DeepSeek

DeepSeek V4.1 Flash 1017

CTX1M

New

Reasoning · Vision · Tools

Input$0.15/M

Output$0.60/M

October 17 update of DeepSeek V4.1 Flash with improved reasoning, coding, agentic tasks, and visual understanding

Open weightsMIT1040/1040

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DeepSeekTextCommon

DeepSeek V4.1 Flash 1017

October 17 update of DeepSeek V4.1 Flash with improved reasoning, coding, agentic tasks, and visual understanding

deepseek-flash

Type: Text
Quality: Not rated yet
Context window: 1,000,000 tokens
Max output: 393,216 tokens
Input price: $0.15 / 1M tokens
Output price: $0.60 / 1M tokens
Cache read: $0.003 / 1M tokens
Cache write: —
Parameters: 763B (763,205,315,794)
Downloads: 10K in the last 30 days
Likes: 1.2K
Access to weights: Open download
Released: Oct 17, 2026
Knowledge cutoff: May 2025
Takes in: Text, Image
Puts out: Text
Reasoning: Yes
Tool calling: Yes
Structured output: Yes
File attachments: Yes
Access: Open weights
License: MIT
Rarity: Common
Set number: 1040/1040

Open DeepSeek docs Weights on Hugging Face Where to run it 18 Evolution 2/2 Meet its creature Battle Mistral Small 4

License read from the model’s Hugging Face card. Specs from models.dev, downloads from Hugging Face, last changed Oct 18, 2026. Official source: api-docs.deepseek.com.

How good is it?

Public leaderboard scores for DeepSeek V4.1 Flash 1017, refreshed daily from Epoch AI and LMArena.

No public leaderboard lists DeepSeek V4.1 Flash 1017 yet. Epoch AI and LMArena cover most chat, image, and video models from the big labs; embeddings, speech, and small open models mostly go unrated.

Where to run it

18 providers sell DeepSeek V4.1 Flash 1017 through an API. Prices are per million tokens, cheapest first.

Cheapestengy$0.04 in · $0.08 out
From the labDeepSeek$0.15 in · $0.60 out

API providers

Provider	Input	Output	Context
engyCheapest paid`deepseek-v4.1-flash-1017`	$0.04	$0.08	1.05M
Vercel AI Gateway`deepseek/deepseek-v4.1-flash-1017`	$0.075	$0.30	1M
NanoGPT`deepseek/deepseek-v4.1-flash-1017`	$0.10	$0.60	1.05M
302.AI`deepseek-flash`	$0.15	$0.60	1M
DeepSeekOfficial`deepseek-flash`	$0.15	$0.60	1M
DevPass (LLM Gateway)`deepseek-v4.1-flash-1017`	$0.15	$0.60	1.05M
Kilo Gateway`deepseek/deepseek-v4.1-flash-1017`	$0.15	$0.60	1.05M
LLM Gateway`deepseek/deepseek-v4.1-flash-1017`	$0.15	$0.60	1.05M
Merge Gateway`deepseek/deepseek-v4.1-flash-1017`	$0.15	$0.60	1M
Ollama Cloud`deepseek-v4.1-flash:1017`	$0.15	$0.60	1.05M

Show 8 more providers

Provider	Input	Output	Context
OpenRouter`deepseek/deepseek-v4.1-flash-1017`	$0.15	$0.60	1.05M
Tempr Gateway`deepseek/deepseek-flash`	$0.15	$0.60	1M
Deep Infra`deepseek-ai/DeepSeek-V4.1-Flash-1017`	$0.20	$0.60	1.05M
Eden AI`deepinfra/deepseek-ai/DeepSeek-V4.1-Flash-1017`	$0.20	$0.60	1.05M
Baseten`deepseek-ai/DeepSeek-V4.1-Flash-1017`	$0.30	$1.20	1.05M
Prime Inference`deepseek/deepseek-v4.1-flash-1017`	$0.30	$1.20	1.05M
Requesty`deepseek-v4.1-flash-1017`	$0.50	$1.50	1.05M
Cortecs`deepseek-v4.1-flash-1017`	$0.51	$1.53	1.05M

From models.dev and Hugging Face, checked daily. Resellers’ listings can lag behind their price pages, so confirm with the provider before you commit.

Face off

Current text models from other labs at a similar output price.