deepseek-v4-flash: Chat completions
By model
deepseek-v4-flash
Model details for deepseek-v4-flash. Reasoning, coding, and agentic workflows with a 1M-token context window.
POST
deepseek-v4-flash: Chat completions
This model supports the Chat Completions API only. Send requests to
/v1/chat/completions — the Responses endpoint (/v1/responses) is not
available for this model.DeepSeek’s DeepSeek-V4-Flash is an open-weight Mixture-of-Experts model built for efficient reasoning, coding, and agentic workflows, with 284B total parameters activating only 13B per token, served on ZeroGPU for general text generation. It sustains a 1,048,576-token (1M) context well suited for analyzing large codebases, long documents, extensive conversations, and complex research tasks, and supports fast non-thinking responses as well as higher-effort reasoning modes for planning, problem-solving, and multi-step automation. MIT-licensed with no usage restrictions.References: Model docs • Terms • Privacy
Authorizations
Headers
Optional project identifier. Scopes the request to a specific project when provided.
Body
application/json
Model identifier (fixed for this playground). Use request examples to change use cases.
Allowed value:
"deepseek-v4-flash"Example:
"deepseek-v4-flash"
Minimum array length:
1Maximum number of tokens to generate in the response.
Required range:
x >= 1Example:
800
Response
Success
The response is of type object.

