API
DeepSeek API
DeepSeek API provides access to the current DeepSeek V4 models through OpenAI-compatible and Anthropic-compatible interfaces.
Research comparison
DeepSeek API vs OpenAI API
DeepSeek API and OpenAI API both support the OpenAI Responses request style. DeepSeek additionally documents an Anthropic-compatible base URL, while OpenAI exposes a broader first-party set of realtime and media endpoints.
Verified Oct 3, 202627 evidence sources
API
OpenAI API
OpenAI API provides programmatic access to OpenAI models through the Responses API, Realtime API, batch processing, and other model and media endpoints.
Structured facts
Entity profiles
These fields come from each entity record and are kept separate from the curated comparison notes below.
DeepSeek API
- Entity type
- API
- Status
- Active
- Verified
- Oct 3, 2026
- Styles
- Rest, Sdk
- Authentication
- Api Key
- SDKs
- —
- OpenAI compatible
- Yes
- Pricing
- Usage Based
OpenAI API
- Entity type
- API
- Status
- Active
- Verified
- Oct 3, 2026
- Styles
- Rest, Websocket, Sdk
- Authentication
- Bearer Token
- SDKs
- JavaScript, TypeScript, Python, C#, Java, Go, Ruby
- OpenAI compatible
- Yes
- Pricing
- Usage Based
Editorial comparison
Key differences
These rows are curated comparison data, distinct from automatically aggregated graph relationships.
Responses API
DeepSeek API
Supported
OpenAI API
Supported
Anthropic-compatible interface
DeepSeek API
Supported at a separate base URL
OpenAI API
Not represented as an Anthropic-compatible endpoint
Current model IDs highlighted here
DeepSeek API
deepseek-flash and deepseek-v4-pro
OpenAI API
OpenAI model catalog
Realtime and media endpoints
DeepSeek API
Not the focus of the current DeepSeek API record
OpenAI API
Realtime, image, audio, files, and other first-party endpoints
Knowledge graph
Connected models and APIs
OpenAI API
APIs
No API links in the current graph.