How much does Gemini 3.1 Flash-Lite cost?

As of November 2, 2026, Gemini 3.1 Flash-Lite costs $0.25 per 1M input tokens and $1.50 per 1M output tokens on the Google API.

What is the context window of Gemini 3.1 Flash-Lite?

Gemini 3.1 Flash-Lite has a 1M-token context window (1,048,576 tokens).

Gemini 3.1 Flash-Lite

Budget

by Google

As of November 2, 2026, Gemini 3.1 Flash-Lite by Google costs $0.25 per 1M input tokens and $1.50 per 1M output tokens, with a 1M-token context window.

Gemini 3.1 Flash-Lite is Google's most cost-efficient model to date, released in preview on May 5, 2026. At $0.25 per million input tokens and $1.50 per million output tokens, it costs roughly half of Gemini 3 Flash while keeping a 1,048,576 token context window and reasoning support. Google positions it for high-volume developer workloads where latency, throughput, and price-per-task matter more than frontier reasoning.

Input Price

$0.25

per 1M tokens

Output Price

$1.50

per 1M tokens

Context Window

1.0M

tokens

Released

2026-05

API access

Capabilities

textvisiontool-usecodereasoning

Key Strengths

✓$0.25 per 1M input tokens
✓1M token context window
✓2.5x faster time-to-first-token vs 2.5 Flash
✓Reasoning, vision, and tool use included

Best For

▸High-volume classification and extraction
▸Customer support routing
▸RAG over very long contexts
▸Batch document processing

Benchmark Scores

Benchmark	Score	Description
GPQA Diamond	86.9	Graduate-level science questions verified by domain experts

Scores sourced from public benchmark datasets. See full benchmark leaderboard for all models.

Pricing Details

Input tokens

$0.25

per 1M tokens

Output tokens

$1.50

per 1M tokens

Estimated cost per 1K requests

$1.00

~1K input + ~500 output tokens avg

Prices are subject to change. Check the official documentation for current pricing. See the cost calculator for detailed estimates.

Quick answers

How much does Gemini 3.1 Flash-Lite cost?: As of November 2, 2026, Gemini 3.1 Flash-Lite costs $0.25 per 1M input tokens and $1.50 per 1M output tokens on the Google API.
What is the context window of Gemini 3.1 Flash-Lite?: Gemini 3.1 Flash-Lite has a 1M-token context window (1,048,576 tokens).