Gemini 2.5 Pro vs Gemini 2.5 Flash
Side-by-side comparison of Gemini 2.5 Pro by Google and Gemini 2.5 Flash by Google on the 1vy AI gateway. Both models are accessible through a single OpenAI-compatible API key.
Pricing comparison
| Gemini 2.5 Pro | Gemini 2.5 Flash | |
|---|---|---|
| Provider | ||
| Input / 1M tokens | $1.44 | $0.345 |
| Output / 1M tokens | $11.50 | $2.88 |
Which is cheaper?
Gemini 2.5 Flash has cheaper input tokens ($0.345/1M). Gemini 2.5 Flash has cheaper output tokens ($2.88/1M). Choose based on your workload's input/output ratio — chat/generation workloads usually favor cheaper output, while summarization/classification favors cheaper input.
One API key for both
On 1vy, switching between Gemini 2.5 Pro and Gemini 2.5 Flash is a one-parameter change in your OpenAI SDK call. No separate provider accounts, no separate billing. Sign up at 1vy.ai/register for $1 free credit to test both models.
More comparisons: Gemini 2.5 Pro details · Gemini 2.5 Flash details · full catalog