DeepSeek

DeepSeek AI News & Updates5 Updates

The latest AI news and updates of DeepSeek — AI lab focused on AGI research, building open-weight models known for cost-efficient frontier performance. Covering DeepSeek's latest launches from the past 90 days.

DeepSeekDeepSeekSep 10

DeepSeek Launches V4.1-Flash Model and Migrates V4-Pro Users

DeepSeek launched DeepSeek-V4.1-Flash, a 552B-parameter multimodal Mixture-of-Experts model featuring a Causal Encoder-Decoder architecture that activates 8B parameters for input and 16B for output. The model supports a 1-million-token context window and reduces KV cache footprint by 75%. DeepSeek is retiring its V4-Flash variants and will route all V4-Pro API requests to V4.1-Flash starting September 14, 2026.

Read more
DeepSeekDeepSeekAug 22

DeepSeek Launches Experimental Multimodal V4-Flash-Vision-Exp Model

DeepSeek released the experimental deepseek-v4-flash-vision-exp model, which adds image understanding to the V4-Flash text model. It matches V4-Flash on text capabilities and shows significant gains on multimodal agent benchmarks. The model supports image input via base64, URLs, or the new Files API, and DeepSeek Harness 0.1.1 now includes out-of-the-box support for the new vision capabilities.

Read more
DeepSeekDeepSeekAug 13

DeepSeek Ships Developer Preview of Modular Open-Source Agent Harness

DeepSeek released the developer preview of DeepSeek Harness, an open-source agent framework licensed under MIT. Powered by the Cordis meta-framework, the harness uses a modular architecture where models, tools, skills, and orchestration loops are implemented as swappable plugins. The framework is available via npm for developers to build and extend custom agent systems.

Read more
DeepSeekDeepSeekAug 13

DeepSeek Releases V4-Pro GA with Flexible Reasoning and Peak-Off-Peak Pricing

DeepSeek released the general availability version of DeepSeek-V4-Pro, featuring enhanced agent performance and new flexible reasoning effort controls for the V4 model family. The update adds native OpenAI Responses API support and introduces peak and off-peak API pricing, with off-peak rates set at 50% of peak costs starting August 16, 2026.

Read more
DeepSeekDeepSeekJul 31

DeepSeek Releases V4-Flash API Beta Featuring Agent Upgrades and Codex Integration

DeepSeek released the V4-Flash API in public beta, featuring agent capabilities that significantly outperform the V4-Pro-Preview on coding and tool-use benchmarks. The update adds native support for the Responses API and full integration with Codex, allowing the model to run directly in the Codex CLI, ChatGPT desktop app, and VS Code extension via a unified configuration.

Read more

Frequently asked questions

DeepSeek is AI lab focused on AGI research, building open-weight models known for cost-efficient frontier performance. HeadsUpAI tracks DeepSeek across the AI ecosystem and curates every significant update — the latest being "DeepSeek Launches V4.1-Flash Model and Migrates V4-Pro Users" (September 10, 2026) — so you get the whole story in a 30-second read.

The most recent DeepSeek update is "DeepSeek Launches V4.1-Flash Model and Migrates V4-Pro Users" (September 10, 2026). HeadsUpAI curates every significant DeepSeek release as a 30-second read — what shipped and why it matters.

The latest DeepSeek updates: "DeepSeek Launches V4.1-Flash Model and Migrates V4-Pro Users", "DeepSeek Launches Experimental Multimodal V4-Flash-Vision-Exp Model", "DeepSeek Ships Developer Preview of Modular Open-Source Agent Harness", "DeepSeek Releases V4-Pro GA with Flexible Reasoning and Peak-Off-Peak Pricing", and "DeepSeek Releases V4-Flash API Beta Featuring Agent Upgrades and Codex Integration". HeadsUpAI has curated 5 DeepSeek updates over the last 90 days, covering launches — listed newest first, presented straight, no hype, no bias.

DeepSeek is AI lab focused on AGI research, building open-weight models known for cost-efficient frontier performance. On this page you'll find every significant DeepSeek development HeadsUpAI has tracked recently — launches — so you can keep up with where DeepSeek is heading without reading a dozen sources.

Continuously. HeadsUpAI adds new DeepSeek updates as they're announced — usually within hours — and the 5 updates currently shown cover the past 90 days, newest first.