# DeepSeek V4 Flash

> The V4 Flash model, here through the Vercel AI Gateway.

- Maker: DeepSeek (https://api-docs.deepseek.com)
- Type: Reasoning, open weights
- Artificial Analysis Intelligence Index: Not scored yet
- Context window: not listed
- Output speed: not listed
- Scores checked 30 October 2026 at https://artificialanalysis.ai/leaderboards/models

## Where to use it through an API

- Vercel AI Gateway: model id `deepseek/deepseek-v4-flash` (free key available)

## Use it free

- Vercel AI Gateway free API key: how to get one: https://www.multiscreenai.com/free/vercel-ai-gateway-api-key

## Use it with every other AI at once

MultiScreenAI (https://www.multiscreenai.com) puts DeepSeek V4 Flash on one screen next to ChatGPT, Claude, Gemini and 300+ models: one message goes to every panel, and a timed, blind test mode shows which answers best. Free during the beta with your own API keys.
AI agents and coding harnesses (Claude Code, Codex, Cursor, Gemini CLI) can ask DeepSeek V4 Flash and other models at once through the MCP server at https://www.multiscreenai.com/api/mcp/ai; setup: https://www.multiscreenai.com/mcp