How much does DeepSeek V4.1 Flash cost per million tokens?

DeepSeek V4.1 Flash costs $0.03 per million input tokens and $0.5 per million output tokens at list price, and $0.01 per million cached input tokens.

What is the context window of DeepSeek V4.1 Flash?

DeepSeek V4.1 Flash accepts up to 1,048,576 tokens of context and returns up to 943,718 output tokens.

How much do 1,000 chat messages cost with DeepSeek V4.1 Flash?

About $0.28, assuming 1,000 input + 500 output tokens per message.

Is there a cheaper alternative to DeepSeek V4.1 Flash?

In the same price range, Qwen Qwen3.7 Flash ($0.03 / $0.13), Google Gemma 4 26B A4B ($0.09 / $0.3), Qwen Qwen3.5-9B ($0.1 / $0.15) cost less per token. Quality differs: test on your own prompts.

Where can I buy DeepSeek API credits for less?

Discount credit books resell OpenRouter usage below face value within their depth, OpenRouter adds a 5.5% card fee, and DeepSeek sells its own credits at face value. The live table on this page ranks them for $100 of usage.

DeepSeek · live price

DeepSeek V4.1 Flash API pricing

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...

Small and cheap (under $1 per 1M)Tool callingReasoningimage input

Input: $0.03; per 1M tokens
Output: $0.5; per 1M tokens
Cached input: $0.01; per 1M tokens
Context: 1.0M; 944K max output

List price from OpenRouter, which passes DeepSeek's price through without markup. Refreshed hourly. Released September 10, 2026. Model id deepseek/deepseek-v4.1-flash.

What DeepSeek V4.1 Flash costs in practice

At list price, before any batch or caching discount.

1,000 chat messages

$0.28

1,000 input + 500 output tokens each

1,000 RAG questions

$0.49

8,000 input + 500 output tokens each

100 coding-agent steps

$0.19

30,000 input + 2,000 output tokens each, no caching

DeepSeek V4.1 Flash price history

No price change since we started tracking on 2026-10-01. We record prices daily; changes will show here.

DeepSeek V4.1 Flash price by host

29 hosts serve this model. Prices are the same or higher than list; the cheapest are first.

Sail Research$0.08 in · $0.4 out · 1.0M ctx · 99.8% uptime 24h
Morph$0.053 in · $0.432 out · 1.0M ctx · 99.6% uptime 24h
DekaLLM$0.12 in · $0.4 out · 1.0M ctx · 99.5% uptime 24h
OpenInference$0.03 in · $0.5 out · 1.0M ctx · 97.3% uptime 24h
Io Net$0.12 in · $0.41 out · 1.0M ctx · 97.7% uptime 24h
DeepInfra$0.14 in · $0.42 out · 1.0M ctx · 100.0% uptime 24h
Relace$0.024 in · $0.6 out · 1.0M ctx · 99.6% uptime 24h
InferenceNet$0.04 in · $0.6 out · 1.0M ctx · 99.4% uptime 24h
Wafer$0.05 in · $0.6 out · 1.0M ctx · 99.9% uptime 24h
StreamLake$0.141 in · $0.564 out · 1.0M ctx · 99.5% uptime 24h
AtlasCloud$0.141 in · $0.564 out · 1.0M ctx · 99.9% uptime 24h
DeepSeek$0.15 in · $0.6 out · 1.0M ctx · 100.0% uptime 24h
CoreWeave$0.2 in · $0.65 out · 1.0M ctx · 98.7% uptime 24h
Fireworks$0.22 in · $0.66 out · 1.0M ctx · 99.7% uptime 24h
DigitalOcean$0.18 in · $0.72 out · 1.0M ctx · 99.9% uptime 24h
GMICloud$0.18 in · $0.72 out · 1.0M ctx · 99.8% uptime 24h
Reka$0.2 in · $0.84 out · 1.0M ctx · 99.9% uptime 24h
NextBit$0.21 in · $0.84 out · 1.0M ctx · 99.9% uptime 24h
Phala$0.21 in · $0.84 out · 1.0M ctx · 99.8% uptime 24h
Ionstream$0.1 in · $1.15 out · 1.0M ctx · 99.7% uptime 24h
Baidu$0.3 in · $1.20 out · 1.0M ctx · 99.6% uptime 24h
BaseTen$0.3 in · $1.20 out · 1.0M ctx · 99.6% uptime 24h
Makora$0.3 in · $1.20 out · 1.0M ctx · 98.6% uptime 24h
Alibaba$0.3 in · $1.20 out · 1M ctx · 98.9% uptime 24h
Together$0.3 in · $1.20 out · 1.0M ctx · 100.0% uptime 24h
SiliconFlow$0.3 in · $1.20 out · 1.0M ctx · 99.8% uptime 24h
Parasail$0.3 in · $1.20 out · 1.0M ctx · 99.0% uptime 24h
Novita$0.3 in · $1.20 out · 1.0M ctx · 99.9% uptime 24h
Venice$0.375 in · $1.50 out · 1M ctx · 99.7% uptime 24h

