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Modelby DeepSeek

DeepSeek V4 Pro

DeepSeek V4 Pro is DeepSeek's high-capability model with a 1M-token context window, built for long-context reasoning, code generation, and agentic task execution. It is a strong option for engineering teams requiring deep technical analysis across large codebases and dependency ecosystems.

Provider
DeepSeek
Released
Apr 24, 2026
Context
1.0M tokens
Weights
Closed

Capabilities

  • Long Context
  • Reasoning
  • Code Generation
  • Tool Use
  • Agentic Workflows

Best For

  • Long Document Analysis
  • Agentic Workflows
  • Coding
  • Retrieval Augmented Generation
  • Dependency Analysis

Overview

DeepSeek V4 Pro is the premium tier of DeepSeek's V4 model series, featuring a 1-million-token context window and strong performance across reasoning, code generation, and agentic task workflows. Released in April 2026, it is available through OpenRouter and is designed for professional engineering use cases that demand deep technical analysis.

For software teams, V4 Pro's combination of large context and code generation makes it a capable backbone for dependency analysis agents — able to reason over complete dependency trees, write migration code, and explain the implications of version changes in a single model call.

Key Capabilities

  • 1M Token Context Window — analyse complete codebases, dependency graphs, and audit reports without chunking
  • Advanced Code Generation — high-quality code output in Python, TypeScript, Go, Rust, and more
  • Tool Use — native function-calling for interacting with package registries, APIs, and CI/CD systems
  • Deep Reasoning — multi-step chain-of-thought for complex dependency conflict resolution
  • Agentic Execution — multi-turn tool-use for autonomous engineering workflows

Use Cases for Engineering Teams

  • Full Codebase Dependency Audits — ingest entire repo manifests and generate prioritised upgrade recommendations
  • Migration Code Generation — write automated migration scripts for major dependency version upgrades
  • Transitive Dependency Analysis — trace and explain multi-level dependency chains and their conflicts
  • Security Triage — correlate CVE advisories with live dependency snapshots and generate patch plans
  • Agentic Upgrade Pipelines — orchestrate end-to-end dependency update workflows autonomously

Technical Specifications

  • Context Window: 1,048,576 tokens (≈1M)
  • Pricing: Not publicly announced at launch
  • Open Weight: No
  • Release Date: 2026-04-24

Provider

DeepSeek V4 Pro is developed by DeepSeek. For the latest information, visit the OpenRouter listing.

