DeepSeek
A capable, cost-efficient model family — strong at reasoning and code, often open-weight.
What it is
DeepSeek offers powerful assistant and reasoning models known for strong performance at low cost, with open-weight releases that teams can self-host. Popular for coding and step-by-step reasoning.
Best for
- Cost-sensitive teams that still want strong reasoning.
- Developers who want to self-host an open model.
Best practices
- Ask for step-by-step reasoning on hard problems.
- For production, evaluate on your own tasks before switching.
Example prompts
Solve this logic problem and show each step of your reasoning.Reasoning-heavy tasks.
Pro tips
- Great value — benchmark it against your current tool.
- Check data-handling rules before using any model at work.
Updated: 6 Jul 2026 · 2026 Edition
