What is the latest version of DeepSeek?

The current shipped version of DeepSeek is DeepSeek-V4.1-Flash, as of September 15, 2026.

How much does DeepSeek cost?

DeepSeek has no published flat entry price. Pay-as-you-go API pricing based on token consumption. No flat monthly fee.

What AI model does DeepSeek use?

DeepSeek runs primarily on DeepSeek-R1.

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DeepSeek

Name: DeepSeek
Author: DeepSeek

DeepSeek · #7 most active of 27 in Writing

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Hangzhou lab whose V and R series models are released under permissive licences and undercut Western API pricing by an order of magnitude.

Trust score · Mostly verified

4 data points checked · 2026-09-13

Model stack: DisputedEntry price: VerifiedUsage claim: VerifiedVersion: VerifiedHow this works →

Current version

DeepSeek-V4.1-Flash

Entry cost

Pay-as-you-go API pricing based on token consumption. No flat monthly fee.

Changes / 30d

The short answers · verified September 15, 2026

What is the latest version of DeepSeek?: The current shipped version of DeepSeek is DeepSeek-V4.1-Flash, as of September 15, 2026.
How much does DeepSeek cost?: DeepSeek has no published flat entry price. Pay-as-you-go API pricing based on token consumption. No flat monthly fee.
What AI model does DeepSeek use?: DeepSeek runs primarily on DeepSeek-R1.

Source: DeepSeek — api-docs.deepseek.com · Reusable under CC BY 4.0 — cite Tomorrow

Capabilities

Reasoning mode
Open weights (MIT)
OpenAI-compatible API
Context caching
Function calling
Thinking Mode
Context Caching
JSON Output
Tool Calls
OpenAI Compatibility
Anthropic Compatibility
FIM Completion
Chat Prefix Completion
Responses API
Multi-round Conversation
Anthropic API Compatibility
Anthropic API compatibility
OpenAI API compatibility
Chat API
OpenAI/Anthropic compatible
Json Output
Anthropic API
Vision

Pricing

deepseek-flash (Input Cache Hit - Off-Peak)
$0.003
deepseek-flash (Input Cache Hit - Peak)
$0.006
deepseek-flash (Input Cache Miss - Off-Peak)
$0.15
deepseek-flash (Input Cache Miss - Peak)
$0.3
deepseek-flash (Output - Off-Peak)
$0.6
deepseek-flash (Output - Peak)
$1.2

Entry price over time

7/25/2026 · $0.289/15/2026 · $0

Geek mode

Models under the hood

DeepSeek-R1
DeepSeek
disclosed
DeepSeek-V3.2
DeepSeek
disclosed
deepseek-v4-flash
DeepSeek
disclosed
DeepSeek-V4-Flash-0731
DeepSeek
disclosed
DeepSeek-V4-Flash-Vision-Exp
DeepSeek
disclosed
DeepSeek-V4-Pro
DeepSeek
disclosed
DeepSeek-V4-Pro-0813
DeepSeek
disclosed
DeepSeek-V4.1-Flash
DeepSeek
disclosed

Context window

Public API

yes

Multi-model routing

yes

Stack signals

openai_sdk
anthropic_sdk

Shared model stack

Other tracked products running on the same foundation models — a quick read on how much of the catalog moves when one of these models changes.

DeepSeek-R1DeepSeek · 2 products
- Metaso
- DeepSeek
DeepSeek-V4.1-FlashDeepSeek · 2 products
- Doubao
- DeepSeek
DeepSeek-V3.2DeepSeek · 1 product
- DeepSeek
deepseek-v4-flashDeepSeek · 1 product
- DeepSeek
DeepSeek-V4-Flash-0731DeepSeek · 1 product
- DeepSeek
DeepSeek-V4-Flash-Vision-ExpDeepSeek · 1 product
- DeepSeek
DeepSeek-V4-ProDeepSeek · 1 product
- DeepSeek
DeepSeek-V4-Pro-0813DeepSeek · 1 product
- DeepSeek

green disclosed · amber inferred · grey unattributed. Aliases are folded into one model; provider concentration counts only models with an established vendor.

Reported scale

Reference data. Each figure is whatever the source actually said — weekly users, downloads, revenue run-rate — with its own definition and date. These are not comparable between tools and are never used to rank anything.

