DeepSeek built its reputation on strong reasoning and coding performance at low cost, and its open model releases are widely used by developers and researchers.
DeepSeek
Reasoning-focused assistant popular with developers
Our rating4.3 / 5
Pricing modelFreemium
Last reviewedOctober 2026
Best for: Maths, coding and technical reasoning on a budget
Pricing, features and limits change often. Check the official website for current details.