DeepSeek

DeepSeek V3.1 Terminus API

DeepSeek V3.1 Terminus by DeepSeek through the RelaySwitch API: $1.08 per million input tokens, $4.0001 per million output tokens. Pay by card or crypto (Card, USDT, USDC, BTC, ETH, SOL). No KYC.

Input / M$1.08per million tokens
Cached input / M$0.5165per million tokens
Output / M$4.0001per million tokens

Specs

Model id
deepseek-v3.1-terminus
Developer
DeepSeek
Context window
not published
Max output
not published
Input
text

Call it

bash
1curl https://api.relayswitch.io/v1/chat/completions \
2 -H "Authorization: Bearer $RELAYSWITCH_KEY" \
3 -H "Content-Type: application/json" \
4 -d '{
5 "model": "deepseek-v3.1-terminus",
6 "messages": [{"role": "user", "content": "Hello"}]
7 }'

Any OpenAI SDK works: set the base URL to https://api.relayswitch.io/v1 and the model to deepseek-v3.1-terminus. Get a key or read the docs.

DeepSeek V3.1 Terminus API key and pricing

One key covers DeepSeek V3.1 Terminus and every other model in the catalog. Open the console with an email address, top up from $10 by card or in USDT, USDC, BTC, ETH, SOL, create a key, and send deepseek-v3.1-terminus as the model. No identity check, no subscription; the balance moves only when you call.

A chat turn$0.00422K tokens in, 500 tokens out
A long document$0.06250K tokens in, 2K tokens out
A million tokens$2.54500K in, 500K out

Costs at the live rates above; input and output billed separately, per token, from the prepaid balance.

FAQs

DeepSeek V3.1 Terminus: questions

Payment, keys and billing in short.

Open the console

A key in under a minute

Get a key

Or email hello@relayswitch.io

Run DeepSeek V3.1 Terminus today

Top up by card or crypto and send "deepseek-v3.1-terminus".