DeepSeek API - Access DeepSeek Models via AIsa - AIsa

AIsa gives you OpenAI-compatible access to the current DeepSeek model family with one API key, unified billing, usage logs, and gateway routing. The table lists the endpoints each model accepts.

Supported DeepSeek models

Model ID	Type	Endpoints	Best for
`deepseek-v4-flash-vision-exp`	Text	`/v1/chat/completions`, `/v1/messages`, `/v1/responses`	Experimental vision variant of V4 Flash
`deepseek-v4-pro`	Text	`/v1/chat/completions`, `/v1/messages`, `/v1/responses`	Stronger DeepSeek route with multiple endpoint styles
`deepseek-v4-pro-0813`	Text	`/v1/chat/completions`, `/v1/messages`, `/v1/responses`	Pinned snapshot of `deepseek-v4-pro`
`deepseek-v4.1-flash`	Text	`/v1/chat/completions`, `/v1/messages`, `/v1/responses`	Lowest-cost high-throughput DeepSeek route (V4.1)

Current prices for these models are on aisa.one/models.

Quickstart

from openai import OpenAI

client = OpenAI(api_key="YOUR_AISA_API_KEY", base_url="https://api.aisa.one/v1")

response = client.chat.completions.create(
    model="deepseek-v4.1-flash",
    messages=[{"role": "user", "content": "Review this pull request for security and correctness."}]
)
print(response.choices[0].message.content)

Common choices

Need	Use
Cheapest DeepSeek text/coding	`deepseek-v4.1-flash`
Stronger DeepSeek route	`deepseek-v4-pro`
Pinned production route	`deepseek-v4-pro-0813`

Data privacy

AIsa routes DeepSeek requests through an enterprise-backed aggregation path. Customer data is not used for model training under AIsa’s enterprise agreements. For compliance details, contact us.

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