deepseek-v4.1-flash

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...

LLM & Generative AI 1 model 7 listings snapshot Oct 14, 2026, 12:54 AM

Platforms

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Cheapest OpenRouter no official benchmark Input$0.112 Output$0.336 per 1M tokens Fastest OpenRouter lowest p50 latency on this board 128.1 ms p50 Most free quota — largest published free allowance — free tier

Model variants

W3r9 dedup — same model + identical tags merge; prices are listed per billing form

Model	Provider	Tags	Input /1M	Output /1M
deepseek/deepseek-v4.1-flash	OpenRouter	1M contextmultimodalreasoning	$0.150	$0.600
deepseek/deepseek-v4.1-flash:batch :batch	OpenRouter	1M contextmultimodalreasoning	$0.112	$0.336
deepseek-ai/DeepSeek-V4.1-Flash	DeepInfra	1M contextmultimodalreasoning	$0.200	$0.600
deepseek-ai/DeepSeek-V4.1-Flash	Together	1M context	$0.300	$1.20
deepseek-v4.1-flash	DashScope	1M contextmultimodalreasoning	$0.148	$0.593
vanchin/deepseek-v4.1-flash	DashScope	1M contextmultimodalreasoning	$0.296	$1.19
deepseek/deepseek-v4.1-flash	Novita	1M contextmultimodalreasoning	$0.300	$1.20

Capabilities

official design_arena & architecture metadata

Design Arena Elo official design_arena benchmark (OpenRouter)

No official Design Arena benchmark from this provider. Showing official architecture metadata only.

Input / Output modalities modality: text+image->text

text in+out
image input only

Platform details

per provider

provider	model	Input /1M	Output /1M	Latency ?	Official $/1M	Availability	Data time
DashScope	vanchin/deepseek-v4.1-flash	$0.296	$1.19	—	—	—	2026-10-14 00:53:13
DeepInfra	deepseek-ai/DeepSeek-V4.1-Flash	$0.200	$0.600	—	—	—	2026-10-14 00:43:44
Novita	deepseek/deepseek-v4.1-flash	$0.300	$1.20	—	—	—	2026-10-14 00:54:15
OpenRouter	deepseek/deepseek-v4.1-flash	$0.150	$0.600	128.1 ms	—	100% available	2026-10-14 00:43:21
Together	deepseek-ai/DeepSeek-V4.1-Flash	$0.300	$1.20	—	—	—	2026-10-14 00:53:13

5 rows · snapshot 2026-10-14 00:54:15 · from data/public/prices.json + measurements.json