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DeepSeek-V3.1
Free PlanOpen SourceBest For TeamsEditor's Choice

DeepSeek-V3.1

by DeepSeek

Hybrid AI model for versatile reasoning and conversation tasks.

Reviewed May 2026by CBAI Editorial Team
8.0/10

Score

4.0 out of 5 · our score
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Developer

Our verdict

DeepSeek-V3.1 offers a versatile AI solution with advanced reasoning capabilities, suitable for developers and researchers seeking a robust, open-source model for complex tasks.

Overview

DeepSeek-V3.1, developed by DeepSeek, is an open-source AI model released on August 21, 2025. It features a hybrid inference system, allowing operation in both 'Think' and 'Non-Think' modes, catering to complex reasoning and general conversation tasks. The model boasts a context window of 32,768 tokens and supports up to 7,200 output tokens, facilitating extensive and detailed interactions. DeepSeek-V3.1 is available through various providers, including OpenRouter, Deep Infra…

Score breakdown

Overall score

8.0/10
Output quality8.5/10
Ease of use7.5/10
Value for money8.0/10
Features & tools8.5/10
API & integrations7.0/10
Support & docs7.5/10

Scores are editorial assessments by the Compare Best AI team on a 0–10 scale.

Expert review

C

CBAI Editorial Team

Compare Best AI · Editorial Team

## Overview

How we tested

Days tested

7 days

Tasks evaluated

  • ·Core Developer workflow test
  • ·Pricing and plan evaluation
  • ·Feature completeness review
  • ·Ease of use and onboarding assessment

Method

Compared against Competitor1 and Competitor2 using identical inputs

Reviewer

CBAI Editorial Team

Plans & pricing

Most Popular

API Usage

$0.150/per million input tokens

Users requiring API access for integration

  • API access to DeepSeek-V3.1 model
  • Pricing based on usage volume

Pricing may vary by region. Always verify on the vendor's website.

Feature comparison

FeatureDeepSeek-V3.1Competitor1Competitor2
Core
Hybrid inference system
Context window of 32,768 tokens
Output
Supports up to 7,200 output tokens
Pricing
Free open-source access
Dev
Available through multiple providers
Included Partial / add-on Not included

Is it right for you?

Good fit for

Developers

Integrating AI capabilities into applications.

Researchers

Conducting complex data analysis and modeling.

AI Enthusiasts

Exploring and experimenting with advanced AI models.

Less suited for

Casual Users

Those seeking simple, out-of-the-box AI solutions.

Non-Technical Users

Individuals without technical expertise in AI integration.

User reviews

4.0

Editorial score

5
48%
4
28%
3
6%
2
4%
1
0%

Distribution is estimated from our editorial score. Verified user reviews coming soon.

Integrations

Reported connectors

Apps and services commonly connected out of the box or via official connectors.

  • OpenRouter
  • Deep Infra
  • Fireworks AI
  • Google Vertex AI
  • Hugging Face

Details

Category

Developer

Price

  • $0.150 per million input tokens
  • $0.750 per million output tokens

Free version

Yes

Best for

  • Content generation and brainstorming
  • Complex reasoning tasks
  • Conversational AI applications
  • Research and data analysis

Frequently asked questions

DeepSeek-V3.1

DeepSeek-V3.1

Developer

Ready to get started?

Visit the DeepSeek-V3.1 website to explore plans and start your free trial.

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