Google AI Studio API pricing
Live prices for every model Google AI Studio serves: its own per-1M-token prices, or per image, second or character, next to the cheapest price elsewhere.
Google AI Studio serves 21 models with live API prices on SF·SIX, 21 models priced per 1M tokens. The cheapest is Gemini 2.5 Flash Lite at $0.10 per 1M input and $0.40 per 1M output tokens. The most used on OpenRouter is Gemini 3.8 Flash (261.28B tokens on 2026-10-16).
- Models with live prices
- 21
- Cheapest language model
- Gemini 2.5 Flash Lite$0.10 / $0.40 per 1M tokens
- Most used on OpenRouter (2026-10-16)
- Gemini 3.8 Flash261.28B tokens
- Newest model
- Gemini 4 Argon2026-10-13
- Cheapest standard host for
- 21 models of 21
Google AI Studio token prices (USD per 1M tokens)
| Model | Input / 1M | Output / 1M | Terms | Cheapest standard price anywhere | Context (tokens) | OpenRouter tokens / day |
|---|---|---|---|---|---|---|
| Gemini 4 Argon | $2.00 | $10.00 | Standard | Google AI Studiocheapest standard host | 1,048,576 | 169.13B |
| Gemini 3.8 Flash | $0.75 | $3.75 | Standard | Google AI Studiocheapest standard host | 1,048,576 | 261.28B |
| Gemini 3.7 Flash | $0.75 | $3.75 | Standard | Google AI Studiocheapest standard host | 1,048,576 | 60.27B |
| Gemini 3.6 Flash | $0.75 | $3.75 | Standard | Google AI Studiocheapest standard host | 1,048,576 | Not in named rows |
| Gemini 3.5 Flash Lite | $0.30 | $2.50 | Standard | Google AI Studiocheapest standard host | 1,048,576 | Not in named rows |
| Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) | $0.25 | $1.50 | Standard | Google AI Studiocheapest standard host | 65,536 | Not in named rows |
| Nano Banana 2 (Gemini 3.1 Flash Image) | $0.50 | $3.00 | Standard | Google AI Studiocheapest standard host | 131,072 | Not in named rows |
| Nano Banana Pro (Gemini 3 Pro Image) | $2.00 | $12.00 | Global endpoint | Google AI Studiocheapest standard host | 131,072 | Not in named rows |
| Gemini 3.5 Flash | $1.50 | $9.00 | Standard | Google AI Studiocheapest standard host | 1,048,576 | Not in named rows |
| Gemini 3.1 Flash Lite | $0.25 | $1.50 | Standard | Google AI Studiocheapest standard host | 1,048,576 | 73.07B |
| Gemini 3.1 Pro Preview | $2.00 | $12.00 | Standard | Google AI Studiocheapest standard host | 1,048,576 | Not in named rows |
| Gemini 3 Flash Preview | $0.50 | $3.00 | Standard | Google AI Studiocheapest standard host | 1,048,576 | 97.9B |
| Gemini 2.5 Flash Lite | $0.10 | $0.40 | Standard | Google AI Studiocheapest standard host | 1,048,576 | 102.54B |
| Gemini 2.5 Flash | $0.30 | $2.50 | Standard | Google AI Studiocheapest standard host | 1,048,576 | Not in named rows |
| Gemini 2.5 Pro | $0.625 | $5.00 | Flex tier | Google AI Studiocheapest standard host | 1,048,576 | Not in named rows |
| Gemini 2.5 Pro Preview 06-05 | $0.625 | $5.00 | Flex tier | Google AI Studiocheapest standard host | 1,048,576 | Not in named rows |
| Nano Banana 2.1 | $1.50 | $7.50 | Standard | Google AI Studiocheapest standard host | 65,536 | Not in named rows |
| Gemini 3.1 Flash Lite Preview | $0.25 | $1.50 | Standard | Google AI Studiocheapest standard host | 1,048,576 | Not in named rows |
| Nano Banana 2 (Gemini 3.1 Flash Image Preview) | $0.50 | $3.00 | Standard | Google AI Studiocheapest standard host | 65,536 | Not in named rows |
| Gemini 3.1 Pro Preview Custom Tools | $2.00 | $12.00 | Standard | Google AI Studiocheapest standard host | 1,048,576 | Not in named rows |
| Nano Banana Pro (Gemini 3 Pro Image Preview) | $2.00 | $12.00 | Global endpoint | Google AI Studiocheapest standard host | 65,536 | Not in named rows |
Google AI Studio’s own endpoint for each model (standard tier and default region first), next to the cheapest standard price from any provider. Most widely served first.
Method
Prices are USD per 1M tokens at the standard service tier in the default region: the cheapest qualifying provider per model, with flex, batch, priority and fast endpoints and unusually low outliers never used as the headline. “Blended” weights input and output 3:1. Missing prices are unknown, not free. OpenRouter tokens per day are the latest full UTC day of OpenRouter’s public rankings (named rows only). Prices move: see AI API price changes for recent cuts and increases.