Gemini 3.5 Flash
Gemini 3.5 Flash token pricing is $1.50 per million input tokens and $9 per million output tokens.
- Provider
- API model name
- gemini-3.5-flash
- Status
- Previous generation
- Input, $ per 1M tokens
- $1.50
- Cached input, $ per 1M tokens
- $0.15
- Output, $ per 1M tokens
- $9.00
- Sample request (10K in, 2K out), $
- $0.033
- Context window, tokens
- 1.05M
- Price checked on
- Official pricing page
- ai.google.dev
These are standard rates on Google’s own API. Cached input is billed at $0.15 per million tokens. A request with 10,000 input tokens and 2,000 output tokens costs about $0.033 before caching or batch discounts, more than twice the $0.015 of the newer Gemini 3.8 Flash at its 2026 rates. The API model name is gemini-3.5-flash, and the context window is 1.05M tokens.
- Max output, tokens
- 65.54K
- Input types
- Text, image, video, audio, PDF
- Open weights
- No
- Batch pricing
- 50% off standard rates
- Sources
Page URL Checked Gemini Developer API pricing https://ai.google.dev/gemini-api/docs/pricing 2026-09-30 OpenRouter model listing (context and output limits) https://openrouter.ai/models 2026-09-29
Questions
How much does the Gemini 3.5 Flash API cost?
What is the API model name for Gemini 3.5 Flash?
gemini-3.5-flash in API calls to Google. The context window is 1.05M tokens, and a response can run to 65,536 output tokens.What does one Gemini 3.5 Flash request cost?
Sources
Prices are read from each provider’s official pricing page: OpenAI, Anthropic, Google Gemini API, xAI, DeepSeek and Mistral AI. Context and output limits that a provider does not publish come from OpenRouter’s model listing. Each model’s Sources field lists the pages used and the date each was checked. How we check prices · Price change log