DeepSeek
Free and open-weight LLMs that help developers and creators code, write, and solve problems efficiently.
Tool overview
DeepSeek offers models like V4 Pro and V4 Flash, which rank highly in coding and code review tasks and achieve GPT-5.5‑level scores on SWE‑bench Verified. Weights are publicly available, and multiple platforms provide free API access with no credit card required.
Pros: completely free, zero subscriptions needed; high inference speed through DSpark speculative decoding; strong Chinese-language writing and coding support; easy to try via simple GitHub verification on some platforms.
Cons & risks: some users warn that prompts may be read by the Chinese government (though US companies may do the same); official DeepSeek hiring is extremely selective, suggesting elite engineering but limited direct support; free third-party access may be temporary or rate‑limited.
Best for individual developers, students, and creators who want capable coding and writing assistance at no cost. Not ideal for enterprises needing certified compliance or guaranteed uptime, or for those extremely concerned about prompt privacy.