Flash — fastest and cheapest, lighter reasoningCommercial API

Gemini 3 Flash Preview Pricing

Google · google-gemini-3-flash-preview

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Input / 1M tokens

$0.500

Output / 1M tokens

$3.00

Context window

1,048,576 tokens

≈ 1,398 pages of text

Max output

65,535 tokens

What it costs in practice

Typical request (1,200 in + 400 out tokens)$0.0018

1,000 requests / month$1.80/mo 10,000 requests / month$18.00/mo 100,000 requests / month$180.00/mo

Estimate your own workloadOpens the calculator with Gemini 3 Flash Preview preloaded — adjust volume and token counts there.

Price history

Only one price point recorded so far.

The staircase chart appears once a price change is detected.

What it excels at

Handles 1M-token contexts and multimodal inputs at high volume with low input cost. Suitable for large-scale document processing and real-time audio/vision pipelines.

The business tradeoff

Reasoning depth trails non-flash Gemini variants on complex tasks. Output token cost is six times input cost, increasing expense for generation-heavy workloads.

Cheaper from Google

Gemini 3.5 Flash-LiteGoogle$0.0014/ typical request Gemma 4 26B A4BGoogle$0.0002/ typical request

Same tier from other providers

GPT-5.4 NanoOpenAI$0.0007/ typical request Claude Haiku 4.5Anthropic$0.0032/ typical request Llama 3.3 70BMeta$0.0003/ typical request

Head-to-head

Gemini 3 Flash Preview vs GPT-5.4 Nano →Gemini 3 Flash Preview vs Claude Haiku 4.5 →Gemini 3 Flash Preview vs Llama 3.3 70B →

Vendor list rates, as of Jun 15, 2026 · source: openrouter · per-request examples assume 1,200 input + 400 output tokens.