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AI for Developers

DeepSeek — AI for Software Development

Access DeepSeek's AI models like DeepSeek-V4-Pro with expanded agent capabilities, Codex support, and API access.

What is DeepSeek?

DeepSeek: Access DeepSeek's AI models like DeepSeek-V4-Pro with expanded agent capabilities, Codex support, and API access. It has a free plan. Zekai scores it 8.9 out of 10 after independent testing. Best for software developers, AI engineers, and researchers looking for foundation models and developer APIs.

Best forAI for Developers
DifferentiatorProvides foundation models like DeepSeek-V4-Pro via web, mobile app, and API platforms with Codex support and Responses API.
Try DeepSeek
Free Plan
Free plan verified · free AI tools for Developers
8.9 Zekai
Capable AI developer API
AI for Software Development
Ease of Use
8.4
Accuracy
9.0
Value
9.4
Time Saving
8.8
API AccessAgent ModelsCodex SupportDeepSeek HarnessWeb & Mobile App
📊 Independently reviewed and scored. How we score →
✍️ Reviewed by Zekai Editorial Team · Updated September 10, 2026
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Zekai Verdict

What is it?
DeepSeek provides AI models including DeepSeek-V4-Pro, DeepSeek R1, and DeepSeek V3 via web, mobile app, and API platforms.
Best for
AI for Software Development
Not ideal for
API pricing rates are not listed directly on the landing page
Price
Free plan
Zekai Score
8.9/10
Visit official site ↗Compare alternatives →Why this score →
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Hand-scored by Zekai

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⚡ Quick answer

DeepSeek is an AI platform provided by Hangzhou DeepSeek Artificial Intelligence Basic Technology Research Co., Ltd. It offers AI models such as DeepSeek-V4-Pro, DeepSeek R1, and DeepSeek V3 accessible through web chat, mobile app, and API services. Developers can use it for software development via Responses API and Codex integration.

CategoryAI for Software Development
Best forSoftware developers, AI engineers, and researchers looking for foundation models and developer APIs.
Free planyes
DifferentiatorProvides foundation models like DeepSeek-V4-Pro via web, mobile app, and API platforms with Codex support and Responses API.
Rating4.5
📖 About DeepSeek
How It Works

Your workflow, automated

1
Choose Access Channel
Select between the free web chat, mobile app, or the API open platform.
2
Consult Documentation
Review API documentation and set up Responses API or Codex connections.
3
Deploy Models
Integrate DeepSeek-V4-Pro or other model versions into your software environment.
Ready to automate your workflow with DeepSeek?
Try DeepSeek →
Real Impact

Before & After

❌ Before

Building AI software features requires manually constructing pipelines without direct support for agentic endpoints or Codex integrations.

Manual integration
✅ After

You can connect directly to DeepSeek-V4-Pro using Codex and Responses API endpoints across web, app, and backend environments.

Direct API access
AI Prompts

Prompts for Developers

Prompt 01 The SQL Query Generator with Schema Context
CREATE TABLE users ( id SERIAL PRIMARY KEY, name VARCHAR(100), email VARCHAR(100) UNIQUE, created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW() ); CREATE TABLE orders ( id SERIAL PRIMARY KEY, user_id INTEGER REFERENCES users(id), amount…
Prompt 02 The MCP-Aware Database Migration Agent
(for interacting with the Prisma schema and CLI) *
Prompt 03 The Agentic E2E Test Runner
(for creating GitHub issues) Scenario: The "new user registration" feature has been deployed to the staging environment at
See all 15 AI prompts for Developers →
Social Proof

Trusted by professionals

Ease of Use
8.4
Accuracy
9.0
Value
9.4
Time Saving
8.8
Start Free Today →
Connects With

DeepSeek integrations

Codex Responses API
Setup complexity: Moderate
DeepSeek provides AI models including DeepSeek-V4-Pro, DeepSeek R1, and DeepSeek V3 via web, mobile app, and API platforms. Software developers can build applications using its Responses API and Codex integration options. The platform offers conversational web access alongside developer documentation and API services.
The decision

Is DeepSeek worth it?

