DeepSeek can be free for ordinary chat and app use, but the DeepSeek API is not the same as free consumer chat. The official DeepSeek download page describes the DeepSeek app as the official AI assistant and says users can “Chat with leading AI models for free.” The developer API, however, is usage-based: requests are billed by input and output tokens and deducted from topped-up or granted balance.
The short answer is: DeepSeek may be free for casual users, paid for developers, and indirectly costly for local or third-party use. It depends on whether you mean DeepSeek Web Chat, the mobile app, DeepSeek Harness, the API Platform, third-party tools, or downloadable open-weight models.
Documentation checked: October 7, 2026. Prices, model names, feature availability, free access, and account-specific offers can change. Always verify current details on the official DeepSeek pages before budgeting or publishing pricing information.
Quick answer: what is free and what is paid?
| DeepSeek route | Is it free? | What the official source says | What may cost money | Main caution |
|---|---|---|---|---|
| DeepSeek Web Chat | Often used as the free consumer route. | The official homepage links to DeepSeek Web Chat. | Official pages should be checked for current access rules, limits, or account requirements. | Do not assume unlimited use unless official sources say so. |
| DeepSeek mobile app | Yes for ordinary chat, based on the official download page wording. | The official download page says the DeepSeek app lets users chat with leading AI models for free. | Unofficial apps, app-store changes, or third-party wrappers may differ. | Use official download routes only. |
| DeepSeek Harness | Check the current official page. | The official Harness page describes it as a public-preview, open-source desktop harness. | Desktop use, plugins, model usage, infrastructure, or future terms may vary. | Do not assume Harness has the same free/paid status as the mobile app or web chat. |
| DeepSeek API | No, not as unlimited free usage. | The official Models & Pricing page lists token-based prices and says fees are deducted from topped-up or granted balance. | Input tokens, output tokens, cache misses, peak pricing, tool/agent loops, long outputs. | API usage is separate from consumer chat. |
| API key creation | A key authenticates requests; it is not the same as free usage. | The error-code docs show 402 for insufficient balance and direct users to check balance/top up. | Paid API calls require usable balance or granted balance. | Having a key does not mean unlimited free API access. |
| Open-weight models | Some model resources are publicly available. | DeepSeek maintains official GitHub and Hugging Face resources. | Hardware, GPUs, hosting, storage, electricity, inference servers, operations. | Downloadable weights are not the same as a free hosted service. |
| Local or self-hosted use | The model file may be available, but running it is not cost-free. | Model cards and repositories should be checked model by model. | Local hardware, cloud GPU rental, engineering time, monitoring, security, downtime. | Local is not automatically cheaper, private, or easy. |
| Third-party DeepSeek tools | Depends on the provider. | Third-party tools have their own pricing, terms, model versions, and privacy policies. | Subscriptions, credits, gateway fees, API key usage, provider markups. | Do not apply official DeepSeek pricing to third-party tools automatically. |
What “free” means for DeepSeek
The word “free” can mean several different things. A user may mean “free to open the chat,” “free to download the app,” “free to create an account,” “free to create an API key,” “free API usage,” or “free model weights.” These are different questions.
- Free consumer access means using the official web chat or app for ordinary AI assistant tasks.
- Free download means getting an app or model file without paying at download time.
- Free API key only means you can create a credential if your account has access; it does not mean unlimited usage.
- Usage-based API means requests cost money or consume granted balance based on token usage.
- Open weights means model weights may be publicly available, but running them can still require paid infrastructure.
- Third-party access means pricing depends on the provider that wraps or hosts DeepSeek.
So the accurate answer is not simply “yes” or “no.” DeepSeek is free in some consumer contexts, usage-based in the official API, and potentially costly when you self-host or use third-party tools.
Is DeepSeek Chat free?
For ordinary users, DeepSeek’s official web chat is the main consumer route. The official DeepSeek homepage links directly to DeepSeek Web Chat. If your goal is to ask questions, write text, summarize notes, translate, brainstorm, or get basic coding help, this is usually the first place to start.
However, do not assume that “free chat” means unlimited usage, guaranteed availability, or access to every developer feature. The official homepage links to the chat route, but exact consumer usage limits are not established by the official homepage content checked for this article. If DeepSeek displays account-specific limits, queues, temporary restrictions, or usage messages inside the current interface, follow that live interface.
Use the official chat route rather than clone sites, unofficial mirrors, or browser extensions that imitate DeepSeek. Third-party sites may have different privacy, pricing, logging, and model-routing rules.
Is the DeepSeek app free?
The official DeepSeek download page describes the DeepSeek app as the official AI assistant from DeepSeek and says users can chat with leading AI models for free. That is the clearest official source for ordinary app-based free use.
