# DeepSeek Reasoner

> DeepSeek's own API name for its current reasoning model, which shows its thinking.

- Maker: DeepSeek (https://api-docs.deepseek.com)
- Type: Reasoning
- 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

- DeepSeek: model id `deepseek-reasoner`, shows its thinking

## Use it with every other AI at once

MultiScreenAI (https://www.multiscreenai.com) puts DeepSeek Reasoner 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 Reasoner and other models at once through the MCP server at https://www.multiscreenai.com/api/mcp/ai; setup: https://www.multiscreenai.com/mcp