Where to buy DeepSeek credits for less

DeepSeek V4.1 Flash costs the same per token everywhere it's sold through OpenRouter. What changes is the price of the credits. Live quotes for $100 of usage:

#	Where you buy	You payYou pay for $100.00 of usage	vs list price	Price source
1	OrbioCardCheapest right now Credits from a discount book, plus a 5% platform fee and card processing, both included in the quote.	$85.10 incl. $2.60 card processing	-14.9%	live quote
2	smaaartCard Credits from a discount book, plus a 5% platform fee on face value. Card processing and taxes shown at checkout.	$95.00 + card processing and tax at checkout (not in this number)	-5.0%	live quote
3	Direct from the labCard Prepaid credits at face value (OpenAI, Anthropic, Google…). Taxes may apply.	$100.00 no top-up fee	list price	face value
4	OpenRouterCrypto 5% on crypto purchases. No markup on model prices.	$105.00 fees included	+5.0%	published fee
5	OpenRouterCard 5.5% on card purchases, $0.80 minimum. No markup on model prices.	$105.50 fees included	+5.5%	published fee

Disclosure: this site is run by the team behind smaaart, one of the options compared. Tables are ranked by price only, from live quotes and published fees, including when smaaart isn't first. How we compare

DeepSeek V4.1 Flash cost calculator

Enter your monthly tokens to price your own usage.

Model$0.03 in / $0.5 out per 1M tokens · list price, liveInput tokens / month (millions)Output tokens / month (millions)

Usage at list price$6.50/ month(quotes below are for $7.00: purchases run from $5.00 to $10,000.00)

Cheaper alternatives to DeepSeek V4.1 Flash

Other labs' models in the same price range or the one below, cheaper per token.

Model	Input / 1M	Output / 1M	Blended 3:1	Context
Qwen: Qwen3.7 Flash	$0.03	$0.13	$0.055	1M
Google: Gemma 4 26B A4B	$0.09	$0.3	$0.143	262K
Qwen: Qwen3.5-9B	$0.1	$0.15	$0.112	262K
Qwen: Qwen3.5-Flash	$0.065	$0.26	$0.114	1M
Z.ai: GLM 4.7 Flash	$0.061	$0.4	$0.145	200K
Mistral: Ministral 3 3B 2512	$0.1	$0.1	$0.1	131K

Other DeepSeek models

Model	Input / 1M	Output / 1M	Blended 3:1	Context
DeepSeek V4 Flash Vision Exp	$0.216	$0.647	$0.323	1.0M
DeepSeek V4 Pro 0813	$0.66	$1.98	$0.99	1.0M
DeepSeek V4 Flash 0731	$0.011	$1.28	$0.328	1.0M
DeepSeek V4 Pro 0423	$0.209	$0.418	$0.261	1.0M
DeepSeek V4 Flash 0423	$0.042	$0.084	$0.052	1.0M
DeepSeek V3.2	$0.28	$0.42	$0.315	164K

All DeepSeek API prices