Practical DeepSeek API guides for developers: keys, current V4 models, pricing, SDK setup, JSON output, tool calls, caching, errors and rate limits.
Last reviewed: October 16, 2026 Yes, you can use the OpenAI SDK with DeepSeek for DeepSeek’s OpenAI-compatible API endpoints. The important part is understanding what changes: you install the OpenAI SDK as the client library, but you use a DeepSeek…
Last reviewed: October 16, 2026 DeepSeek Thinking Mode is the reasoning mode in DeepSeek’s API. When it is enabled, the model can generate reasoning before returning the final answer. In Chat Completions, that reasoning is returned separately as reasoning_content, while…
Last reviewed: October 9, 2026 DeepSeek Context Caching is DeepSeek’s automatic API-side caching system for repeated prompt prefixes. When later requests reuse context that DeepSeek has already persisted, those input tokens can be billed as cache hits instead of cache…