Gemini 3.5 Flash Lite

The Gemini 3.5 Flash API delivers an ultra-efficient, sub-second latency model for high-frequency tasks. With a 1M token context window and native multimodal support, it is the cost-optimized choice for developers on GPTProto.com.

Modalities

Context

API Usage Examples

curl --request POST "https://gptproto.com/v1/chat/completions" \
  --header "Authorization: Bearer $GPTPROTO_API_KEY" \
  --header "Content-Type: application/json" \
  --data '{
    "model": "gemini-3.5-flash-lite",
    "messages": [
      {
        "role": "user",
        "content": "Hello"
      }
    ]
  }'

Gemini 3.5 Flash Lite pricing

Estimate a request with real work scenarios. GPTProto token pricing is 40% below official rates.

UsageQuantityRateCost

Input tokens($0.18/1M)

tokens

$0.18/1M$0.0002

Output tokens($1.5/1M)

tokens

$1.5/1M$0.0011

Cache write tokens($0.6/1M)

tokens

$0.6/1M$0.0018

Cache read tokens($0.018/1M)

tokens

$0.018/1M$0.0004

Cost per request$0.0037

Requests

Top-up amount

Top-up $100 and you get:

Top-up credits with permanent validity. You will receive a total of $100.00.

Additional 40% model discount, saving $66.6621 versus direct official Google API calls.

Related Models

All Models

Gemini 3.5 Flash Lite

Current

byGoogle1.05M context$0.18/M input$1.5/M output

GPT 6 Astra

byOpenAI$8/M input$40/M output

Gemini 3.8 Flash

byGoogle1.05M context$0.9/M input$4.5/M output

Claude Fable 5.1

byClaude1M context$9/M input$45/M output

Qwen3.8 Max 0902

byQwen1M context$1.8/M input$5.4/M output

GLM 5.3 Flash

byZ-AI1.31M context$0.15/M input$0.5/M output

DeepSeek v4 Flash Vision Exp

byDeepSeek1.05M context$0.44/M input$1.32/M output

GLM 5.3

byZ-AI1.31M context$1.26/M input$3.96/M output

Gemini 3.7 Flash

byGoogle1.05M context$0.9/M input$4.5/M output

Grok 4.6

byGrok500K context$1.2/M input$3.6/M output

Qwen3.8 Max

byQwen1M context$1.8/M input$5.4/M output

Claude Opus 5

byClaude1M context$4.5/M input$22.5/M output

Gemini 3.6 Flash

byGoogle1.05M context$0.9/M input$4.5/M output

Kimi K3

byMoonshotAI1.05M context$2.7/M input$13.5/M output

GPT 5.6 Luna

byOpenAI1.05M context$0.16/M input$0.96/M output

GPT 5.6 Terra

byOpenAI1.05M context$1.6/M input$9.6/M output

Grok 4.5

byGrok500K context$1.2/M input$3.6/M output

Claude Sonnet 5

byClaude1M context$1.8/M input$9/M output

MiniMax M3

byMiniMax1.05M context$0.48/M input$0.96/M output

GLM 5.2

byZ-AI1.05M context$1.26/M input$3.96/M output

Qwen3.7 Max

byQwen1M context$0.36/M input$1.44/M output

Gemini 3.5 Flash

byGoogle1.05M context$0.9/M input$5.4/M output

DeepSeek v4 Flash

byDeepSeek1.05M context$0.44/M input$1.32/M output

DeepSeek v4 Pro

byDeepSeek1.05M context$1.32/M input$3.96/M output

Grok 4.3

byGrok1M context$0.75/M input$1.5/M output

Kimi K2.6

byMoonshotAI262K context$0.855/M input$3.6/M output

Gemini 3.1 Flash Lite Preview

byGoogle1.05M context$0.15/M input$0.9/M output

MiniMax M2.5

byMiniMax205K context$0.24/M input$0.96/M output

Gemini 3.1 Pro Preview

byGoogle1.05M context$1.2/M input$7.2/M output

Kimi K2.5

byMoonshotAI262K context$0.54/M input$2.7/M output

Doubao Seed 1.6 Thinking (Build 250715)

