GPT Image 2 vs GPT Image 2.5 Fast

GPT Image 2 (OpenAI) vs GPT Image 2.5 Fast (OpenAI), compared on price, context, speed and Arabic support. Both run on thalam through one OpenAI-compatible API, so you can switch between them with a single model id change.

Specs side by side

SpecGPT Image 2GPT Image 2.5 Fast
ProviderOpenAIOpenAI
TypeImageImage
Price$0.053 / image$0.053 / image
SpeedMediumMedium
Arabic supportNoneNone

Which should you choose?

Choose GPT Image 2 if…
  • OpenAI's image model, billed by the tokens it actually generates. Strong prompt-following and legible text in images
Choose GPT Image 2.5 Fast if…
  • The quick half of GPT Image 2.5. Five detail levels, from a cent-scale draft to a finished frame, billed on what it actually renders
Run both GPT Image 2 and GPT Image 2.5 Fast on one API

One OpenAI-compatible endpoint, one bill. Switch between them with a single model id change, pay per use, credits never expire.

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FAQ

What's the difference between GPT Image 2 and GPT Image 2.5 Fast?

They are closely matched on the headline specs; the best choice depends on your workload. Both are available on thalam behind one OpenAI-compatible API.

Is GPT Image 2 or GPT Image 2.5 Fast cheaper?

They are priced similarly ($0.053 / image vs $0.053 / image). On thalam you pay per use with no subscription, so you can A/B them on cost with no commitment.

Can I use both GPT Image 2 and GPT Image 2.5 Fast with one API key?

Yes. thalam is OpenAI-compatible, so both models are reachable through the same endpoint. Switching between them is a one-line model id change, no code rewrite.