DeepSeek · 1.0M context
DeepSeek V4 Flash 0731 API
Use DeepSeek V4 Flash 0731 in the Synaps chat or through one OpenAI-compatible API key. Pay per message from a balance you top up with ETH or USDC. No subscription, no card.
Prices include the 20% Synaps fee and update automatically. “List” is what the provider charges.
Call DeepSeek V4 Flash 0731 from code
Synaps speaks the OpenAI Chat Completions format. Point any OpenAI SDK at Synaps and set model to deepseek/deepseek-v4-flash-0731.
curl https://www.synaps.chat/api/v1/chat/completions \
-H "Authorization: Bearer $SYNAPS_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "deepseek/deepseek-v4-flash-0731",
"messages": [{ "role": "user", "content": "Hello!" }]
}'from openai import OpenAI
client = OpenAI(base_url="https://www.synaps.chat/api/v1", api_key="syn_...")
reply = client.chat.completions.create(
model="deepseek/deepseek-v4-flash-0731",
messages=[{"role": "user", "content": "Hello!"}],
)
print(reply.choices[0].message.content)Privacy
Synaps routes this model only to providers that don't store or train on your prompts.
Questions
How much does DeepSeek V4 Flash 0731 cost on Synaps?
$0.053 per million input tokens and $0.160 per million output tokens, including the 20% Synaps fee. A typical chat message costs about $0.0002. You only pay for what you use.
Can I pay for DeepSeek V4 Flash 0731 with crypto?
Yes. Top up your Synaps balance with ETH on Robinhood Chain or Base, or USDC on Base, from $1. Each message is deducted from that balance. There is no subscription or card.
Is there a DeepSeek V4 Flash 0731 API?
Yes. Create an API key on Synaps and call deepseek/deepseek-v4-flash-0731 through the OpenAI-compatible endpoint https://www.synaps.chat/api/v1/chat/completions. Any OpenAI SDK works by changing the base URL.
What can DeepSeek V4 Flash 0731 do?
It accepts text and produces text, with a context window of 1.0M tokens.