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AI · head to head

DeepSeek vs Mistral AI

DeepSeek logo

DeepSeek

AI

Chinese AI lab offering reasoning models via web and API

From
Free
Free plan
Yes
Full reviewWebsite
Mistral AI logo

Mistral AI

Machine Learning

European AI lab with open models, API platform and Le Chat assistant

From
On request
Free plan
No
Full reviewWebsite

The short version

  • Only DeepSeek has a free tier, so it costs nothing to try first.
  • Each has a real cost: DeepSeek specific pricing details not published on homepage; API pricing page referenced but content not available; Mistral AI smaller model selection compared to OpenAI; Mistral Medium 3.5 significantly more expensive than competing mid-tier models
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which DeepSeek and Mistral AI actually diverge.

Attributes where DeepSeek and Mistral AI differ
AttributeDeepSeekMistral AI
Starting priceFreeOn request
Pricing modelfreemiumusage-based
Free tierYesNo
PlatformsWeb, iOS, Android, APIWeb, API, Self-hosted, Cloud (AWS, Google Cloud, Azure, SAP, IBM, Snowflake, NVIDIA, Outscale)
CategoryAIMachine Learning

Identical on both: user rating (Not yet rated).

What people use each for

The jobs each tool is most often brought in to do.

DeepSeek

  • Large language model and AI chat interfacenot Mistral AI
  • API-based AI service for developersnot Mistral AI
  • Natural language processing applicationsnot Mistral AI

Mistral AI

  • EU-regulated workloads requiring data residency outside USnot DeepSeek
  • Custom model training and domain-specific fine-tuningnot DeepSeek
  • Multi-modal document processing with OCRnot DeepSeek
  • Autonomous development with Vibe for Codenot DeepSeek

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

DeepSeek

  • Specific pricing details not published on homepage; API pricing page referenced but content not available
  • No published tier information, costs, or feature limitations on main website
  • Free web interface available but API pricing models not disclosed

Mistral AI

  • Smaller model selection compared to OpenAI; Mistral Medium 3.5 significantly more expensive than competing mid-tier models
  • Batch processing only available at 50% discount, not free tier
  • No free tier; all API access requires payment

Pricing, plan by plan

DeepSeek

Free
  • Web ChatFree
    • Conversation access
    • Latest model access
  • API$undefined/variable
    • Pay-per-token pricing
    • Multiple models available

Mistral AI

On request
  • Mistral Small 4$0.15/per million input tokens
    • Multimodal
    • Multilingual
    • Apache 2.0 license
  • Mistral Small 4 output$0.6/per million output tokens
    • Same model
  • Mistral Large 3$0.5/per million input tokens
    • General-purpose flagship
  • Mistral Large 3 output$1.5/per million output tokens
    • Same model

Which should you pick?

Choose DeepSeek if

  • You want to start without paying.
  • You work on Web, iOS, Android, API.
DeepSeek review

Choose Mistral AI if

  • You work on Web, API, Self-hosted, Cloud (AWS, Google Cloud, Azure, SAP, IBM, Snowflake, NVIDIA, Outscale).
Mistral AI review

Questions people ask

Is DeepSeek or Mistral AI better?
Neither clearly leads. DeepSeek starts at Free and Mistral AI at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, DeepSeek or Mistral AI?
DeepSeek has a free tier; the other does not. Paid plans start at Free for DeepSeek and On request for Mistral AI.
Does DeepSeek or Mistral AI run on more platforms?
DeepSeek runs on Web, iOS, Android, API. Mistral AI runs on Web, API, Self-hosted, Cloud (AWS, Google Cloud, Azure, SAP, IBM, Snowflake, NVIDIA, Outscale).
Can I use DeepSeek for free?
Yes. DeepSeek has a free tier, so you can try it without paying. Mistral AI starts at On request.
What is DeepSeek best used for?
DeepSeek is most often used for large language model and ai chat interface, api-based ai service for developers, natural language processing applications. Of those, large language model and ai chat interface and api-based ai service for developers are not what Mistral AI is typically brought in for.

Answered from the vendors’ own pages

DeepSeek: Does DeepSeek offer a free version?

Yes, DeepSeek offers free conversations through its web interface. Specific free tier limitations and API pricing are available at https://api-docs.deepseek.com/zh-cn/quick_start/pricing.

Source
Mistral AI: How much does Mistral AI cost?

Mistral AI offers a free plan with 10 USD/month in API credits, Pro at 14.99 USD/month with 30 USD/month in credits, and Team at 24.99 USD per user/month with a 50 USD minimum.

Source
DeepSeek: What is DeepSeek's pricing model?

DeepSeek references both free web-based conversations and paid API access. Detailed API pricing information is published on their API documentation site but not on the main homepage.

Source
Mistral AI: Is there a free plan?

Yes, Mistral AI includes a free plan with 10 USD/month in API credits, Studio access, and 100+ connectors for limited use.

Source
DeepSeek: Can I use DeepSeek for commercial purposes?

DeepSeek's terms for commercial use are not clearly stated on the homepage. Contact DeepSeek or review their API documentation for commercial licensing and pricing information.

Source
Mistral AI: What are the API costs?

API pricing is per million tokens for most models with input and output charged separately; OCR costs per 1,000 pages; speech models charged per minute.

Source
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