tokevenGPT 5.5 Pro vs Gemini Omni 1.1 Flash
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
GPT 5.5 Pro
FlagshipGemini Omni 1.1 Flash
Fast / BudgetQuality
Task confidence comparison
Guidance
When to use GPT 5.5 Pro vs Gemini Omni 1.1 Flash
Choose GPT 5.5 Pro when...
- -You need a larger context window (1,050K vs 1,048.576K)
- Similar performance; consider provider preference or ecosystem fit.
Choose Gemini Omni 1.1 Flash when...
- -Cost matters: 95% cheaper on input tokens
At scale
Cost at scale
FAQ
When should I use GPT 5.5 Pro instead of Gemini Omni 1.1 Flash?
GPT 5.5 Pro and Gemini Omni 1.1 Flash perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Is Gemini Omni 1.1 Flash cheaper than GPT 5.5 Pro?
Yes. Gemini Omni 1.1 Flash input costs $1.50/MTok vs $30.00/MTok for GPT 5.5 Pro, saving 95% on input.
What are the context window sizes for GPT 5.5 Pro and Gemini Omni 1.1 Flash?
GPT 5.5 Pro has a 1,050K token context window. Gemini Omni 1.1 Flash has a 1,048.576K token context window.
Go deeper on either model
Per-call cost calculators, provider lineups, and price history for both models on this page.
Other comparisons
How GPT 5.5 Pro and Gemini Omni 1.1 Flash stack up against the rest of the field.
Track your real costs
Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.