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. deepseek-v4-pro exposes POST /v1/messages, POST /v1/chat/completions, and POST /v1/responses. Other DeepSeek routes in the current catalog use POST /v1/chat/completions.

Supported DeepSeek models

Model ID	Context	Capabilities	Input / 1M	Output / 1M	Best for
`deepseek-r1`	262,144	Coding, Text	$0.4018	$1.6058	Reasoning-heavy tasks
`deepseek-v3`	262,144	Coding, Text	$0.2009	$0.8029	Low-cost general and coding work
`deepseek-v3.1`	262,144	Coding, Text	$0.4018	$1.2047	Balanced reasoning and coding
`deepseek-v3.2`	128,000	Coding, Text	$0.2009	$0.3017	Very low-cost general use
`deepseek-v4-flash`	262,144	Coding, Text	$0.0980	$0.1960	Lowest-cost high-throughput DeepSeek route
`deepseek-v4-pro`	262,144	Coding, Text	$0.3045	$0.6090	Stronger DeepSeek route with multiple endpoint styles

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-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-flash`
General current DeepSeek route	`deepseek-v3.2`
Reasoning-focused route	`deepseek-r1`
Messages or Responses endpoint compatibility	`deepseek-v4-pro`

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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