Ways to buy 8
| Way to buy | Input | Output | In / out per 1M | Cached | Vs list |
|---|---|---|---|---|---|
 Google Gemini APIflex, cheapest · cached $0.015 | $0.15 | $1.25 | $0.15 / $1.25-50% vs list | $0.015 | -50% vs list |
| Google Gemini API API The lab's own API · cached $0.03 | $0.3 | $2.5 | $0.3 / $2.5List price | $0.03 | List price |
 Google Vertex AIDefault region · cached $0.03 | $0.3 | $2.5 | $0.3 / $2.5Same as list | $0.03 | Same as list |
| Google Vertex AI eu · cached $0.03 | $0.3 | $2.5 | $0.3 / $2.5Same as list | $0.03 | Same as list |
| Google Vertex AI global · cached $0.03 | $0.3 | $2.5 | $0.3 / $2.5Same as list | $0.03 | Same as list |
 OCI Generative AIFrom the platform pricing page | $0.3 | $2.5 | $0.3 / $2.5Same as list | n/a | Same as list |
| Google Vertex AI global-priority · cached $0.054 | $0.54 | $4.5 | $0.54 / $4.5+80% vs list | $0.054 | +80% vs list |
| Google Gemini API priority · cached $0.054 | $0.54 | $4.5 | $0.54 / $4.5+80% vs list | $0.054 | +80% vs list |
USD per 1M tokens; batch $0.15 in, $1.25 out on the lab's API. Regions are separate routes.
Through a gateway
Your own numbers100M input and 20M output tokens a month: $80.00 direct.
Helicone$80.00+0%
Kong AI Gateway$80.00+0%
LiteLLM$80.00+0%
Vercel AI Gateway$80.00+0%
Cloudflare AI Gateway$84.00+5%
Requesty$84.00+5%
Eden AI$84.40+5.5%
OpenRouter$84.40+5.5%
No published token fee: Martian Gateway, Portkey, TrueFoundry AI Gateway.
Related models
| In / out per 1M | Cheapest route | ||||||
|---|---|---|---|---|---|---|---|
| Gemini 3.8 Flash Google · 1MCheapest: $0.75 on Google Gemini API (flex) | $0.75 | $3.75 | $0.75 / $3.75 | $1.5 | 1M | $0.75 on Google Gemini API (flex) | · |
| Gemini 3.7 Flash Google · 1MCheapest: $0.75 on Google Vertex AI (global-flex) | $0.75 | $3.75 | $0.75 / $3.75100% | $1.5 | 1M | $0.75 on Google Vertex AI (global-flex) | 100% |
| Gemini 3.5 Flash Lite Google · 1MCheapest: $0.425 on Google Vertex AI (global-flex) | $0.3 | $2.5 | $0.3 / $2.5 | $0.85 | 1M | $0.425 on Google Vertex AI (global-flex) | · |
| Gemini 3.6 Flash Google · 1MCheapest: $0.75 on Google Vertex AI (global-flex) | $0.75 | $3.75 | $0.75 / $3.75 | $1.5 | 1M | $0.75 on Google Vertex AI (global-flex) | · |
 GLM 5.3Z.ai · 1.31M | $0.561 | $1.76 | $0.561 / $1.76 | $0.862 | 1.31M | on Baidu (fp8) | · |
| GLM 4.6 Z.ai · 205K | $0.43 | $1.75 | $0.43 / $1.75 | $0.76 | 205K | on Venice (fp4) | · |
 Kimi K2.5Moonshot AI · 262K | $0.45 | $2.25 | $0.45 / $2.25 | $0.9 | 262K | on SiliconFlow (int4) | · |
 Command A+Cohere · 192K | $0.3 | $1.5 | $0.3 / $1.5 | $0.6 | 192K | Lab list price | · |
About Gemini 2.5 Flash
Gemini 2.5 Flash is Google's state-of-the-art workhorse model, specifically designed for advanced reasoning, coding, mathematics, and scientific tasks.
Takes files, image, text, audio, video in and returns text. First listed Jun 17, 2025. Up to 66K output tokens. Blended price $0.85 per 1M tokens at 3 input to 1 output. Model id gemini-2-5-flash.
Price history
List price since Jun 17, 2025, from Internet Archive snapshots of the OpenRouter catalog, then daily reads.
| Seen | Model | Old price | New price | Change |
|---|---|---|---|---|
| Oct 20, 2025 | Gemini 2.5 FlashCached input $0.075 to $0.03 | Cached input $0.075 | Cached input $0.03 | -60% |
Across fru.devCompany profile7 acquisitionsPay schedule7 conferences
Questions
How much does Gemini 2.5 Flash cost?
$0.3 per million input tokens and $2.5 per million output tokens, with cached input at $0.03, or $0.15 and $1.25 through the Batch API.
What is the context window of Gemini 2.5 Flash?
1M tokens, with up to 66K tokens of output.
Where is Gemini 2.5 Flash cheapest?
Of 8 routes tracked, Google Gemini API is cheapest at $0.15 input and $1.25 output per million tokens.
Sources: OpenRouter's public model catalog and each provider's own pricing page, read every morning at 05:00 UTC; gateway fees re-read every Monday. List prices: your contract may differ. Logos via logo.dev; trademarks belong to their owners.