gemini-3.1-flash-lite

vertex_ai-language-models · Chat model

gemini-3.1-flash-lite is listed here as a chat model from vertex_ai-language-models. This page shows simple API pricing, token limits, and capability flags so you can compare it with similar options.

Provider and model identifiers are kept in their original form for accuracy.

vertex_ai-language-models-vertex_ai-gemini-3-1-flash-lite

Input

$0.2500 / 1M tokens

Output

$1.5000 / 1M tokens

Cached input

$0.0250 / 1M tokens

Context window

65.5K

Compare this model Open a side-by-side table using this route and a close match from the current catalog. Estimate cost Use token counts, request volume, and cache assumptions to check a realistic monthly bill.

Quick read

Best for

Use this page when you need a fast view of cost, context size, and supported features before testing the model in your own workload.

Things to verify

Always check the provider page for discounts, cache pricing, region rules, and any model limits that may not appear in public metadata.

Pricing

Item	Price
Input	$0.2500 / 1M tokens
Output	$1.5000 / 1M tokens
Cached input	$0.0250 / 1M tokens
Reasoning output	$1.5000 / 1M tokens
Audio input	$0.5000 / 1M tokens
Embedding	$0.2500 / 1M tokens
Batch input	$0.1250 / 1M tokens
Batch output	$0.7500 / 1M tokens
Priority input	$0.4500 / 1M tokens
Priority output	$2.7000 / 1M tokens
Flex input	$0.1250 / 1M tokens
Flex output	$0.7500 / 1M tokens

Limits

Context window

65.5K

Max input tokens

1.0M

Max output tokens

65.5K

Max tokens

65.5K

Explore benchmarks Review benchmark rows by family and benchmark label without cross-benchmark ranking. Check data sources See how pricing data is generated and what still needs provider verification. API vs subscription Learn when API pricing matters compared with ChatGPT, Claude Code, Cursor, or Copilot subscriptions. Cache and batch pricing Understand cached input, cache write, batch, priority, and flex pricing rows shown on this page.

Capabilities

Capability	Supported
Vision	Supported
Function calling	Supported
Parallel function calling	Supported
Tool choice	Supported
Prompt caching	Supported
Reasoning	Supported
Response schema	Supported
System messages	Supported
Audio input	Supported
Audio output	-
Web search	Supported
PDF input	Supported
Video input	Supported

Similar models

Candidates below have the same known input/output modality shape and usable token pricing. Use the filters to change the ranking lens before opening a comparison.

Comparing from

Model	Cost	Input shape	Features	Context	Why it is close
gemini-3.1-flash-lite vertex_ai-language-models	In $0.2500 / 1M tokens Out $1.5000 / 1M tokens	pdfurl Output: text	VisionFunction callingParallel function callingTool choice	65.5K	Current model Reference row

Model	Cost	Input shape	Features	Context	Why it is close
gemini-3.1-flash-lite-preview vertex_ai-language-models	In $0.2500 / 1M tokens Out $1.5000 / 1M tokens	pdfurl Output: text	VisionFunction callingParallel function callingTool choice	65.5K	Same provider Overall 76%
gemini-3.1-flash-lite vertex_ai-language-models	In $0.2500 / 1M tokens Out $1.5000 / 1M tokens	pdfurl Output: text	VisionFunction callingParallel function callingTool choice	65.5K	Same provider Overall 76%
gemini-3.1-flash-lite-preview Google	In $0.2500 / 1M tokens Out $1.5000 / 1M tokens	pdfurl Output: text	VisionFunction callingParallel function callingTool choice	65.5K	Exact I/O shape Overall 76%
gemini-3.1-flash-lite Google	In $0.2500 / 1M tokens Out $1.5000 / 1M tokens	pdfurl Output: text	VisionFunction callingParallel function callingTool choice	65.5K	Exact I/O shape Overall 76%
gemini-3.1-flash-lite-preview OpenRouter	In $0.2500 / 1M tokens Out $1.5000 / 1M tokens	pdfurl Output: text	VisionFunction callingParallel function callingTool choice	65.5K	Exact I/O shape Overall 76%
gemini-3.1-flash-lite OpenRouter	In $0.2500 / 1M tokens Out $1.5000 / 1M tokens	pdfurl Output: text	VisionFunction callingParallel function callingTool choice	65.5K	Exact I/O shape Overall 76%
gemini-3.1-flash-lite-preview vertex_ai-language-models	In $0.2500 / 1M tokens Out $1.5000 / 1M tokens	pdfurl Output: text	VisionFunction callingParallel function callingTool choice	65.5K	Same provider Overall 76%
gemini-2.5-flash vertex_ai-language-models	In $0.3000 / 1M tokens Out $2.5000 / 1M tokens	pdfurl Output: text	VisionFunction callingParallel function callingTool choice	65.5K	Same provider Overall 66%
gemini-2.5-flash-preview-09-2025 vertex_ai-language-models	In $0.3000 / 1M tokens Out $2.5000 / 1M tokens	pdfurl Output: text	VisionFunction callingParallel function callingTool choice	65.5K	Same provider Overall 66%
gemini-3-flash-preview vertex_ai-language-models	In $0.5000 / 1M tokens Out $3.0000 / 1M tokens	pdfurl Output: text	VisionFunction callingParallel function callingTool choice	65.5K	Same provider Overall 62%
gemini-3.5-flash Vertex AI	In $1.5000 / 1M tokens Out $9.0000 / 1M tokens	pdfurl Output: text	VisionFunction callingParallel function callingTool choice	65.5K	Exact I/O shape Overall 59%
gemini-3.5-flash Google	In $1.5000 / 1M tokens Out $9.0000 / 1M tokens	pdfurl Output: text	VisionFunction callingParallel function callingTool choice	65.5K	Exact I/O shape Overall 59%

Sources

Source links	Row source LiteLLM repository LiteLLM model cost map
Pricing data	LiteLLM model cost map
Synced at	2026-05-28
Catalog generated	2026-07-07T08:19:07.388Z