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Gemini 3 Flash(Legacy) API Price
Google · gemini-3-flash
| Billing | USD · 1M tokens |
|---|---|
| Context Window | 1000K tokens |
| Max Output | 64K tokens |
| Modalities | Text / Image / Audio / Video |
| Deep Thinking | Supported |
| Verified Date | 2026-09-07 |
| Official pricing page | ai.google.dev/gemini-api/docs/pricing ↗ |
Source text: the note below is the model's official text, kept in its original Chinese and not translated.
Gemini 3 世代 Flash 基线 id(2025-12 发布,音频输入 $1.00);定价 $0.50/$3.00,已被 3.5/3.6/3.7/3.8 Flash 取代,现为 Legacy。
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Monthly Cost Estimate
30 days · no cache hits · list price
Free quotas, tiered pricing, batch discounts, and time-based pricing are not included; refer to official bills.
Google Related Models
- Gemini 3.8 Flash $0.75 / $3.75
- Gemini 3.7 Flash $0.75 / $3.75
- Gemini 3.6 Flash $0.75 / $3.75
- Gemini 3.6 Flash-Tiered $0.75 / $3.75
- Gemini 3.5 Flash $1.5 / $9
- Gemini 3.5 Flash-Lite $0.3 / $2.5
- Gemini 3.1 Flash-Lite $0.25 / $1.5
- Gemini 3.1 Pro Preview $2 / $12
- Gemini 3 Pro Preview(Legacy) $2 / $12
- Gemini 2.5 Pro $1.25 / $10
- Gemini 2.5 Flash $0.3 / $2.5
- Gemini 2.5 Flash-Lite $0.1 / $0.4
- Gemini 3.8 Live(3.8 Live Extended Thinking / 3.1 Flash Live Preview) $0.75 / $4.5
- Gemini 3.5 Live Translate $3.5 / $21
- Nano Banana 2(Gemini 3.1 Flash Image) $0.5 / $60
- Nano Banana 2 Lite(Gemini 3.1 Flash Lite Image) $0.25 / $30
- Nano Banana Pro(Gemini 3 Pro Image) $2 / $120
- Nano Banana Pro (Gemini 3 Pro Image, Preview channel) $2 / $120
- Veo 3.1 $0.4 /sec
- Veo 3.1 Fast $0.1 /sec
- Veo 3.1 Lite $0.05 /sec
- Veo 2.0(Discontinued) $0.35 /sec
- Veo 3.0(Discontinued) $0.4 /sec
- Veo 3.0 Fast(Discontinued) $0.15 /sec
- Gemini Omni Flash $1.5 / $17.5
- Gemini 3.1 Flash TTS Preview $1 / $20
- Gemini 3.5 Transcribe $2 / $12
- Gemini 3.5 Transcribe Live $3.5 / $21
- Lyria 3.5 $0.08 /track
- Lyria 3 Clip Preview $0.04 /track
- Lyria 3 Pro Preview $0.08 /track
FAQ
How much does the Gemini 3 Flash(Legacy) API cost?
Input $0.5/1M tokens, output $3/1M tokens
How large is the Gemini 3 Flash(Legacy) context window?
1000K tokens, up to 64K tokens of output. Handles long documents, multi-turn conversations and large-scale inputs.
Which input modalities does Gemini 3 Flash(Legacy) support?
Text / Image / Audio / Video. Supports deep thinking / reasoning.
What is the approximate monthly cost of Gemini 3 Flash(Legacy)?
Depends on volume: light use (1M input + 300K output per day) ≈ $42/month; medium (5M + 1.5M) ≈ $210/month; heavy agents (10M + 3M) ≈ $420/month. Cache hits, batch discounts and tiered pricing can lower this further.
How does Gemini 3 Flash(Legacy) compare with peers on value?
Google Gemini 3 Flash(Legacy) is priced low among comparable models; compare against similar models. See the Pricemon market table for a full comparison.
What use cases suit Gemini 3 Flash(Legacy)?
Suited to applications in its domain.The long context supports deep-analysis scenarios.
Does Gemini 3 Flash(Legacy) have a free tier?
Check Google's official pricing page for the latest free quota, trial policy and tiered pricing. Policies differ by vendor and change over time.