Head-to-head model comparison

GPT-6 Astra vs DeepSeek V4

GPT-6 Astra and DeepSeek V4 both run on OpenLux behind one OpenAI-compatible endpoint. GPT-6 Astra is metered at $0.3677 per 1M tokens (-96% vs official rates); DeepSeek V4 at $0.0613 per 1M tokens (-90% vs official rates). DeepSeek V4 is the lower-cost option per unit — about 83% cheaper on the same OpenLux endpoint. This page compares their rates, strengths and best-fit workloads so you can route each request to the right model.

OpenAIvsDeepSeek

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Abstract orange glass sculpture illustrating the GPT-6 Astra vs DeepSeek V4 comparison on OpenLux
Both models answer to the same OpenLux key — switching is a one-field change to the model name.

The short version

In practice the two models are complements, not substitutes: GPT-6 Astra suits workloads that need agents and apps that call tools or functions, prompts that include images, charts or screenshots. DeepSeek V4 is the better fit when you need step-by-step reasoning, analysis and planning, Chinese-language products and bilingual apps. Both are called with the same OpenLux key, so switching between them is a one-field change to the model name.

Choose GPT-6 Astra when

  • You need agents and apps that call tools or functions.
  • You need prompts that include images, charts or screenshots.

Read the GPT-6 Astra model page

Choose DeepSeek V4 when

  • You need step-by-step reasoning, analysis and planning.
  • You need Chinese-language products and bilingual apps.
  • Unit cost is the deciding factor for this workload.

Read the DeepSeek V4 model page

Rates on OpenLux

ModelProviderRateDiscount
GPT-6 AstraOpenAI$0.3677 per 1M tokens-96%
DeepSeek V4DeepSeek$0.0613 per 1M tokens-90%

Rates follow official provider pricing and are billed in USD. See the full catalogue and pricing plans for credit allowances.

One snippet, two models

GPT-6 Astra and DeepSeek V4 share the same OpenAI-compatible request shape. Run the same code against both and compare the answers on your own workload.

from openai import OpenAI

client = OpenAI(
    api_key="sk-openlux-...",
    base_url="https://openlux.lol/v1",
)

for model in ["gpt-6-astra", "deepseek-v4"]:
    resp = client.chat.completions.create(
        model=model,
        messages=[{"role": "user", "content": "Summarise this release note for me."}],
    )
    print(model, "->", resp.choices[0].message.content)

Any OpenAI SDK works the same way — see the docs for streaming, tools and error codes.

GPT-6 Astra vs DeepSeek V4 questions

How much do GPT-6 Astra and DeepSeek V4 cost on OpenLux?

GPT-6 Astra is metered pay as you go at $0.3677 per 1M tokens, a -96% discount on official list pricing. DeepSeek V4 is metered at $0.0613 per 1M tokens, a -90% discount. There is no subscription requirement: usage is billed in USD and every request is visible in the console.

Can I call GPT-6 Astra and DeepSeek V4 with the same API key?

Yes. Both models sit behind the same OpenAI-compatible endpoint at https://openlux.lol/v1. Keep the same key and change only the "model" field to switch between gpt-6-astra and deepseek-v4 — request and response shapes stay identical.

Which is cheaper, GPT-6 Astra or DeepSeek V4?

DeepSeek V4 costs less per unit: $0.0613 per 1M tokens versus $0.3677 per 1M tokens, about 83% lower for the same volume. Over a month of production traffic the difference compounds, and the console shows cost per request in real time.

When should I pick GPT-6 Astra over DeepSeek V4?

In practice the two models are complements, not substitutes: GPT-6 Astra suits workloads that need agents and apps that call tools or functions, prompts that include images, charts or screenshots. DeepSeek V4 is the better fit when you need step-by-step reasoning, analysis and planning, Chinese-language products and bilingual apps. Both are called with the same OpenLux key, so switching between them is a one-field change to the model name.

Route every request to the right model

OpenLux keeps GPT-6 Astra, DeepSeek V4 and every other model behind one key, one endpoint and one bill. Start with free trial credit and switch models without touching your code.

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