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gemini-3.1-flash-lite-preview

Gemini 3.1 Flash Lite Preview is Google's high-efficiency model optimized for high-volume use cases. It outperforms Gemini 2.5 Flash Lite on overall quality and approaches Gemini 2.5 Flash performance across...

textAPI availablereasoningfunction tools
gemini-3.1-flash-lite-preview

Tokely price / 1M tokens

$0.597432input
$0.059744cached input
$3.584588output

USD · Published rate · Updated 2026-10-06

OpenRouter reference$0.25 input · $1.5 output / 1M tokensStandard listed rates · 2026-10-06

Context window

1,048,576tokens · model specification

Model max output

65,536tokens

First request

Available
curl https://tokely.me/v1/chat/completions \
  -H "Authorization: Bearer $TOKELY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-3.1-flash-lite-preview",
    "messages": [{"role": "user", "content": "Hello!"}],
    "max_tokens": 256
  }'

Set TOKELY_API_KEY to your dashboard key. Requests require a funded Tokely balance. Base URL: https://tokely.me/v1.

Compare nearby prices

USD per million tokens. Compare price and context; these are not quality benchmarks.
ModelInputOutputContext
gemini-3.1-flash-lite-previewGoogle · this model$0.597432$3.5845881,048,576
gemini-3.1-flash-liteGoogle$0.597432$3.5845881,048,576
gpt-5-miniOpenAI$0.459563$3.6765400,000
gpt-5-mini-2025-08-07OpenAI$0.459563$3.6765400,000
MiniMax-M2.7MiniMax$0.825$3.3204,800

Capabilities & limits

Provider
Google
API model ID
gemini-3.1-flash-lite-preview
Category
Text
Endpoints
POST /v1/chat/completions
Tokely max output
65,536 tokens / request, including reasoning tokens
Default output
256 tokens. Set an explicit limit for longer responses.
Request limits
256 KB JSON body · 128 messages · 32 function tools
Rate limit
60 requests / minute / account, across its keys
Supported input
Text messages and function tool results
Model modalities
text, image, video, file, audio. Tokely currently accepts text input.

The context includes your instructions, conversation history, tool definitions and generated output. Keep the input and requested output within the model’s context window.

OpenRouter model reference

API reference

Authenticate with Authorization: Bearer YOUR_TOKELY_API_KEY. Use an OpenAI SDK with the Tokely base URL.

model
Required string: gemini-3.1-flash-lite-preview
messages
An array of system, developer, user, assistant and tool messages.
max_tokens
Optional integer, 1–65,536. Defaults to 256.
stream
Streaming has not been verified for this model.
reasoning_effort
Optional reasoning effort. Supported values depend on the model; omit to use its default.
tools
Function definitions executed by your application. Provider-hosted tools are not enabled.

The response contains choices with message or tool_calls, finish_reason, and usage (prompt_tokens, completion_tokens, total_tokens). Streaming sends chat completion chunks.

400 / 415
Invalid request, parameter, endpoint for this model, or content type.
401 / 403
Invalid, revoked or restricted API key.
402
Insufficient account balance or API key budget.
429
Request limit reached. Retry after the indicated delay.
502 / 503 / 504
Upstream failure, temporary service unavailability or request timeout.

Frequently asked questions

How much does gemini-3.1-flash-lite-preview cost?

$0.597432 per million input tokens, $3.584588 per million output tokens and $0.059744 per million cached input tokens. Usage is charged to your Tokely balance.

Do I need a separate Google account?

Use your Tokely API key and balance. A separate provider key is not required.

How do I switch to this model?

Set model to gemini-3.1-flash-lite-preview and use /v1/chat/completions. Keep your Tokely base URL and API key.

What is the context window?

1,048,576 tokens, including input and output. The Tokely request body and output limits listed above also apply.

Related versions

gemini-3.1-flash-liteGoogle