byBytedance262K context$0.0971/M input$0.9714/M output

Doubao Seed 1.6 Thinking (Build 250615)

byBytedance262K context$0.0971/M input$0.9714/M output

Doubao Seed 1.6 Flash (Build 250615)

byBytedance262K context$0.0182/M input$0.1821/M output

Model					Input → Output
Gemini 3.5 Flash LiteCurrent $		1.05M	$0.18 / $1.50 per 1M	$0.60 / $0.02 per 1M	Input: TextInput: ImageInput: Document Output: Text
GPT 6 Astra $		—	$8.00 / $40.00 per 1M	$10.00 / $0.80 per 1M	Input: TextInput: ImageInput: Document Output: Text
Gemini 3.8 Flash $		1.05M	$0.90 / $4.50 per 1M	$0.60 / $0.09 per 1M	Input: TextInput: ImageInput: VideoInput: DocumentInput: Audio Output: Text
Claude Fable 5.1 $		1M	$9.00 / $45.00 per 1M	$11.25 / $0.23 per 1M	Input: TextInput: ImageInput: Document Output: Text
Qwen3.8 Max 0902 $		1M	$1.80 / $5.40 per 1M	$2.25 / $0.23 per 1M	Input: TextInput: ImageInput: VideoInput: DocumentInput: Audio Output: Text
GLM 5.3 Flash $	—	1.31M	$0.15 / $0.50 per 1M	— / $0.03 per 1M	Input: TextInput: ImageInput: VideoInput: Document Output: Text
DeepSeek v4 Flash Vision Exp $	—	1.05M	$0.44 / $1.32 per 1M	— / $0.01 per 1M	Input: TextInput: Image Output: Text
GLM 5.3 $		1.31M	$1.26 / $3.96 per 1M	— / $0.23 per 1M	Input: TextInput: ImageInput: Document Output: Text
Gemini 3.7 Flash $		1.05M	$0.90 / $4.50 per 1M	$0.60 / $0.09 per 1M	Input: TextInput: ImageInput: Document Output: Text
Grok 4.6 $		500K	$1.20 / $3.60 per 1M	— / $0.30 per 1M	Input: TextInput: Image Output: Text
Qwen3.8 Max $		1M	$1.80 / $5.40 per 1M	$2.25 / $0.23 per 1M	Input: TextInput: ImageInput: VideoInput: Document Output: Text
Claude Opus 5 $		1M	$4.50 / $22.50 per 1M	$5.63 / $0.45 per 1M	Input: TextInput: ImageInput: Document Output: Text
Gemini 3.6 Flash $		1.05M	$0.90 / $4.50 per 1M	$0.60 / $0.09 per 1M	Input: TextInput: ImageInput: Document Output: Text
Kimi K3 $		1.05M	$2.70 / $13.50 per 1M	$0.27 / $0.27 per 1M	Input: TextInput: ImageInput: Document Output: Text
GPT 5.6 Luna $		1.05M	$0.16 / $0.96 per 1M	$0.20 / $0.02 per 1M	Input: TextInput: ImageInput: Document Output: Text
GPT 5.6 Terra $		1.05M	$1.60 / $9.60 per 1M	$2.00 / $0.16 per 1M	Input: TextInput: ImageInput: Document Output: Text
Grok 4.5 $		500K	$1.20 / $3.60 per 1M	$0.30 / $0.30 per 1M	Input: TextInput: Image Output: Text
Claude Sonnet 5 $		1M	$1.80 / $9.00 per 1M	$2.25 / $0.18 per 1M	Input: TextInput: Document Output: Text
MiniMax M3 $		1.05M	$0.48 / $0.96 per 1M	$0.10 / $0.10 per 1M	Input: TextInput: ImageInput: Document Output: Text
GLM 5.2 $		1.05M	$1.26 / $3.96 per 1M	$0.23 / $0.23 per 1M	Input: TextInput: ImageInput: Document Output: Text
Qwen3.7 Max $		1M	$0.36 / $1.44 per 1M	$0.07 / $0.07 per 1M	Input: TextInput: Document Output: Text
Gemini 3.5 Flash $		1.05M	$0.90 / $5.40 per 1M	$0.60 / $0.09 per 1M	Input: TextInput: ImageInput: Document Output: Text
DeepSeek v4 Flash $	—	1.05M	$0.44 / $1.32 per 1M	— / $0.01 per 1M	Input: Text Output: Text
DeepSeek v4 Pro $	—	1.05M	$1.32 / $3.96 per 1M	— / $0.04 per 1M	Input: Text Output: Text
Grok 4.3 $		1M	$0.75 / $1.50 per 1M	$0.12 / $0.12 per 1M	Input: TextInput: Image Output: Text
Kimi K2.6 $		262K	$0.85 / $3.60 per 1M	$0.14 / $0.14 per 1M	Input: TextInput: Document Output: Text
Gemini 3.1 Flash Lite Preview $		1.05M	$0.15 / $0.90 per 1M	$0.60 / $0.01 per 1M	Input: TextInput: ImageInput: Document Output: Text
MiniMax M2.5 $		205K	$0.24 / $0.96 per 1M	$0.30 / $0.02 per 1M	Input: TextInput: Document Output: Text
Gemini 3.1 Pro Preview $		1.05M	$1.20 / $7.20 per 1M	$2.70 / $0.12 per 1M	Input: TextInput: ImageInput: Document Output: Text
Kimi K2.5 $		262K	$0.54 / $2.70 per 1M	$0.09 / $0.09 per 1M	Input: TextInput: Document Output: Text
Doubao Seed 1.6 Thinking (Build 250715) $		262K	$0.10 / $0.97 per 1M	—	Input: TextInput: Image Output: Text
Doubao Seed 1.6 Thinking (Build 250615) $		262K	$0.10 / $0.97 per 1M	—	Input: TextInput: Image Output: Text
Doubao Seed 1.6 Flash (Build 250615) $		262K	$0.02 / $0.18 per 1M	—	Input: TextInput: Image Output: Text

