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Modelby DeepSeek

DeepSeek V4 Flash

DeepSeek V4 Flash is the speed-optimised tier in DeepSeek's V4 series, pairing a 1M-token context window with lower inference latency. It is designed for real-time engineering applications, streaming agent workflows, and CI/CD-integrated dependency tooling.

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

Capabilities

  • Long Context
  • Reasoning
  • Code Generation
  • Tool Use
  • Chat

Best For

  • Low Latency Long Context
  • Chat
  • Agentic Workflows
  • Coding
  • Ci Cd Integration

Overview

DeepSeek V4 Flash delivers the large 1-million-token context of DeepSeek V4 with optimised inference speed. Released alongside V4 Pro in April 2026, it targets workloads where near-real-time responses are required — pipeline integrations, live developer tooling, and continuous monitoring agents.

For engineering teams, the Flash variant is a practical choice for CI/CD-integrated dependency checks where response time directly impacts developer feedback loop speed. Its code generation and tool-use capabilities make it equally useful for generating patch suggestions on the fly.

Key Capabilities

  • 1M Token Context Window — process complete dependency manifests and audit logs without chunking
  • Optimised Latency — faster inference than the Pro tier for time-sensitive applications
  • Code Generation — capable code output for automated patch and migration script generation
  • Tool Use — function-calling for live integration with package registries and pipeline APIs
  • Long-Context Reasoning — maintain coherence across very large technical inputs

Use Cases for Engineering Teams

  • PR Dependency Checks — run fast, context-aware dependency drift checks on every pull request
  • Live Agent Workflows — power real-time CI/CD agents that respond to dependency events as they happen
  • Automated Patch Suggestions — generate inline patch suggestions for vulnerable or outdated dependencies
  • High-Throughput Manifest Scanning — batch-process lockfile changes across large engineering organisations
  • Developer Chat Tools — back low-latency chatbots that answer dependency and versioning questions in real time

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

Documentation

View Official Docs

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Tags

low latencylong contextcode generationdeepseekflashtool use
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