Monthly active users
130M
monthly users
Third-party estimate
Downloads fell through 2026 while engagement held.
as of May 2026·QuestMobile H1 2026 report via TechNode ·inferred
App downloads
125M
downloads
Third-party estimate
Third-party install estimate.
as of Apr 2025·Sensor Tower estimate ·inferred

Also in Writing

All Writing

ERNIE Bot

BaiduChina

Baidu's flagship assistant, now on open-weight ERNIE models.

Version: 5.0-thinking-preview
Cost: Pay-as-you-go API pricing based on tokens. Token Plan Personal Edition and some free trials available.
Model: DeepSeek-V3.1

Hunyuan

TencentChina

Tencent's multimodal model family and assistant.

Version: Hunyuan-role-latest
Cost: Free trial up to 1 million tokens. Pay-as-you-go pricing applies afterward.
Model: Hunyuan-a13b

ChatGPT

OpenAI

General-purpose assistant

Version: GPT-6 Astra
Cost: Pricing not published in the provided documentation
Model: GPT Image

Kimi

Moonshot AIChina

Long-context assistant and agentic K-series models.

Version: Kimi K3
Cost: API access with pay-as-you-go pricing based on token consumption. File APIs are currently free.
Model: Kimi K2.6

Notion AI

Notion

AI inside your workspace

Version: 3.7
Cost: Free tier · from $10/mo
Model: Claude Sonnet 4.5

Qwen Chat

AlibabaChina

Alibaba's assistant on the widely forked Qwen model family.

Version: Qwen3-2507
Cost: Free to chat on official website
Model: Qwen3

Elsewhere on the same models

Products in other segments that name one of DeepSeek's models in their stack.

Metaso

MetasoChina

Ad-free AI search with citations, popular with Chinese researchers.

