65% offDeepSeek V4.1 Flash API
DeepSeek·Vision· 99.3% success (7d)
DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the cost-efficient tier of the V4.1 family. DeepSeek reports that it exceeds V4 Pro on performance, speed, and task...
Pricing
Cheapest live price, per 1 million tokens.
Input / 1M tokens
OpenRouter $0.00143
Output / 1M tokens
$0.180 OpenRouter
Cache read / 1M
Repeated prompt prefixes
Cache read is the discounted rate for repeated prompt prefixes (system prompts, agent context).
Capabilities · 8
Specifications
- Context window
- 1.0M
- Max output
- 384K
- Type
- Vision
- Creator
- DeepSeek
- Live sellers
- 144
- Requests / 24h
- 2,694,476
Price history · 60 days
Estimated monthly cost
30 days at the cheapest live price.
Quick start
OpenAI-compatible — change the base URL and key. Get a key from the dashboard.
from openai import OpenAI
client = OpenAI(
base_url="https://api.qubax.ai/v1",
api_key="YOUR_QUBAX_API_KEY",
)
response = client.chat.completions.create(
model="deepseek-v4.1-flash",
messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)About DeepSeek V4.1 Flash
DeepSeek V4.1 Flash is a multimodal language model developed by DeepSeek. It's particularly well-suited for analyzing images, screenshots, and visual content, tackling complex, multi-step reasoning problems, orchestrating tool-using agents that call APIs and external services, producing structured outputs for reliable data extraction and handling large contexts of up to 1.0M tokens. Its 1.0M-token context window means you can pass in entire documents, codebases, or conversation histories without losing context. It can write up to 384K tokens in a single response.
As of Oct 28, 2026, DeepSeek V4.1 Flash costs $0.021 per 1M input tokens and $0.063 per 1M output tokens on Qubax. A typical 1,000 chat requests (2K tokens in, 500 out) come to about $0.07. Measured availability over the last 7 days: 99.3%. 144 independent compute providers currently serve it, so requests fail over automatically. It handled 2,694,476 requests on Qubax in the last 24 hours. Pay with USDC, USDT, BTC, ETH or 350+ other coins — no credit card required.
Similar-priced alternatives
Frequently asked questions
How much does the DeepSeek V4.1 Flash API cost?
On Qubax, DeepSeek V4.1 Flash costs $0.021 per 1M input tokens and $0.063 per 1M output tokens.
Is the DeepSeek V4.1 Flash API compatible with OpenAI?
Yes. Qubax provides an OpenAI-compatible API. You can use DeepSeek V4.1 Flash as a drop-in replacement by changing your base URL to https://api.qubax.ai/v1 and using your Qubax API key. It works with Cline, Cursor, OpenCode, Hermes Agent, and any tool that supports OpenAI APIs.
How do I pay for DeepSeek V4.1 Flash API usage?
Qubax uses prepaid crypto credits. Top up with USDC, USDT, BTC, ETH, SOL or 350+ other coins and your balance is deducted as you use the API. No credit card or KYC required.
What is the context window of DeepSeek V4.1 Flash?
DeepSeek V4.1 Flash supports a context window of 1.0M tokens, allowing you to process large documents, codebases, or long conversations in a single request.
What can I build with DeepSeek V4.1 Flash?
You can use DeepSeek V4.1 Flash to analyze images and visual content, tackle complex multi-step reasoning tasks, build autonomous agents that call external tools and APIs, generate structured JSON output for data pipelines and process long documents and entire codebases. Because it's served through Qubax's OpenAI-compatible API, integration into existing apps, agents, or workflows takes just a few lines of code.
How fast and reliable is DeepSeek V4.1 Flash on Qubax?
Measured time to first token (p95) on Qubax is 65.5s. Its 7-day success rate is 99.3%. Responses stream token by token. 144 sellers serve it, so if one is slow or down the request moves to the next.
DeepSeek V4.1 Flash vs GPT 5 Mini: which should I choose?
DeepSeek V4.1 Flash by DeepSeek and GPT 5 Mini by OpenAI are both strong models in a similar price tier. DeepSeek V4.1 Flash excels at complex reasoning and supports vision/image inputs. GPT 5 Mini comes from a different lab and may have different strengths depending on your workload. On Qubax, DeepSeek V4.1 Flash starts at $0.021/1M input tokens versus GPT 5 Mini's $0.026/1M — making DeepSeek V4.1 Flash the more cost-effective option for high-volume workloads. Both are available on Qubax with crypto payments and OpenAI-compatible APIs, so you can try each and switch freely.
Can I use DeepSeek V4.1 Flash for commercial projects?
Yes. DeepSeek V4.1 Flash on Qubax can be used for commercial purposes. You own the outputs you generate. Qubax provides the API infrastructure — you bring your use case.
Why use DeepSeek V4.1 Flash on Qubax?
65% cheaper
Providers compete on price — you get the cheapest healthy seller.
Pay with crypto
350+ coins (BTC, ETH, SOL, USDT, USDC). No card, no KYC.
OpenAI & Anthropic compatible
Drop-in base URL. Works with Cline, Cursor, Claude Code, OpenAI and Anthropic SDKs.