Claude Haiku 4.5 vs GPT-5 nano

The same balance runs both. Here is what actually differs.

FeatureClaude Haiku 4.5GPT-5 nano
VendorAnthropicOpenAI
Rate on UGESI2 credits per 1,000 words2 credits per 1,000 words
Clip lengthsn/an/a
Resolutionsmodel defaultmodel default
Best forPodpisy, naglowki i warianty reklam.Articles and scripts that feed visual tools.
Watch out forKrotszy zasieg niz modele ProFacts need checking

Which one to run

Pick Claude Haiku 4.5 when you need szybkie, naturalne zdania. Pick GPT-5 nano when you need long form structure.

You do not have to decide before you start. Both models sit in the same tools and the rate is shown before each run.

Which one to pick

Claude Haiku 4.5 costs 2 credits per 1k words. GPT-5 nano costs 2. That makes Claude Haiku 4.5 the cheaper run.

Pick Claude Haiku 4.5 when podpisy, naglowki i warianty reklam. Its limit worth knowing: krotszy zasieg niz modele pro.

Pick GPT-5 nano when articles and scripts that feed visual tools. Its limit worth knowing: facts need checking.

Both run on the same balance. You can switch between them inside one tool, and the rate is shown again before each run.