Model Pricing & Selection

Navigate the trade-offs between Gemini 1.5 Flash and Gemini 1.5 Pro. Calculate costs, compare capabilities, and choose the right engine for your application.

Real-Time Cost Simulator

Estimate your monthly spend based on traffic volume. See how the price gap widens at scale.

1,000
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10,000

Long context triggers higher tier pricing for both models.

Gemini 1.5 Flash

High-volume, low-latency, cost-efficient.

Est. Monthly Cost
$0.00

🧠 Gemini 1.5 Pro

Complex reasoning, nuanced analysis, research.

Est. Monthly Cost
$0.00

Price per Million Tokens

Base tier (< 128k context). Pro is significantly more expensive per unit.

Capability Profile

Comparing relative strengths. Flash prioritizes speed; Pro prioritizes reasoning.

Strategic Analysis

When to use Flash

  • High-volume tasks (e.g., chatbots).
  • Summarizing simple documents.
  • Data extraction at scale.
  • Real-time latency requirements.
🧠

When to use Pro

  • Complex reasoning & logic.
  • Nuanced creative writing.
  • Coding complex architectures.
  • Analysis of massive context (>1M).
💰

The Price Multiplier

Gemini 1.5 Pro is approximately 20x - 30x more expensive per output token than Flash.

Recommendation: Use Flash as your "default" router. Only escalate to Pro if Flash fails the specific prompt evaluation.

Which model fits your specific use case?

Select the primary constraint for your project.