AllocateVeo 3.0 Fast vs GPT-5.5
Veo 3.0 Fast is not currently in the Allocate serving catalog, so this page lists no prices for it: every price on this site comes from the live catalog.
Veo 3.0 Fast
GPT-5.5LabGoogleOpenAI
AccessNot served on AllocateAPI only
Context windown/a400K tokens
List price, inputNot served$5 / M tokens
List price, outputNot served$30 / M tokens
Cached inputn/a$0.5 / M tokens
LicenseProprietary APIProprietary API
Fine-tunableNoNo
Specifications and provider list prices from the Allocate catalog, checked 2026-09-12.
Common questions
Which has the bigger context window?
GPT-5.5: 400,000 tokens (400K) against an unlisted window for Veo 3.0 Fast.
Can I fine-tune Veo 3.0 Fast or GPT-5.5?
No. Both are closed models served over API. If you want a model you can train and own, start from an open-weights base in the catalog.
Related comparisons
Veo 3.0 Fast vs Gemini 3.1 ProGPT-5.5 vs Gemini 3.1 ProVeo 3.0 Fast vs Gemini 3.5 FlashGPT-5.5 vs Gemini 3.5 FlashVeo 3.0 Fast vs OpenAI GPT-OSS 120BGPT-5.5 vs OpenAI GPT-OSS 120B
Run the numbers on your workload
Or do not choose. On Allocate a route name is the contract: point yours at one model today, swap to the other tomorrow, and compare them on your live traffic with per-token metering.