Built for
Software developers, AI engineers, and researchers looking for foundation models and developer APIs.
Effort to adopt
Moderate
Who It's For

Why Software Development choose this tool

🎯
Built for
AI for Software Development
In-Depth Overview
When evaluating AI tools for software development, you need direct access to foundation models through web interfaces, mobile apps, and dedicated API infrastructure. DeepSeek offers its flagship DeepSeek-V4-Pro model alongside prior iterations like DeepSeek V3.2, V3.1, R1, and V3. For developers building software applications, the platform supports specialized workflows through its Responses API and Codex integration, allowing you to connect language model outputs directly into your developer ecosystem. You can start using DeepSeek through free web-based conversations or deploy its models commercially using the API open platform. The addition of DeepSeek Harness and comprehensive API documentation gives software teams structured tools for testing, feedback, and backend deployment. DeepSeek-V4-Pro focuses specifically on enhanced agent capabilities, making it useful when you need automated decision-making or agentic tasks inside developer tools. While the web interface allows quick testing, deploying production workloads requires navigating API access and monitoring platform status. Because the company publishes distinct model versions and research iterations, you can choose specific model tiers based on your technical needs and integration constraints across app, web, and API channels.

Key Use Cases

💻
Integrate Codex into developer workflows
Software Engineer
Connect DeepSeek models to code generation processes using Codex integration and the Responses API.
Codex integration
🤖
Deploy DeepSeek-V4-Pro for agentic tasks
AI Developer
Build agent-driven applications using the upgraded agent capabilities in DeepSeek-V4-Pro.
V4-Pro Agent API
✓ Pros
Free conversation option available on the web
Cross-platform support across web, mobile app, and API
Integrated support for Codex and Responses API
Multiple model versions available including V4-Pro and R1
Dedicated API platform and documentation provided
· Cons
API pricing rates are not listed directly on the landing page
Requires account setup to access detailed API configuration
Limited immediate context on public benchmark performance on main page
App access requires scanning a QR code
⚡ Editorial Verdict

DeepSeek provides access to models like DeepSeek-V4-Pro with API endpoints and web access. However, specific performance benchmarks and API pricing rates are not detailed directly on the homepage, requiring you to access documentation for complete evaluation.

See all 847 AI tools for Developers → Browse the AI Directory →
Questions & Answers

Frequently asked questions

Is DeepSeek free to use?

+
DeepSeek offers free web-based conversations, while API usage is managed through its API Open Platform.

What models are available on DeepSeek?

+
Available models listed include DeepSeek-V4-Pro, DeepSeek V4, DeepSeek V3.2, DeepSeek V3.1, DeepSeek R1, and DeepSeek V3.

Last reviewed:

Plans & Pricing

DeepSeek pricing and plans

Free
$0
Free chat available on web and mobile app.
Get Started Free

Prices and features are updated regularly but can change at any time — always confirm on the official website. Some links on this page are affiliate links.

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About DeepSeek

Full Description

DeepSeek provides AI models including DeepSeek-V4-Pro, DeepSeek R1, and DeepSeek V3 via web, mobile app, and API platforms. Software developers can build applications using its Responses API and Codex integration options. The platform offers conversational web access alongside developer documentation and API services.

Editorial Verdict

DeepSeek provides access to models like DeepSeek-V4-Pro with API endpoints and web access. However, specific performance benchmarks and API pricing rates are not detailed directly on the homepage, requiring you to access documentation for complete evaluation.

Last reviewed:
Disclaimer
Zekai is an independent AI tools directory. We are not affiliated with, endorsed by, or officially connected to DeepSeek unless clearly stated. All product names, logos, and brands are the property of their respective owners and are used for identification purposes only. The information on this page — including pricing, features, and availability — is general information, may have changed since our last review, and is not professional advice. Zekai Scores and verdicts are our editorial opinion. Some outbound links are affiliate links that may earn us a commission at no extra cost to you. Spotted outdated or incorrect information? Request a correction →
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