Google · Model
Gemini 3.5 Flash Lite pricing, context window and specs
Gemini 3.5 Flash Lite costs $0.30 per million input tokens and $2.50 per million output tokens, and reads up to 1,048,576 tokens per request. By blended price it is number 11 of 20 from cheapest in Google's current line-up.
- Input / 1M
- $0.30
- Output / 1M
- $2.50
- Cached / 1M
- $0.03
- Context
- 1,048,576
- Max output
- 65,536
- Released
- 2026-07-21
Estimate your cost with Gemini 3.5 Flash LiteCompare all Google modelsCount tokens for Gemini 3.5 Flash Lite
Pricing
Gemini 3.5 Flash Lite API pricing
| Price per 1M tokens | Input | Output |
|---|---|---|
| Standard | $0.30 | $2.50 |
| Cached input (read) | $0.03 | – |
| Batch API | $0.15 | $1.25 |
Output costs 8.3× the input price, so long replies drive the bill more than long prompts. If your requests share a long fixed prefix, such as a system prompt or tool definitions, caching cuts that part to 10% of the normal input price.
Examples
What Gemini 3.5 Flash Lite costs in practice
| Workload | Tokens in / out | Requests/day | Per request | Per month |
|---|---|---|---|---|
| Support chatbot50% cached | 1,500 / 400 | 1,000 | $0.00125 | $37.94 |
| RAG app20% cached | 6,000 / 500 | 500 | $0.00273 | $41.46 |
| Coding agent80% cached | 40,000 / 2,000 | 200 | $0.00836 | $50.86 |
| Document summariserbatch | 8,000 / 600 | 300 | $0.00195 | $17.79 |
Change any number in the cost calculator.
Context
Context window
Gemini 3.5 Flash Lite accepts up to 1,048,576 tokens per request, roughly 786,432 English words or 1,573 pages. That budget is shared between your prompt and the reply, and a single reply is capped at 65,536 tokens.
Filling the whole window with one prompt costs about $0.31 at list price, so for repeated long-document work, retrieval (sending only the relevant parts) or prompt caching is usually much cheaper.
Check whether your text fits Gemini 3.5 Flash Lite’s window.
Features
Capabilities
- Image input
- Yes
- Tool / function calling
- Yes
- Reasoning mode
- Yes
- Prompt caching
- Yes
- Structured output
- Yes
- Open weights
- No
- Accepts
- text, image, video, file, audio
- Knowledge cutoff
- Not published
As declared by the provider’s API. It shows a feature exists, not how well it works.
Where Gemini 3.5 Flash Lite sits in Google’s line-up
Ranked by blended price (three parts input to one part output, $0.85 per 1M for Gemini 3.5 Flash Lite), it is number 11 of 20 from cheapest of Google’s 20 priced models. See every Google model and price
| Model | Input / 1M | Output / 1M | Context | Released |
|---|---|---|---|---|
| Gemini 3.8 Flash | $0.75 | $3.75 | 1,048,576 | 2026-09-02 |
| Gemini 3.7 Flash | $0.75 | $3.75 | 1,048,576 | 2026-08-13 |
| Gemini 3.5 Flash Lite (this page) | $0.30 | $2.50 | 1,048,576 | 2026-07-21 |
| Gemini 3.6 Flash | $0.75 | $3.75 | 1,048,576 | 2026-07-21 |
| Gemini 3.5 Flash | $1.50 | $9 | 1,048,576 | 2026-05-19 |
| Gemini 3.1 Flash Lite | $0.25 | $1.50 | 1,048,576 | 2026-05-07 |
| Gemma 4 26B A4B | $0.0765 | $0.255 | 262,144 | 2026-04-03 |
| Gemma 4 31B | $0.09 | $0.34 | 262,144 | 2026-04-02 |
Save
Cheaper alternatives
- Qwen3.5-9BQwen87% cheaper
- Seed 1.6 FlashByteDance Seed85% cheaper
- Claude Haiku 5.5Anthropic76% cheaper
- GPT-6 LunaOpenAI76% cheaper
- DeepSeek V4 Flash Vision ExpDeepSeek62% cheaper
Current models from major providers, one per provider, that keep image input, tool calling, a reasoning mode, a usable context window and output limit. Compared by blended price.
Compare
Similarly priced models
- Nova 2 LiteAmazon$0.30 / $2.50
- Qwen3.5-27BQwen$0.26 / $2.60
- Kimi K2.5Moonshot AI$0.45 / $2.25
- Devstral 2 2512Mistral$0.40 / $2
- Nemotron 3 UltraNVIDIA$0.50 / $2.20
Current models from other major providers, closest blended price.
FAQ
Gemini 3.5 Flash Lite questions
How much does Gemini 3.5 Flash Lite cost?
Gemini 3.5 Flash Lite costs $0.30 per million input tokens and $2.50 per million output tokens, with cached input at $0.03. A typical chatbot reply (1,500 tokens in, 400 out) costs about $0.00145. Use the LLM cost calculator for your own workload.
What is Gemini 3.5 Flash Lite's context window?
1,048,576 tokens, about 786,432 English words or 1,573 printed pages, shared between your prompt and the reply. A single reply can be up to 65,536 tokens.
Does Gemini 3.5 Flash Lite support prompt caching and batch requests?
Yes, cached input is billed at $0.03 per million tokens (10% of the normal input price). A batch API is available at $0.15 input and $1.25 output per million tokens.
What are cheaper alternatives to Gemini 3.5 Flash Lite?
With the same essentials (image input and tool calling), the cheapest options are Qwen3.5-9B (87% cheaper), Seed 1.6 Flash (85% cheaper), Claude Haiku 5.5 (76% cheaper). Cheaper doesn't mean equivalent, so test them on your own prompts.
Is Gemini 3.5 Flash Lite open source?
No, Gemini 3.5 Flash Lite is only available through Google's API and partners; its weights aren't published.