74% offDeepSeek V4 Flash API
DeepSeek·Text· 100.0% success (7d)
DeepSeek V4 Flash — efficiency-optimized 284B-parameter MoE model with 13B active parameters, 1M context, and strong reasoning/coding performance.
Pricing
Cheapest live price, per 1 million tokens.
Input / 1M tokens
$0.050 OpenRouter
Output / 1M tokens
$0.165 OpenRouter
Cache read / 1M
Repeated prompt prefixes
Cache write / 1M
Writing to the prompt cache
Cache read is the discounted rate for repeated prompt prefixes (system prompts, agent context).
Capabilities · 8
Specifications
- Context window
- 1M
- Max output
- 128K
- Type
- Text
- Creator
- DeepSeek
- Live sellers
- 83
- Requests / 24h
- 31,641
Price history · 60 days
Estimated monthly cost
30 days at the cheapest live price.
Benchmarks & reliability
LiveBench score + measured network performance. Leaderboard →
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-flash",
messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)About DeepSeek V4 Flash
DeepSeek V4 Flash is a language model developed by DeepSeek. It's particularly well-suited for 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 1M tokens. Its 1M-token context window means you can pass in entire documents, codebases, or conversation histories without losing context. It can write up to 128K tokens in a single response.
As of Nov 4, 2026, DeepSeek V4 Flash costs $0.021 per 1M input tokens and $0.043 per 1M output tokens on Qubax, versus $0.050 / $0.165 on OpenRouter (57% less on input). A typical 1,000 chat requests (2K tokens in, 500 out) come to about $0.06. Measured availability over the last 7 days: 100.0%. 83 independent compute providers currently serve it, so requests fail over automatically. It handled 31,641 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 Flash API cost?
On Qubax, DeepSeek V4 Flash costs $0.021 per 1M input tokens and $0.043 per 1M output tokens. This is 57% cheaper than OpenRouter's price of $0.050 per 1M input tokens.
Is the DeepSeek V4 Flash API compatible with OpenAI?
Yes. Qubax provides an OpenAI-compatible API. You can use DeepSeek V4 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.
Why is DeepSeek V4 Flash cheaper on Qubax than OpenRouter?
Qubax sources AI inference from an open compute marketplace on the Base blockchain where GPU providers compete on price. We pass the savings to you — 57% cheaper than OpenRouter's price for DeepSeek V4 Flash.
How do I pay for DeepSeek V4 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 Flash?
DeepSeek V4 Flash supports a context window of 1M tokens, allowing you to process large documents, codebases, or long conversations in a single request.
What can I build with DeepSeek V4 Flash?
You can use DeepSeek V4 Flash to 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 Flash on Qubax?
Measured time to first token (p95) on Qubax is 4.0s. Its 7-day success rate is 100.0%. Responses stream token by token. 83 sellers serve it, so if one is slow or down the request moves to the next.
How good is DeepSeek V4 Flash on benchmarks?
DeepSeek V4 Flash scores 65.5 on LiveBench, ranking #16 of 16 models we track. At Qubax prices that is 477.8 points per $1 per 1M tokens.
DeepSeek V4 Flash vs Llama 3.3 70B: which should I choose?
DeepSeek V4 Flash by DeepSeek and Llama 3.3 70B by Meta are both strong models in a similar price tier. DeepSeek V4 Flash excels at complex reasoning. Llama 3.3 70B comes from a different lab and may have different strengths depending on your workload. On Qubax, DeepSeek V4 Flash starts at $0.021/1M input tokens versus Llama 3.3 70B's $0.022/1M — making DeepSeek V4 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 Flash for commercial projects?
Yes. DeepSeek V4 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 Flash on Qubax?
74% 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.