DeepSeek V4 Flash 0731 Fast API
Access DeepSeek V4 Flash 0731 Fast through a simple, OpenAI-compatible API. Change one URL and one key — your existing code works immediately. No SDK changes needed.
DeepSeek V4 Flash 0731 Fast Pricing
| Token Type | Qubax | Retail | Save |
|---|---|---|---|
| Input (per 1M) | $0.131 | $0.350 | 63% |
| Output (per 1M) | $0.263 | $0.700 | 63% |
At $0.131/1M input tokens, DeepSeek V4 Flash 0731 Fast is one of the most affordable APIs in its class.
Why use DeepSeek V4 Flash 0731 Fast API on Qubax?
- ⚡Point your OpenAI SDK at https://api.qubax.ai/v1
- ⚡Use model ID: deepseek-v4-flash-0731-fast
- ⚡Generate API keys starting with qbx_live_
- ⚡Full streaming, function calling, and vision support
About DeepSeek V4 Flash 0731 Fast
DeepSeek V4 Flash 0731 Fast is Venice’s low-latency serving profile for the 0731 DeepSeek V4 Flash checkpoint, with a 1M-token context window and reasoning, coding, tool, and structured-output support. It supports a 1M-token context window and up to 33K output tokens per request. Native capabilities include reasoning, tool calling, structured output, streaming. On Qubax it is served by 42 independent sellers, so pricing stays competitive and uptime stays high.
DeepSeek V4 Flash 0731 Fast API Access — code example
from openai import OpenAI
# Only two lines change vs the official API:
client = OpenAI(
base_url="https://api.qubax.ai/v1",
api_key="qbx_live_YOUR_KEY",
)
response = client.chat.completions.create(
model="deepseek-v4-flash-0731-fast",
messages=[{"role": "user", "content": "Hello, DeepSeek V4 Flash 0731 Fast!"}],
)
print(response.choices[0].message.content)More DeepSeek models on Qubax
Get started in 60 seconds
- 1Create a free account at qubax.ai/register
- 2Add crypto credits (200+ coins, $3 minimum, credits never expire)
- 3Generate an API key and set your base URL to
https://api.qubax.ai/v1 - 4Use model ID
deepseek-v4-flash-0731-fast— done!
DeepSeek V4 Flash 0731 Fast API Access FAQ
How much does DeepSeek V4 Flash 0731 Fast cost API?
On Qubax, DeepSeek V4 Flash 0731 Fast costs $0.131 per 1M input tokens and $0.263 per 1M output tokens. 63% cheaper than OpenRouter. Pay with 200+ cryptocurrencies.
Can I use DeepSeek V4 Flash 0731 Fast with my existing tools?
Yes. Qubax is fully OpenAI-compatible. Change your base URL to api.qubax.ai/v1 and use your Qubax key. Works with Cline, Cursor, OpenCode, LangChain, and any OpenAI SDK.
Do I need a credit card?
No. Qubax accepts 200+ cryptocurrencies. No credit card, no KYC.
Start using DeepSeek V4 Flash 0731 Fast API
No credit card. Crypto accepted. Credits never expire.
Get started →