Stackology
DeepSeek logo
AI Assistants·Paid·www.deepseek.com

DeepSeek

Reasoning and code AI with free web access

Best for
Building AI agents that reason across multiple steps before acting Code generation and debugging with context windows up to 1M tokens API integration for teams already using OpenAI or Anthropic SDKs Semantic search and long-document analysis requiring extended context Cost-sensitive production inference where per-token economics matter
Platforms
Web · iOS · Android · API
Starting price
N/A
We may earn a commission if you subscribe. No extra cost to you.
Pricing model
Paid
From N/A
Platforms
Web · iOS · Android · API
Free plan
Free Plan
Integrations
2
2 api
Updated
2026.04.30
Pricing

Plans and pricing

ModelPaidCurrencyUSDBillingUsage
Free (Web & App)
General users wanting free AI chat on web, iOS, and Android
Free
  • +Full DeepSeek-V4-Flash model access in chat mode
  • +Web search
  • +Thinking mode (chain-of-thought)
  • +File upload with text extraction
  • +Cross-platform chat history sync
  • +No ads or in-app purchases
Get Free (Web & App)
deepseek-v4-pro API
Developers requiring maximum reasoning performance
Contact
  • +1M context length
  • +Max output 384K tokens
  • +Thinking (default) and non-thinking modes
  • +JSON output
  • +Tool calls
  • +Chat prefix completion (Beta)
  • +Context caching
  • +75% launch discount through 2026-05-31
  • +Pay-as-you-go top-up billing
Talk to sales
Updated · 2026.04.30Plans and prices can change. Always check the vendor's site for the latest.
Things to check

What stands out. What to look into.

We flagged capabilities that look strong and areas worth a closer look. These are not verdicts. Check anything that matters to your use case directly with the vendor.

+Looks strong4
Worth checking2
Features · 12

Features and capabilities.

A snapshot of what this tool does, based on what the vendor publishes. Enough to know if it is worth a closer look.

Integrations · 2

What it connects to.

Connections we have found available for this tool. Not exhaustive, integrations change. Check the vendor's site for the full list.

API2
LangChain
Tool Calls
Use cases · 4

Ways people use it.

A few examples of how this tool gets used. Not a complete picture, there are plenty more.

Alternatives

If DeepSeek isn't right for you.

Other tools in the same category worth considering.

Ready to try it

Visit DeepSeek.

Pricing confirmed 2026.04.30. We may earn a commission if you subscribe. No extra cost to you.

Common questions

Frequently asked about DeepSeek

Does DeepSeek have a free plan?

Yes, DeepSeek has a free plan available.

How much does DeepSeek cost?

DeepSeek pricing is available on request. Contact the vendor directly for a quote.

What does DeepSeek integrate with?

Based on vendor documentation, DeepSeek connects with LangChain, Tool Calls. Check the vendor's site for the complete list.

What platforms does DeepSeek support?

DeepSeek is available on Web, iOS, Android, API.