Version: 3.0
Cost: Free tier · from $5/mo
Model: DeepSeek-R1

Change history

Sep 15, 2026first seenversion
DeepSeek moved to DeepSeek-V4.1-Flash
V4.1DeepSeek-V4.1-Flash
source
Sep 14, 2026first seenversion
DeepSeek moved to V4.1
DeepSeek-V4.1-FlashV4.1
source
Sep 12, 2026first seenversion
DeepSeek moved to DeepSeek-V4.1-Flash
V4.1DeepSeek-V4.1-Flash
source
Sep 11, 2026first seenversion
DeepSeek moved to V4.1
DeepSeek-V4.1-FlashV4.1
source
Sep 10, 2026first seenversion
DeepSeek moved to DeepSeek-V4.1-Flash
V4DeepSeek-V4.1-Flash
source
Sep 10, 2026first seenpricing
Entry price increased to $0.003/mo
$0$0.003
source
Sep 10, 2026first seenmodel
DeepSeek added DeepSeek-V4.1-Flash to its model stack
DeepSeek-R1, DeepSeek-V3.2, DeepSeek-V4-Flash-0731, DeepSeek-V4-Flash-Vision-Exp, DeepSeek-V4-Pro, DeepSeek-V4-Pro-0813, deepseek-v4-flashDeepSeek-R1, DeepSeek-V3.2, DeepSeek-V4-Flash-0731, DeepSeek-V4-Flash-Vision-Exp, DeepSeek-V4-Pro, DeepSeek-V4-Pro-0813, DeepSeek-V4.1-Flash, deepseek-v4-flash
source
Sep 9, 2026first seenversion
DeepSeek moved to V4
DeepSeek-V4-Pro-0813V4
source
Sep 8, 2026first seenversion
DeepSeek moved to DeepSeek-V4-Pro-0813
V4DeepSeek-V4-Pro-0813
source
Sep 5, 2026first seenversion
DeepSeek moved to V4
DeepSeek-V4-Pro-0813V4
source
Sep 4, 2026first seenversion
DeepSeek moved to DeepSeek-V4-Pro-0813
V4DeepSeek-V4-Pro-0813
source
Sep 1, 2026first seenversion
DeepSeek moved to V4
v4V4
source
Aug 30, 2026first seenversion
DeepSeek moved to v4
V4v4
source
Aug 29, 2026first seenpricing
Entry price increased to $0.014/mo
$0$0.014
source
Aug 28, 2026first seenversion
DeepSeek moved to V4
v4V4
source
Aug 28, 2026first seenpricing
Entry price decreased to $0/mo
$0.01$0
source
Aug 27, 2026first seenversion
DeepSeek moved to v4
V4v4
source
Aug 27, 2026first seenpricing
Entry price decreased to $0.007/mo
$0.22$0.007
source
Aug 27, 2026first seencapability
New capabilities: Vision
22 tracked23 tracked · +Vision
source
Aug 26, 2026first seenpricing
Entry price increased to $0.22/mo
$0.01$0.22
source
Aug 25, 2026first seenpricing
Entry price increased to $0.007/mo
$0$0.007
source
Aug 23, 2026first seenversion
DeepSeek moved to V4
v4V4
source
Aug 22, 2026first seenversion
DeepSeek moved to v4
DeepSeek-V4-Pro-0813v4
source
Aug 22, 2026first seenmodel
DeepSeek added DeepSeek-V4-Flash-Vision-Exp to its model stack
DeepSeek-R1, DeepSeek-V3.2, DeepSeek-V4-Flash-0731, DeepSeek-V4-Pro, DeepSeek-V4-Pro-0813, deepseek-v4-flashDeepSeek-R1, DeepSeek-V3.2, DeepSeek-V4-Flash-0731, DeepSeek-V4-Flash-Vision-Exp, DeepSeek-V4-Pro, DeepSeek-V4-Pro-0813, deepseek-v4-flash
source
Aug 20, 2026first seenversion
DeepSeek moved to DeepSeek-V4-Pro-0813
deepseek-v4-proDeepSeek-V4-Pro-0813
source
Aug 20, 2026first seencapability
Context window now 1M
10000001M
source
Aug 18, 2026first seenversion
DeepSeek moved to deepseek-v4-pro
DeepSeek-V4-Pro-0813deepseek-v4-pro
source
Aug 17, 2026first seenversion
DeepSeek moved to DeepSeek-V4-Pro-0813
V4DeepSeek-V4-Pro-0813
source
Aug 16, 2026first seenversion
DeepSeek moved to V4
v4V4
source
Aug 15, 2026first seenversion
DeepSeek moved to v4
V4v4
source
Aug 15, 2026first seenpricing
Entry price decreased to $0.0028/mo
$0.14$0.0028
source
Aug 14, 2026first seenversion
DeepSeek moved to V4
DeepSeek-V4-Pro-0813V4
source
Aug 14, 2026first seenpricing
Entry price increased to $0.14/mo
$0$0.14
source
Aug 14, 2026first seencapability
Context window now 1000000
1M1000000
source
Aug 13, 2026first seenversion
DeepSeek moved to DeepSeek-V4-Pro-0813
v4DeepSeek-V4-Pro-0813
source
Aug 13, 2026first seenpricing
Entry price increased to $0.0028/mo
$0$0.0028
source
Aug 13, 2026first seenmodel
DeepSeek added DeepSeek-V4-Pro-0813 to its model stack
DeepSeek-R1, DeepSeek-V3.2, DeepSeek-V4-Flash-0731, DeepSeek-V4-Pro, deepseek-v4-flashDeepSeek-R1, DeepSeek-V3.2, DeepSeek-V4-Flash-0731, DeepSeek-V4-Pro, DeepSeek-V4-Pro-0813, deepseek-v4-flash
source
Aug 13, 2026first seencapability
New capabilities: Json Output, Anthropic API
20 tracked22 tracked · +Json Output, Anthropic API
source
Aug 12, 2026first seenversion
DeepSeek moved to v4
deepseek-v4-prov4
source
Aug 11, 2026first seenversion
DeepSeek moved to deepseek-v4-pro
v4deepseek-v4-pro
source

Subscribe to DeepSeek changes

DeepSeek compared

Straight head-to-head pages against the busiest products in Writing.

DeepSeek vs ERNIE Bot DeepSeek vs Hunyuan DeepSeek vs ChatGPT DeepSeek vs Kimi DeepSeek vs Notion AI DeepSeek vs Qwen Chat

How to cite this page

Free to cite and reuse under CC BY 4.0. Permalink: https://tomorrow.aliensquad.ai/tools/deepseek

APA

Tomorrow. (2026). DeepSeek — version, pricing and model stack [Data set entry]. AlienSquad. Retrieved 2026-09-17, from https://tomorrow.aliensquad.ai/tools/deepseek

BibTeX

@misc{tomorrow-tools-deepseek,
  author       = {{Tomorrow}},
  title        = {DeepSeek — version, pricing and model stack},
  year         = {2026},
  publisher    = {AlienSquad},
  howpublished = {\url{https://tomorrow.aliensquad.ai/tools/deepseek}},
  note         = {Accessed: 2026-09-17}
}