Gemini 1.5 Pro vs. Gemini 1.5 Flash — Interactive Cost & Performance Calculator
Compare Gemini 1.5 Pro vs Gemini 1.5 Flash side-by-side. Use our interactive calculator to estimate exact monthly costs, savings, and performance trade-offs at your scale.
Gemini 1.5 Pro
Best for: Massive codebase, video & full-repository analysis
Gemini 1.5 Flash
Best for: Ultra-low-cost long-context summarization at scale
Side-by-Side Technical & Commercial Breakdown: Gemini 1.5 Pro vs. Gemini 1.5 Flash
| Dimension | Gemini 1.5 Pro | Gemini 1.5 Flash |
|---|---|---|
| Provider | Google Cloud Vertex | Google Cloud Vertex |
| Input Price (per 1M tokens) | $1.250 | $0.075 |
| Output Price (per 1M tokens) | $5.00 | $0.30 |
| Context Window | 2,000K (2M) tokens | 1,000K (1M) tokens |
| Throughput Speed | 82 tok/s | 165 tok/s |
| License / Weights | Proprietary API | Proprietary API |
| Best Use Case | Massive codebase, video & full-repository analysis | Ultra-low-cost long-context summarization at scale |
Frequently Asked Questions
Which is more cost-effective in 2026: Gemini 1.5 Pro or Gemini 1.5 Flash?
It depends on your workload volume. Use the interactive sliders above to model your exact monthly scale. Gemini 1.5 Pro (Massive codebase, video & full-repository analysis) and Gemini 1.5 Flash (Ultra-low-cost long-context summarization at scale) have different unit economics that cross over as volume scales.
When should an engineering team choose Gemini 1.5 Pro over Gemini 1.5 Flash?
Choose Gemini 1.5 Pro when your primary priority is: Massive codebase, video & full-repository analysis. Choose Gemini 1.5 Flash when you prioritize: Ultra-low-cost long-context summarization at scale.