Google: Gemini 3.1 Flash Lite Preview

Public pricingIntelligence 79/100Huge memory视觉深度思考工具调用

Google: Gemini 3.1 Flash Lite Preview 是一款音频模型，适合视觉语言理解。它结合了多模态输入处理、图像理解、1M+ tokens上下文和低成本定位，可在audio understanding and multimodal input中提供可靠表现。它适合重视延迟、成本与吞吐的团队，能带来稳定输出、灵活部署与扩展空间。 它适合需要稳定回答、较长上下文、清晰结构和可扩展部署的团队。 它适合需要稳定回答、较长上下文、清晰结构和可扩展部署的团队。 它适合需要稳定回答、较长上下文、清晰结构和可扩展部署的团队。 它适合需要稳定回答、较长上下文、清晰结构和可扩展部署的团队。 它适合需要稳定回答、较长上下文、清晰结构和可扩展部署的团队。 它适合需要稳定回答、较长上下文、清晰结构和可扩展部署的团队。

Input

$0.25/1M

Output

$1.50/1M

Cached

$0.03/1M

Batch

$0.05/1M

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What would Gemini 3.1 Flash Lite Preview cost you?

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Technical specifications

Gemini 3.1 Flash Lite Preview at a glance.

Memory

1,048,576

tokens

Max reply

65,536

tokens

Memory tier

Huge

multiple books or whole repositories

Tokenizer

sentencepiece

Released

Mar 2026

Training cutoff

Apr 2025

Availability

Public pricing

Status

active

Benchmarks

Quality benchmarks

Independent evaluations from public leaderboards. Higher is better.

  • humanitys_last_exam

    8.64

What it can do

Capabilities & limits.

  • Understands images
  • Deep step-by-step thinking
  • Uses tools / calls functions
  • Strict JSON output
  • Streams replies
  • Fine-tunable on your data

When to pick Gemini 3.1 Flash Lite Preview

  • Multi-step reasoning, research agents, or hard math.
  • Screenshot analysis, image understanding, or document OCR.
  • Agentic workflows that call tools or APIs.
  • Long documents, full codebases, or extensive chat histories.

When to look elsewhere

  • Very latency-sensitive, real-time apps where every millisecond counts.

Alternatives

Similar models to compare.

FAQ

Gemini 3.1 Flash Lite Preview — the questions we see most.

Pricing, capabilities, alternatives — generated from the same data that powers the calculator above.

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At a typical workload of 50,000 conversations a month with 1,500-token prompts and 800-token replies, Gemini 3.1 Flash Lite Preview costs roughly $79 per month. Input is $0.25 /1M tokens and output is $1.50 /1M tokens.
Gemini 3.1 Flash Lite Preview has a 1,048,576-token context window (huge memory — multiple books or whole repositories). That means you can fit about 196,608 words of input and history in a single call.
Beyond text generation, Gemini 3.1 Flash Lite Preview supports understanding images, deep step-by-step reasoning, calling functions / tools, strict JSON output, fine-tuning on your own data. It streams replies by default.
Gemini 3.1 Flash Lite Preview was released in March 2026, with training data cut off around April 2025.
Models in a similar class include Gemini 2.5 Flash, Gemini 2.0 Flash, Gemini 2.5 Flash Lite. The "Similar models" section below this FAQ links into each.

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