Gemini 3.5 Flash API Key Features

Technical highlights that make the gemini 3.5 flash api the leader in efficiency and multimodal performance.

1M Token Context Window

Process massive datasets or entire books in a single gemini request, enabling comprehensive long-context analysis.

Sub-100ms Low Latency

Optimized for an instant-feel, the gemini 3.5 flash api is ideal for gaming NPCs and responsive customer service agents.

Native Multimodal Vision

Gemini natively understands PDFs, video, and audio, scoring 68.2% on the MMMU benchmark for visual reasoning.

Cost-Optimized API Pricing

At $0.075 per 1M input tokens, this is the most affordable model in the gemini family for high-scale production.

Gemini 3.5 Flash API Common Questions

Get expert answers about integrating the gemini 3.5 flash api into your production environment and understanding its unique capabilities.

How fast is the gemini 3.5 flash api for text tasks?

This gemini model is built for speed, delivering a sub-100ms time to first token. It is roughly 30-40% faster than the standard version for text prompts, making gemini perfect for interactive chatbots.

Is my data used to train the gemini model?

No. When you access gemini through our platform, your data is not used to train the underlying foundation models. We prioritize security and privacy for all gemini 3.5 flash api interactions.

Can gemini process large PDF documents?

Yes, gemini supports PDF files up to 1,000 pages or 50MB. The gemini 3.5 flash api uses native vision to interpret charts, diagrams, and tables within the document context effectively.

How do I migrate to the gemini 3.5 flash api?

Migration is simple since our gemini endpoint is OpenAI-compatible. Just update your base URL and change the model parameter to gemini-3.5-flash-lite to start using the api immediately.

What are the reasoning limits of this gemini version?

While gemini is excellent for classification and summarization, it may struggle with advanced calculus or complex logic. For high-stakes reasoning, we recommend routing those specific queries to Gemini Pro.

Does gemini support structured data extraction?

Absolutely. The gemini 3.5 flash api features an optimized internal head for JSON schema adherence, achieving a 98% success rate on complex nested extraction tasks for developers.