Comparison page

DeepSeek V4 Pro vs GPT-5

Compare a discounted DeepSeek premium model against OpenAI GPT-5 for higher-value workloads.

Side-by-side pricing

The table uses the same example request on both models so you can compare premium reasoning at a lower budget without changing the prompt shape.

Input 1,000 / Output 250

ModelInput / 1MCached input / 1MOutput / 1MExample requestSource
DeepSeek V4 Pro

DeepSeek's stronger model with a temporary discount on the public pricing page.

The public pricing page currently shows a 75% discount window for V4 Pro through 2026-05-31 15:59 UTC.

$0.435$0.0036$0.870$0.0007DeepSeek pricing
GPT-5

OpenAI's current flagship general-purpose model for complex work.

$1.25No public rate$10.0$0.0037OpenAI pricing

When to choose each model

DeepSeek V4 Pro

Choose DeepSeek V4 Pro when you want the economics or capability profile of DeepSeek and you can justify the published rate.

GPT-5

Choose GPT-5 when you need the second option in this comparison and want to test whether it lowers spend without hurting the workflow.

Use the calculator to confirm the exact request cost for your own input and output mix before you ship the change.

Use cases

  • • Evaluating a discounted premium alternative.
  • • Comparing enterprise assistants and agent loops.
  • • Reviewing the cost of higher-quality outputs.

If the prompt is noisy or repetitive, run it through the prompt optimizer first.

If the brief is too loose, use the context engineer to tighten the instructions before you compare models again.

For the broader pricing strategy, read the LLM cost optimization pillar and the cost-per-million-tokens cheat sheet.

FAQ

Which model is cheaper?

DeepSeek V4 Pro is the lower-cost premium option during the current discount window.

Why use this comparison?

It is useful when you want premium model quality but need to control spend more aggressively.

Should I compare my actual prompt?

Yes. Even premium comparisons can swing quickly once the prompt and output lengths change.