Use the official download page or official app-store routes linked from DeepSeek. Avoid unofficial APK mirrors, repackaged installers, fake apps, and “premium unlock” pages unless you can verify the provider. A fake or modified app can create security and privacy risks even when the official app is free.
The official app page does not mean every possible feature, third-party integration, future capability, or API workflow is free. It means the official app is positioned for free chat use at the time checked. Always verify the current official download page and live app interface for the latest availability.
Is the DeepSeek API free?
No, the official DeepSeek API should be treated as usage-based, not as unlimited free chat. The official Models & Pricing page says prices are listed per 1M tokens and that DeepSeek bills based on the total number of input and output tokens used by the model.
The same pricing page says the expense equals the number of tokens multiplied by the price, and that fees are deducted from topped-up balance or granted balance. This means API usage can consume balance even if you personally use the consumer app or chat without paying.
The API is for developers building apps, automations, coding agents, backend services, integrations, or structured workflows. Consumer chat access and developer API billing are separate routes.
Current DeepSeek API prices
The official API pricing page currently lists two main model IDs: deepseek-flash and deepseek-v4-pro. Prices are per 1M tokens and vary by cached input, uncached input, output, and peak/off-peak timing.
| API model | Cached input per 1M tokens | Uncached input per 1M tokens | Output per 1M tokens | Notes |
|---|---|---|---|---|
deepseek-flash | $0.003 off-peak / $0.006 peak | $0.15 off-peak / $0.30 peak | $0.60 off-peak / $1.20 peak | Current model version: DeepSeek-V4.1-Flash-1017. Supports Vision in the official model table. |
deepseek-v4-pro | $0.022 off-peak / $0.044 peak | $0.66 off-peak / $1.32 peak | $1.98 off-peak / $3.96 peak | Current model version: DeepSeek-V4-Pro-0813. Vision is listed as not supported. |
Peak hours are currently listed as 01:00–04:00 and 06:00–10:00 UTC, Monday through Friday, excluding Chinese public holidays. All other hours are off-peak, including weekends and Chinese public holidays in full. DeepSeek also states that product prices may vary and recommends checking the pricing page regularly for the latest information.
Do not treat this table as permanent pricing. For any article, integration, budget, or client quote, recheck the official Models & Pricing page before publishing or committing spend.
Is a DeepSeek API key free?
A DeepSeek API key is a credential. It lets your application authenticate requests to the official API. It is not the same as free API usage.
The official error-code page lists 402 – Insufficient Balance as a possible API error and tells users to check account balance and top up. That means creating or having a key does not guarantee your request will succeed if your account has no usable balance.
For developers, the practical rule is:
- An API key authenticates the request.
- Balance or granted balance pays for usage.
- The model and token usage determine the cost.
- Consumer chat access does not mean API calls are free.
Also protect your API key. DeepSeek’s Open Platform Terms say API keys are necessary credentials and should not be shared, publicly disclosed, or exposed in browser or other client-side code.
Does DeepSeek have a subscription?
Current official pages checked for this article establish free app chat wording and usage-based API pricing. They do not establish a universal consumer subscription tier, student plan, or premium plan that applies to every user.
If DeepSeek introduces subscriptions, trials, free credits, regional plans, app-store billing, or account-specific offers, those should be verified on the official DeepSeek website, app interface, API Platform, app-store listing, or official documentation at the time of writing. Do not rely on old screenshots or third-party pricing posts.
Is DeepSeek Harness free?
DeepSeek Harness is a separate desktop-oriented product from ordinary chat. The official Harness page describes it as a public-preview, open-source harness with composable plugins for everyday work, coding, research, background tasks, and developer workflows.
Do not assume Harness has the same free/paid status, resource model, or usage policy as the mobile app or web chat. Check the official DeepSeek Harness page and any current app notices before treating it as free for your workflow.
Are DeepSeek models free to download?
DeepSeek publishes official resources on GitHub and Hugging Face. Some DeepSeek model weights are publicly available under model-specific licenses. That can make them downloadable for research or local deployment, depending on the exact model and license.
But downloadable weights are not the same as free hosted inference. Running a model locally may require:
- hardware or cloud GPU capacity;
- memory and storage;
- electricity or cloud runtime;
- inference servers and software;
- monitoring, logging, and security controls;
- engineering time;
- license review, especially for distilled or third-party variants.
So “open weights” may reduce licensing or access barriers for some use cases, but it does not make inference cost-free.
Is running DeepSeek locally free?
Not automatically. Local use changes the cost structure. You may avoid hosted API token billing, but you take on infrastructure costs and operational responsibility.
- API cost ≈ input tokens × input price + output tokens × output price.
- Local cost ≈ hardware or cloud runtime + storage + power + engineering + monitoring + security operations.
