	Not Reported
Utc Days[0.0] · @item Type	1	Not Reported
Utc Days[0.1]	sunday	Not Reported
Utc Days[0.1] · @item Type	1	Not Reported
Utc Days[1.0]	monday	Not Reported
Utc Days[1.0] · @item Type	1	Not Reported
Utc Days[1.1]	tuesday	Not Reported
Utc Days[1.1] · @item Type	1	Not Reported
Utc Days[1.2]	wednesday	Not Reported
Utc Days[1.2] · @item Type	1	Not Reported
Utc Days[1.3]	thursday	Not Reported
Utc Days[1.3] · @item Type	1	Not Reported
Utc Days[1.4]	friday	Not Reported
Utc Days[1.4] · @item Type	1	Not Reported
Utc Days[2.0]	monday	Not Reported
Utc Days[2.0] · @item Type	1	Not Reported
Utc Days[2.1]	tuesday	Not Reported
Utc Days[2.1] · @item Type	1	Not Reported
Utc Days[2.2]	wednesday	Not Reported
Utc Days[2.2] · @item Type	1	Not Reported
Utc Days[2.3]	thursday	Not Reported
Utc Days[2.3] · @item Type	1	Not Reported
Utc Days[2.4]	friday	Not Reported
Utc Days[2.4] · @item Type	1	Not Reported
Utc Days[3.0]	monday	Not Reported
Utc Days[3.0] · @item Type	1	Not Reported
Utc Days[3.1]	tuesday	Not Reported
Utc Days[3.1] · @item Type	1	Not Reported
Utc Days[3.2]	wednesday	Not Reported
Utc Days[3.2] · @item Type	1	Not Reported
Utc Days[3.3]	thursday	Not Reported
Utc Days[3.3] · @item Type	1	Not Reported
Utc Days[3.4]	friday	Not Reported
Utc Days[3.4] · @item Type	1	Not Reported
Utc Days[4.0]	monday	Not Reported
Utc Days[4.0] · @item Type	1	Not Reported
Utc Days[4.1]	tuesday	Not Reported
Utc Days[4.1] · @item Type	1	Not Reported
Utc Days[4.2]	wednesday	Not Reported
Utc Days[4.2] · @item Type	1	Not Reported
Utc Days[4.3]	thursday	Not Reported
Utc Days[4.3] · @item Type	1	Not Reported
Utc Days[4.4]	friday	Not Reported
Utc Days[4.4] · @item Type	1	Not Reported
Utc Days[5.0]	monday	Not Reported
Utc Days[5.0] · @item Type	1	Not Reported
Utc Days[5.1]	tuesday	Not Reported
Utc Days[5.1] · @item Type	1	Not Reported
Utc Days[5.2]	wednesday	Not Reported
Utc Days[5.2] · @item Type	1	Not Reported
Utc Days[5.3]	thursday	Not Reported
Utc Days[5.3] · @item Type	1	Not Reported
Utc Days[5.4]	friday	Not Reported
Utc Days[5.4] · @item Type	1	Not Reported
Pricing · Overrides[0] · @item Type	5	Not Reported
Pricing · Overrides[0] · Completion	0.0000006	Not Reported
Pricing · Overrides[0] · Input Cache Read	0.000000003	Not Reported
Pricing · Overrides[0] · Prompt	0.00000015	Not Reported
Pricing · Overrides[0] · Utc Days	Array · See Items	Not Reported
Pricing · Overrides[1] · @item Type	5	Not Reported
Pricing · Overrides[1] · Completion	0.0000006	Not Reported
Pricing · Overrides[1] · Input Cache Read	0.000000003	Not Reported
Pricing · Overrides[1] · Prompt	0.00000015	Not Reported
Pricing · Overrides[1] · Utc Days	Array · See Items	Not Reported
Pricing · Overrides[1] · Utc End	100	Not Reported
Pricing · Overrides[1] · Utc Start	0	Not Reported
Pricing · Overrides[2] · @item Type	5	Not Reported
Pricing · Overrides[2] · Completion	0.0000012	Not Reported
Pricing · Overrides[2] · Input Cache Read	0.000000006	Not Reported
Pricing · Overrides[2] · Prompt	0.0000003	Not Reported
Pricing · Overrides[2] · Utc Days	Array · See Items	Not Reported
Pricing · Overrides[2] · Utc End	400	Not Reported
Pricing · Overrides[2] · Utc Start	100	Not Reported
Pricing · Overrides[3] · @item Type	5	Not Reported
Pricing · Overrides[3] · Completion	0.0000006	Not Reported
Pricing · Overrides[3] · Input Cache Read	0.000000003	Not Reported
Pricing · Overrides[3] · Prompt	0.00000015	Not Reported
Pricing · Overrides[3] · Utc Days	Array · See Items	Not Reported
Pricing · Overrides[3] · Utc End	600	Not Reported
Pricing · Overrides[3] · Utc Start	400	Not Reported
Pricing · Overrides[4] · @item Type	5	Not Reported
Pricing · Overrides[4] · Completion	0.0000012	Not Reported
Pricing · Overrides[4] · Input Cache Read	0.000000006	Not Reported
Pricing · Overrides[4] · Prompt	0.0000003	Not Reported
Pricing · Overrides[4] · Utc Days	Array · See Items	Not Reported
Pricing · Overrides[4] · Utc End	1000	Not Reported
Pricing · Overrides[4] · Utc Start	600	Not Reported
Pricing · Overrides[5] · @item Type	5	Not Reported
Pricing · Overrides[5] · Completion	0.0000006	Not Reported
Pricing · Overrides[5] · Input Cache Read	0.000000003	Not Reported
Pricing · Overrides[5] · Prompt	0.00000015	Not Reported
Pricing · Overrides[5] · Utc Days	Array · See Items	Not Reported
Pricing · Overrides[5] · Utc End	0	Not Reported
Pricing · Overrides[5] · Utc Start	1000	Not Reported
Input Price · USD/Token	0.00000015	0.0000000441
Top Provider · Max Completion Tokens	393216	943718

