DeepSeek V4.1 Flash API price: $0.15/M input, $0.6/M output
Updated 25 October 2026.
Short answer: DeepSeek V4.1 Flash costs $0.15 per 1M input tokens and $0.6 per 1M output tokens here (at list price). We never charge above list price; we do not claim to beat every provider.
| Model id | Input $/1M | Output $/1M | Context | vs maker list price |
|---|---|---|---|---|
deepseek-v4.1-flash | $0.15 | $0.6 | 1,048,576 | at list price |
Prices from /v1/models, snapshot 25 Oct 2026; refreshed daily.
Call it
curl https://pay.trustai.center/v1/chat/completions \
-H "Authorization: Bearer tai_..." \
-d '{"model":"deepseek-v4.1-flash","messages":[{"role":"user","content":"hi"}]}'Fund a key with USDC or pay per call with x402.
FAQ
Do I need an account or a card?
No. POST /v1/topup returns a deposit address and a tai_ key; send USDC or USDT on Base, Solana or BNB Chain from $1. Or pay per call with x402 (USDC on Base).
Is it OpenAI-compatible?
Yes. Base URL https://pay.trustai.center/v1, POST /v1/chat/completions, streaming supported.