Local DeepSeek may make sense for research, offline experiments, self-hosting, or sensitive workflows where your organization can secure the infrastructure. It may not make sense for a beginner, a small project, or a bursty workload that is cheaper and simpler through the official API.
Are third-party DeepSeek tools free?
Third-party tools that use DeepSeek models are not governed by official DeepSeek pricing automatically. A browser extension, coding agent, IDE plugin, cloud gateway, workflow automation tool, or hosted inference provider may charge its own subscription, credits, markup, or usage fee.
Each third-party provider may also use a different model version, rate limit, privacy policy, logging behavior, and API key handling. If a third-party product says it supports DeepSeek, check that provider’s own pricing and terms before assuming it is free.
Hidden costs to watch for
Even when you start with a free route, costs can appear in practical workflows.
| Cost source | Why it happens | How to control it |
|---|---|---|
| API output-heavy prompts | Long answers increase output token usage. | Set clear length limits and ask for concise output when possible. |
| Long-context prompts | Large inputs increase input token usage, especially if cache is missed. | Send only relevant context and summarize repeated material. |
| Agent loops | Agents may make multiple model calls, tool calls, retries, and follow-up requests. | Set maximum turns, budgets, and approval checkpoints. |
| Retries | Repeated failed or partial requests can increase usage if they reach the model. | Use bounded retries and fix configuration errors instead of retrying blindly. |
| Image input | Vision workflows may have their own token or input implications. | Use image input only when visual information is necessary. |
| Third-party tools | Providers may charge separately from DeepSeek. | Check the provider’s pricing page and whether it uses your DeepSeek key. |
| Local deployment | Open weights still require compute, storage, and operations. | Compare total cost of ownership, not only token prices. |
| Compliance review | Workplace use may require privacy, legal, or security approval. | Classify data before using any hosted or third-party AI workflow. |
Is DeepSeek free for students?
The official sources checked for this article do not establish a universal DeepSeek student plan. Students can use the official app or web chat if available to them, but any special student offer, education plan, or regional program should be verified from an official DeepSeek page or current app notice before being treated as real.
Students should also avoid uploading private school records, IDs, family information, passwords, or personal documents. Free access does not remove privacy and safety concerns.
Is DeepSeek free for coding?
DeepSeek can help with coding through the ordinary chat/app route, the API, Harness, or local models. Whether it is free depends on the route.
- For quick explanations or debugging in consumer chat, users may be able to use the free chat/app route.
- For coding agents, backend automation, API-based reviews, or structured workflows, expect API token billing unless a granted balance covers the cost.
- For local coding assistants using open-weight models, infrastructure and setup may cost money even if the model weights are downloadable.
- For third-party coding tools, pricing depends on that tool, not only on DeepSeek.
Never paste API keys, credentials, private repositories, customer data, or proprietary code into any hosted tool unless your organization has approved the workflow.
Is DeepSeek free for commercial use?
There is no single answer because “commercial use” can mean several things. If you use the official DeepSeek API in a commercial product, API pricing and the Open Platform Terms apply. If you use downloadable model weights commercially, check the exact model card and license for that model, including any base-model license notes for distilled models.
Do not assume that free app chat, public weights, or third-party DeepSeek access automatically grants broad commercial rights. For regulated, redistributed, or high-value commercial deployments, review the exact source, license, and terms with qualified legal or compliance support.
Free does not mean private or risk-free
Free access does not mean you should upload sensitive information. DeepSeek’s Privacy Policy says the service may collect user input such as text input, voice input, prompts, uploaded files, photos, feedback, chat history, and other content provided to the model and services. The policy also says the personal data DeepSeek collects is directly collected, processed, and stored in the People’s Republic of China.
The same policy says the services are not designed or intended to process sensitive personal data and that users should not provide sensitive personal data. Treat that as a practical rule for ordinary use.
Do not share the following with DeepSeek chat, app, API, Harness, local wrappers, or third-party tools unless your workflow is approved and secured:
- passwords, API keys, private keys, or credentials;
- confidential workplace files;
- customer data or employee records;
- proprietary source code or private repositories;
- medical, legal, financial, or identity documents;
- children’s data or regulated data;
- confidential contracts, internal strategy, or trade secrets.
Free does not mean the answer is always reliable
DeepSeek’s Terms of Use say model outputs may contain errors or omissions, are for reference only, and should not be treated as professional advice. That matters whether you are using a free chat route or a paid API route.
Verify important facts, test generated code, check dates and sources, and use qualified professionals for medical, legal, financial, or other professional decisions. Human review is especially important for decisions that affect people’s health, money, employment, housing, education, credit, insurance, law, or safety.
How to check current DeepSeek pricing
Because DeepSeek pricing and model availability can change, use this verification checklist before making decisions:
- Check the official download page for current app wording.
