Tier: frontier
Context: 1.0M
Cheapest Host: Google Vertex / AI Studio
Gemini 2.5 Pro API Pricing Calculator & Cheapest Provider
Live unit economics and multi-provider host arbitrage for Gemini 2.5 Pro (google/gemini-2.5-pro-preview-03-25).
Input tokens cost $1.25/1M, output tokens cost
$10.00/1M, and prompt cache reads drop to
$0.31/1M.
Input / Output / Cache Read
$1.25 / $10.00
Per 1M tokens · Cache Read: $0.31/1M
10,000 DAU Monthly Bill
$44,550/mo
Drops to $35,667/mo at 75% prompt cache hit rate
Speed & Context Spec
112 tok/s
Context: 1,048,576 · Max Out: 65,536
1. Multi-Provider Host Arbitrage Table for Gemini 2.5 Pro
Compare every verified inference provider hosting Gemini 2.5 Pro by input price, output price, cache read discount, and throughput speed:
| Provider / Endpoint | Input / 1M | Output / 1M | Cache Read / 1M | Throughput | 10K DAU Monthly Bill | Action |
|---|---|---|---|---|---|---|
| Google Vertex / AI Studio Lowest Price | $1.25 | $10.00 | $0.31 | 112 tok/s | $44,550/mo | Deploy (Up to 2M Context Window) → |
| OpenRouter | $1.25 | $10.00 | $0.31 | 108 tok/s | $44,550/mo | Deploy (Unified API for 470+ Models) → |
2. Monthly SaaS Spend by DAU Scale & Prompt Cache Hit Rate
Exact monthly spend projections across 1,000 DAU, 10,000 DAU, and 50,000 DAU with 0%, 50%, 75%, and 90% prompt caching:
| Active Users (DAU) | Uncached (0% Hit) | 50% Cache Hit | 75% Cache Hit (RAG) | 90% Cache Hit (Agents) |
|---|---|---|---|---|
| 1,000 DAU (1.55B tok/mo) | $4,455/mo | $3,863/mo | $3,567/mo | $3,389/mo |
| 10,000 DAU (15.5B tok/mo) | $44,550/mo | $38,628/mo | $35,667/mo | $33,890/mo |
| 50,000 DAU (77.4B tok/mo) | $222,750/mo | $193,140/mo | $178,335/mo | $169,452/mo |
3. Frequently Asked Questions (Gemini 2.5 Pro)
How much does the Gemini 2.5 Pro API cost per 1M tokens?
Gemini 2.5 Pro (Google) costs $1.25 per 1M input tokens, $10.00 per 1M output tokens, and $0.31 per 1M cached input tokens. Its context window is 1.0M (1,048,576 tokens) with 65,536 max output tokens.
What is the cheapest inference provider for Gemini 2.5 Pro?
Among 2 verified endpoints, Google Vertex / AI Studio offers the lowest blended pricing at $1.25/1M input and $10.00/1M output (112 tok/s). For maximum throughput, Google Vertex / AI Studio delivers 112 tokens/sec.
How much does Gemini 2.5 Pro cost per month at 1,000, 10,000, and 50,000 DAU?
On a standard SaaS production workload (12 requests/user/day, 3,500 input + 800 output tokens), Gemini 2.5 Pro costs $4,455/month at 1,000 DAU, $44,550/month at 10,000 DAU, and $222,750/month at 50,000 DAU. Enabling 75% prompt caching reduces the 10,000 DAU bill to $35,667/month.
4. Compare Gemini 2.5 Pro Against Alternative Models
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