# DeepSeek's V4 Flash and V4 Pro AI models are focused on reasoning and agentic AI tasks.

*genai · news · 2026-04-24 · CNET*

## Key points

- DeepSeek's V4 models use a Hybrid Attention Architecture to retain query context over long prompt sequences.
- DeepSeek V4 models support longer documents or code as prompts and can run on cheaper hardware.
- OpenAI launched GPT-5.5 with a focus on coding, computer use, and research for paying subscribers.
- Anthropic's Opus 4.7 model takes prompts more literally and upgrades the aesthetics of generated documents.
- Anthropic's more advanced Mythos AI remains unreleased, cited as a cybersecurity risk by the company.

**Companies:** OpenAI, Anthropic, DeepSeek
**Countries:** China, United States

[Read the full story on CNET](https://www.cnet.com/tech/services-and-software/openai-deepseek-anthropic-new-ai-models/)

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