- Check DeepSeek Web Chat directly for current account or usage notices.
- Check the official Models & Pricing page for API prices, model IDs, peak/off-peak rules, and deduction rules.
- Check your DeepSeek API Platform account for account-specific balance or granted balance.
- Check official API updates for model or pricing changes.
- Check the exact model card and license if using open weights from GitHub or Hugging Face.
- Check the provider’s own pricing and terms if you use a third-party DeepSeek tool.
Common misconceptions about DeepSeek being free
| Misconception | More accurate answer | What to check |
|---|---|---|
| “DeepSeek is completely free.” | DeepSeek may be free for ordinary app/chat use, but the API is usage-based and local or third-party use can cost money. | Download page, API pricing page, third-party provider terms. |
| “DeepSeek is not free at all.” | The official app page says users can chat with leading AI models for free. | Official DeepSeek download page. |
| “The free app means the API is free.” | Consumer chat/app access and developer API billing are different. | Models & Pricing page. |
| “Creating an API key gives unlimited free usage.” | An API key authenticates requests; usable API calls still require balance or granted balance. | API Platform and error-code docs. |
| “Open weights mean running DeepSeek costs nothing.” | Weights may be downloadable, but inference requires compute, storage, operations, and security. | Model card, hosting cost, hardware plan. |
| “Local DeepSeek is always cheaper.” | Local cost depends on hardware, utilization, model size, engineering, and operations. | Total cost of ownership. |
| “Third-party DeepSeek tools follow official DeepSeek pricing.” | Third-party providers set their own pricing and terms. | The provider’s pricing and privacy policy. |
| “Free means safe for confidential data.” | Free access does not remove privacy, security, or compliance risk. | Privacy Policy and your organization’s rules. |
| “Free means the answers are always correct.” | DeepSeek’s terms warn that outputs may contain errors or omissions and are not professional advice. | Terms of Use and primary sources. |
Bottom line
DeepSeek is free in the way many ordinary users care about most: the official app page says users can chat with leading AI models for free, and the official website links to the web chat. But DeepSeek is not universally free. The official API is usage-based, local deployment has infrastructure costs, and third-party tools may charge separately.
For casual use, start with the official chat or app. For development, budget for API tokens and monitor balance. For open-weight or local use, count the cost of hardware, hosting, and operations. And for every route, avoid sensitive data and verify important answers before relying on them.
FAQ
Is DeepSeek free?
DeepSeek can be free for ordinary chat/app use, but it is not completely free across every product surface. The API is usage-based, local deployment can cost money, and third-party tools may charge separately.
Is DeepSeek Chat free?
The official DeepSeek website links to DeepSeek Web Chat, and the official download page says the DeepSeek app lets users chat with leading AI models for free. Exact live account limits or temporary restrictions should be checked in the current interface.
Is the DeepSeek app free?
The official download page describes the DeepSeek app as the official AI assistant and says users can chat with leading AI models for free. Use official download routes rather than unofficial app mirrors.
Is the DeepSeek API free?
No. Treat the official DeepSeek API as usage-based. The official pricing page lists prices per 1M tokens and says fees are deducted from topped-up or granted balance.
Is a DeepSeek API key free?
An API key is a credential, not unlimited free usage. API calls can fail if the account has insufficient balance, and usage is billed according to the official pricing rules.
What does DeepSeek API cost?
Current official prices are listed per 1M tokens. As of the documentation check for this article, deepseek-flash and deepseek-v4-pro have separate cached input, uncached input, and output prices, with off-peak and peak rates. Always recheck the official Models & Pricing page before budgeting.
Does DeepSeek have a subscription?
The official sources checked for this article establish free app chat wording and usage-based API pricing. They do not establish a universal consumer subscription plan. Verify any subscription, trial, or regional offer on official DeepSeek pages or app-store listings before relying on it.
Are DeepSeek models free to download?
Some DeepSeek model resources are publicly available through official GitHub and Hugging Face pages, but availability and license terms must be checked model by model. Downloadable weights do not mean free hosted inference.
Is running DeepSeek locally free?
Not automatically. Local use may avoid API token billing, but you may still pay for hardware, GPUs, storage, electricity, cloud runtime, engineering, monitoring, and security operations.
Is DeepSeek free for commercial use?
It depends on the route. Official API usage follows API pricing and Open Platform Terms. Open-weight use depends on the exact model license and any base-model license. Third-party providers have their own terms. Do not assume broad commercial rights without checking the exact source and license.
What should I avoid sharing with DeepSeek even if it is free?
Avoid passwords, API keys, private keys, confidential workplace files, customer data, proprietary code, medical records, legal files, financial records, identity documents, children’s data, and regulated data unless your workflow is approved and secured.