08:53Z[DRIFT]Next.jsNext.js is 2 major versions behind (current: 14.2.35, latest: 16.1.6).
08:54Z[OWASP]A03:2021 – InjectionUnescaped user input rendered into HTML template (src/routes/admin.ts:42)
08:52Z[SCANNER]semgrepscan signature set is up to date
08:48Z[DRIFT]of dependencies are 2+ major versions behind in acme.39% of dependencies are 2+ major versions behind in acme.
08:50Z[OWASP]A02:2021 – Cryptographic FailuresJWT secret is hardcoded — use environment variables (src/auth/jwt.ts:18)
08:45Z[SCANNER]gitleaksscan signature set is up to date
08:43Z[DRIFT]@types/node@types/node is 3 major versions behind (spec: 22.15.29, latest: 25.2.3).
08:46Z[OWASP]A03:2021 – InjectionRegular expression built from user input — potential ReDoS (src/utils/search.ts:67)
08:38Z[SCANNER]trufflehogstatus: unavailable
08:38Z[DRIFT]electronelectron is 3 major versions behind (spec: ^37.6.0, latest: 40.4.1).
08:42Z[OWASP]A03:2021 – InjectiondangerouslySetInnerHTML used with potentially untrusted content (src/components/RichText.tsx:31)
08:33Z[DRIFT]@types/node@types/node is 5 major versions behind (spec: ^20.17.52, latest: 25.2.3).
08:38Z[OWASP]A05:2021 – Security MisconfigurationCookie set without httpOnly or secure flags (src/middleware/session.ts:12)
08:28Z[DRIFT]@types/supertest@types/supertest is 4 major versions behind (spec: ^2.0.16, latest: 6.0.3).
08:34Z[OWASP]A03:2021 – Injectioneval() called with dynamic expression (src/utils/template-engine.ts:88)
08:23Z[DRIFT]VitestVitest is 4 major versions behind (current: 0.34.6, latest: 4.0.18).
08:30Z[OWASP]A01:2021 – Broken Access ControlRedirect URL comes from user-controlled parameter (src/pages/auth/callback.tsx:15)
08:18Z[DRIFT]@types/node@types/node is 5 major versions behind (spec: ^20.8.0, latest: 25.2.3).
08:26Z[OWASP]A03:2021 – InjectionUnsanitised input passed to MongoDB query (src/services/users.ts:34)
08:13Z[DRIFT]vitestvitest is 4 major versions behind (spec: ^0.34.6, latest: 4.0.18).
08:22Z[OWASP]A03:2021 – InjectionChild process spawned with user-controlled arguments (src/utils/pdf-generator.ts:52)
08:08Z[DRIFT]of dependencies are 2+ major versions behind in @acme/api.31% of dependencies are 2+ major versions behind in @acme/api.
08:18Z[OWASP]A05:2021 – Security MisconfigurationExternal link opened without rel="noreferrer" (src/components/ExternalLink.tsx:8)
08:03Z[DRIFT]@types/node@types/node is 5 major versions behind (spec: ^20.11.0, latest: 25.2.3).
08:14Z[OWASP]A02:2021 – Cryptographic FailuresMath.random() used for token generation — use crypto.randomBytes (src/utils/token.ts:6)
07:58Z[DRIFT]of dependencies are 2+ major versions behind in @acme/workflow-engine.52% of dependencies are 2+ major versions behind in @acme/workflow-engine.
08:10Z[OWASP]A05:2021 – Security MisconfigurationExpress app without Helmet security headers middleware (src/server.ts:1)
07:53Z[DRIFT]@types/node@types/node is 5 major versions behind (spec: ^20.19.9, latest: 25.2.3).
07:48Z[DRIFT]@types/node@types/node is 3 major versions behind (spec: ^22.15.29, latest: 25.2.3).
08:53Z[DRIFT]Next.jsNext.js is 2 major versions behind (current: 14.2.35, latest: 16.1.6).
08:54Z[OWASP]A03:2021 – InjectionUnescaped user input rendered into HTML template (src/routes/admin.ts:42)
08:52Z[SCANNER]semgrepscan signature set is up to date
08:48Z[DRIFT]of dependencies are 2+ major versions behind in acme.39% of dependencies are 2+ major versions behind in acme.
08:50Z[OWASP]A02:2021 – Cryptographic FailuresJWT secret is hardcoded — use environment variables (src/auth/jwt.ts:18)
08:45Z[SCANNER]gitleaksscan signature set is up to date
08:43Z[DRIFT]@types/node@types/node is 3 major versions behind (spec: 22.15.29, latest: 25.2.3).
08:46Z[OWASP]A03:2021 – InjectionRegular expression built from user input — potential ReDoS (src/utils/search.ts:67)
08:38Z[SCANNER]trufflehogstatus: unavailable
08:38Z[DRIFT]electronelectron is 3 major versions behind (spec: ^37.6.0, latest: 40.4.1).
08:42Z[OWASP]A03:2021 – InjectiondangerouslySetInnerHTML used with potentially untrusted content (src/components/RichText.tsx:31)
08:33Z[DRIFT]@types/node@types/node is 5 major versions behind (spec: ^20.17.52, latest: 25.2.3).
08:38Z[OWASP]A05:2021 – Security MisconfigurationCookie set without httpOnly or secure flags (src/middleware/session.ts:12)
08:28Z[DRIFT]@types/supertest@types/supertest is 4 major versions behind (spec: ^2.0.16, latest: 6.0.3).
08:34Z[OWASP]A03:2021 – Injectioneval() called with dynamic expression (src/utils/template-engine.ts:88)
08:23Z[DRIFT]VitestVitest is 4 major versions behind (current: 0.34.6, latest: 4.0.18).
08:30Z[OWASP]A01:2021 – Broken Access ControlRedirect URL comes from user-controlled parameter (src/pages/auth/callback.tsx:15)
08:18Z[DRIFT]@types/node@types/node is 5 major versions behind (spec: ^20.8.0, latest: 25.2.3).
08:26Z[OWASP]A03:2021 – InjectionUnsanitised input passed to MongoDB query (src/services/users.ts:34)
08:13Z[DRIFT]vitestvitest is 4 major versions behind (spec: ^0.34.6, latest: 4.0.18).
08:22Z[OWASP]A03:2021 – InjectionChild process spawned with user-controlled arguments (src/utils/pdf-generator.ts:52)
08:08Z[DRIFT]of dependencies are 2+ major versions behind in @acme/api.31% of dependencies are 2+ major versions behind in @acme/api.
08:18Z[OWASP]A05:2021 – Security MisconfigurationExternal link opened without rel="noreferrer" (src/components/ExternalLink.tsx:8)
08:03Z[DRIFT]@types/node@types/node is 5 major versions behind (spec: ^20.11.0, latest: 25.2.3).
08:14Z[OWASP]A02:2021 – Cryptographic FailuresMath.random() used for token generation — use crypto.randomBytes (src/utils/token.ts:6)
07:58Z[DRIFT]of dependencies are 2+ major versions behind in @acme/workflow-engine.52% of dependencies are 2+ major versions behind in @acme/workflow-engine.
08:10Z[OWASP]A05:2021 – Security MisconfigurationExpress app without Helmet security headers middleware (src/server.ts:1)
07:53Z[DRIFT]@types/node@types/node is 5 major versions behind (spec: ^20.19.9, latest: 25.2.3).
07:48Z[DRIFT]@types/node@types/node is 3 major versions behind (spec: ^22.15.29, latest: 25.2.3).