# DeepSeek Reasoner Projects at AI Tinkerers

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> Markdown URL: https://aitinkerers.org/technologies/deepseek-reasoner.md
> Technology record last updated: 2026-06-25T22:05:30Z
> Generated: 2026-10-24T03:54:54Z

DeepSeek Reasoner is a specialized API model designed for complex math, coding, and logical tasks using an explicit, visible Chain of Thought.

DeepSeek Reasoner (accessed via the deepseek-reasoner model identifier) is built for developers who need high-precision logical processing without the steep price tag of traditional reasoning models. Operating on an OpenAI-compatible API format, the model outputs an explicit Chain of Thought (CoT) before delivering its final response, allowing users to inspect the system's step-by-step thinking process. With a massive 1M-token context window and competitive pricing ($0.14 per million input tokens and $0.28 per million output tokens), it delivers top-tier performance on complex mathematical proofs, code generation, and scientific reasoning tasks.

- Official technology site: https://api-docs.deepseek.com/guides/reasoning_model
- Public AI Tinkerers demos and talks: 0
- Result page: 1 of 1

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