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DeepSeek: DeepSeek V4.1 Flash

deepseek/deepseek-v4.1-flash

OpenRouter Catalog Changes

Last Observed: 2026-10-13 18:02:15.897354 UTC

DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters on input and 16B on...

Find A Field

Architecture And Modalities · 3

Architecture · Instruct Type API Details /architecture/instruct_type Explicit Null	Explicit Null
Architecture · Modality API Details /architecture/modality text+image->text	text+image->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 39.5	39.5

Catalog Identity And Metadata · 11

Canonical Slug API Details /canonical_slug deepseek/deepseek-v4.1-flash-20260910	deepseek/deepseek-v4.1-flash-20260910
Context Tokens API Details /context_length 1048576	1,048,576
Created API Details /created 1789021285	2026-09-10 06:21:25 UTC
Description API Details /description DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters on input and 16B on...	DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters on input and 16B on...
Expiration Date API Details /expiration_date Explicit Null	Explicit Null
Hugging Face Id API Details /hugging_face_id deepseek-ai/DeepSeek-V4.1-Flash	deepseek-ai/DeepSeek-V4.1-Flash
Id API Details /id deepseek/deepseek-v4.1-flash	deepseek/deepseek-v4.1-flash
Knowledge Cutoff API Details /knowledge_cutoff Explicit Null	Explicit Null
Links · Details API Details /links/details /api/v1/models/deepseek/deepseek-v4.1-flash-20260910/endpoints	/api/v1/models/deepseek/deepseek-v4.1-flash-20260910/endpoints
Name API Details /name DeepSeek: DeepSeek V4.1 Flash	DeepSeek: DeepSeek V4.1 Flash
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 0.00000063	0.00000063
Pricing · Input Cache Read API Details /pricing/input_cache_read 0.0000000054	0.0000000054
Input Price · USD/Token API Details /pricing/prompt 0.0000000441	0.0000000441

Reasoning · 3

Reasoning · Default Effort API Details /reasoning/default_effort high	high
Reasoning · Default Enabled API Details /reasoning/default_enabled True	True
Reasoning · Mandatory API Details /reasoning/mandatory False	False

Provider Limits · 3

Top Provider · Context Length API Details /top_provider/context_length 1048576	1,048,576
Top Provider · Is Moderated API Details /top_provider/is_moderated False	False
Top Provider · Max Completion Tokens API Details /top_provider/max_completion_tokens 943718	943,718

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
Reasoning · Supported Efforts API Details /reasoning/supported_efforts Array · See Items	Array · See Items
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

2 items · source order preserved

text
image

API Details

Item	/architecture/input_modalities/*
1	text
2	image

Architecture · Output Modalities

1 items · source order preserved

text

API Details

Item	/architecture/output_modalities/*
1	text

Supported Parameters

20 items · source order preserved

frequency_penalty
include_reasoning
logit_bias
logprobs
max_tokens
min_p
presence_penalty
reasoning
reasoning_effort
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	reasoning_effort
10	repetition_penalty
11	response_format
12	seed
13	stop
14	structured_outputs
15	temperature
16	tool_choice
17	tools
18	top_k
19	top_logprobs
20	top_p

Benchmarks · Design Arena

0 items · source order preserved

Empty list

Reasoning · Supported Efforts

3 items · source order preserved

max
high
low

API Details

Item	/reasoning/supported_efforts/*
1	max
2	high
3	low