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GoogleReleased March 3, 2026

Gemini 3.1 Flash-Lite

Google · Released March 3, 2026

Intelligence score

25

At a glance

Intelligence
25
Speed
339.0tokens/sec
Latency
5.32stime to first token
Input price
$0.25per 1M tokens
Output price
$1.50per 1M tokens
Context window
3tokens
Parameters
—

Summary

Comparison summary

Gemini 3.1 Flash-Lite scores 25 on the Artificial Analysis Intelligence Index, placing it above average among other reasoning models in a similar price tier (median: 15). Gemini 3.1 Flash-Lite generates output at 339.0 tokens per second (based on Google's API), which is well above average compared to other reasoning models in a similar price tier (median: 99.1 t/s). Gemini 3.1 Flash-Lite costs $0.25 per 1M input tokens (better than average, median: $0.25) and $1.50 per 1M output tokens (somewhat higher than average, median: $0.87), based on Google's API.

Specifications

Technical specifications

Model nameGemini 3.1 Flash-Lite
ProviderGoogle
Release dateMarch 3, 2026
Intelligence score25
Speed339.0 tokens/sec
Latency (TTFT)5.32s
Input price$0.25 / 1M tokens
Output price$1.50 / 1M tokens
Context window3 tokens
Parameters—
ReasoningYes
Input modalitiestext, image, audio, video
Output modalities—
Open weightsNo
License—
API availability—
SourceModel Intelligence legacy profile: gemini-3-1-flash-lite-preview

Pricing

Token prices

Price per 1M tokens

Gemini 3.1 Flash-Lite, as listed in the catalog record

Input $0.25 and output $1.50 per 1M tokens. Missing prices are hatched and marked "Not published".
  1. Input$0.25
  2. Output$1.50

Model Intelligence legacy profile: gemini-3-1-flash-lite-preview

FAQ · 20

Frequently asked questions

Gemini 3.1 Flash-Lite was released on March 3, 2026.

Gemini 3.1 Flash-Lite was created by Google.

Gemini 3.1 Flash-Lite scores 25 on the Artificial Analysis Intelligence Index, placing it above average among other reasoning models in a similar price tier (median: 15).

Gemini 3.1 Flash-Lite generates output at 339.0 tokens per second (based on Google's API), which is well above average compared to other reasoning models in a similar price tier (median: 99.1 t/s).

Gemini 3.1 Flash-Lite has a time to first token (TTFT) of 5.32s (based on Google's API), which is at the higher end compared to other reasoning models in a similar price tier (median: 1.95s).

Gemini 3.1 Flash-Lite costs $0.25 per 1M input tokens (better than average, median: $0.25) and $1.50 per 1M output tokens (somewhat higher than average, median: $0.87), based on Google's API.

Gemini 3.1 Flash-Lite costs $0.25 per 1M input tokens and $1.50 per 1M output tokens (based on Google's API). For a blended rate (7:2:1 cache hit/input/output ratio), this is $0.22 per 1M tokens. Pricing may vary by provider.

When evaluated on the Intelligence Index, Gemini 3.1 Flash-Lite generated 55M output tokens, which is better than average compared to other reasoning models in a similar price tier (median: 55M).

Yes, Gemini 3.1 Flash-Lite is a reasoning model. It uses extended thinking or chain-of-thought reasoning to work through complex problems before providing an answer.

Gemini 3.1 Flash-Lite supports text, image, speech, and video input.

Gemini 3.1 Flash-Lite supports text output.

Yes, Gemini 3.1 Flash-Lite supports image input and can analyze, describe, and answer questions about images.

Yes, Gemini 3.1 Flash-Lite is multimodal. It can process text, image, speech, and video input and generate text output.

Gemini 3.1 Flash-Lite has a context window of 1.0M tokens. This determines how much text and conversation history the model can process in a single request.

No, Gemini 3.1 Flash-Lite is proprietary. The model weights are not publicly available.

Gemini 3.1 Flash-Lite is a proprietary model and Google has not disclosed the model size or parameter count.

Gemini 3.1 Flash-Lite achieves a score of 25 on the Artificial Analysis Intelligence Index. This composite benchmark evaluates models across reasoning, knowledge, mathematics, and coding.

Gemini 3.1 Flash-Lite has a knowledge cutoff of January 2025. The model's training data includes information up to this date.

Yes, Gemini 3.1 Flash-Lite is available via API through 1 provider.

Gemini 3.1 Flash-Lite is available through 1 API provider.