Models & Labs

DeepSeek launches new open-source AI model V4

MIT Technology Review AIApril 24, 2026medium confidence

Why it matters

→The release of V4 enhances access to advanced AI tools for developers and companies, promoting innovation in the field.

DeepSeek launches new open-source AI model V4 — ©MIT Technology Review AI

Chinese AI firm DeepSeek has released a preview of its new flagship model, V4, which can process longer prompts and is open source. This release follows the success of its previous model, R1, and aims to provide advanced AI capabilities at lower costs.

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The story around this

Earlier coverage that leads up to this article, and what followed. Lines connect each piece to the closest one after it, converging here.

How we got here

1
Mamba-3: New Open-Source Inference Model
Together AI Blog · March 17, 2026 · Background
2
Google Releases Open Source AI Model Gemma 4
Fireship · April 8, 2026 · Related
3
Google Open-Sources Gemma 4 Model
Lev Selector · April 10, 2026 · Background

What happened next

4
DeepSeek Eyes $45B Valuation in First Funding Round
TechCrunch AI · May 6, 2026 · Related
5
DeepSeek V4 Flash Released
Lev Selector · July 31, 2026 · Same story
6
Alibaba and DeepSeek advance China's AI model race
AI News · August 5, 2026 · Same story
7
DeepSeek-V4-Pro Released for Enhanced Search
Matt Wolfe · August 14, 2026 · Related
8
DeepSeek Releases Next-Gen Open Source Coding Agent
Cole Medin · August 20, 2026 · Same story

Follow this story

Open the full story →

DeepSeek V4 Paper Released

10 developments

Apr 24 · AI Explained
DeepSeek V4 Paper Released
Apr 24 · Lev Selector
DeepSeek V4 Launches with 1.6 Trillion Parameters↳ DeepSeek V4 has 1.6 trillion parameters.
Apr 24 · MIT Technology Review AI
DeepSeek launches new open-source AI model V4 (This article)↳ DeepSeek V4 can process longer prompts than previously stated.
Apr 27 · The Rundown AI
DeepSeek Launches Affordable V4 AI Model
Apr 28 · The AI Daily Brief
DeepSeek V4 Launches with Million-Token Context
Apr 29 · Together AI Blog
DeepSeek-V4 Pro Launches on Together AI↳ DeepSeek-V4 Pro launches on Together AI with 512K context, controllable reasoning modes, and cached-input pricing.
May 1 · Matt Wolfe
DeepSeek V4 Preview Released
May 1 · Lev Selector
DeepSeek V4 Pro Launches with 1.6T Parameters
May 2 · Matt Wolfe
DeepSeek V4 Offers Cost-Effective AI Solution
May 8 · Together AI Blog
DeepSeek-V4 Tackles Million-Token Context Challenge↳ DeepSeek-V4 uses hybrid attention to compress context before KV storage, reducing memory pressure on NVIDIA HGX B200.

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