Gemini 3.5 Flash-Lite API pricing
Gemini 3.5 Flash-Lite costs $0.3 per million input tokens and $2.5 per million output tokens. A typical chatbot request (about 1,500 input + 400 output tokens) costs $0.0015, or $1.47 per 1,000 requests.
0 characters0 words0 tokens (GPT o200k)
| Model | Per month |
|---|---|
| Gemini 3.5 Flash-Lite |
≈ = estimated token count: only OpenAI publishes its tokenizer. Claude counts use Anthropic’s published ratios; use the count_tokens API for an exact number.
Gemini 3.5 Flash-Lite price per million tokens
USD, Google standard tier. Prices checked on October 28, 2026.
| Token type | Price per 1M | With Batch API |
|---|---|---|
| Input | $0.3 | $0.15 |
| Cached input | $0.03 | $0.015 |
| Output | $2.5 | $1.25 |
Model ID: gemini-3.5-flash-lite · Source: ai.google.dev
What a Gemini 3.5 Flash-Lite request costs
| Request | Per request | Per 1,000 |
|---|---|---|
| Short chat reply 500 input + 200 output tokens | $0.00066 | $0.66 |
| Chatbot turn with context 1,500 input + 400 output tokens | $0.0015 | $1.47 |
| Document Q&A (RAG) 8,000 input + 500 output tokens | $0.0038 | $3.77 |
| Long-document summary 150,000 input + 2,000 output tokens | $0.05 | $52.25 |
Token counts are measured with GPT's o200k tokenizer and converted for Gemini 3.5 Flash-Lite (see below). No caching or batch discount.
Similarly priced models
| Model | Chatbot request | vs Gemini 3.5 Flash-Lite |
|---|---|---|
| DeepSeek Flash DeepSeek | $0.00095 | −35% |
| Gemini 3.1 Flash-Lite Google | $0.00099 | −33% |
| GPT-5 mini OpenAI | $0.0012 | −20% |
| Mistral Large 3 Mistral | $0.0014 | −6% |
| Gemini 2.5 Flash Google | $0.0015 | same |
| Grok Build 0.1 xAI | $0.0024 | +61% |
Frequently asked questions
How much does the Gemini 3.5 Flash-Lite API cost?
Gemini 3.5 Flash-Lite costs $0.3 per million input tokens and $2.5 per million output tokens on Google's standard tier. Prices checked on October 28, 2026.
How much does one Gemini 3.5 Flash-Lite request cost?
A typical chatbot request with about 1,500 input and 400 output tokens costs about $0.0015, or $1.47 per 1,000 requests. Paste your own prompt into the calculator on this page for an exact estimate.
Does Gemini 3.5 Flash-Lite support prompt caching?
Yes. Cached input costs $0.03 per million tokens, 90% less than regular input.
Does Gemini 3.5 Flash-Lite have a Batch API discount?
Yes: 50% off for requests sent through the Batch API, which may take up to 24 hours. That makes it $0.15 / $1.25 per million input / output tokens.
How are Gemini 3.5 Flash-Lite tokens counted?
Gemini 3.5 Flash-Lite's tokenizer is not published. We estimate about 1.05× the GPT o200k count for the same text.