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Gemini 3.5 Flash API Price
Google · gemini-3.5-flash
| Billing | USD · 1M tokens |
|---|---|
| Modalities | Text / Image / Video / Audio |
| Deep Thinking | Supported |
| Batch API | 50% off (input $0.75 / output $4.5) |
| Verified Date | 2026-10-09 |
| 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.
Context caching storage: $1.00/1M tokens per hour. Grounding with Google Search: 5,000 free/month then $14/1,000 requests.
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Pricing Tiers
| Tier | Price | Description |
|---|---|---|
| Flex | in $0.75 / out $4.5 /1M tokens | Flex caching $0.08 differs from Batch $0.075 |
| Priority | in $2.7 / out $16.2 /1M tokens | — |
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 $1.5 / $7.5
- Gemini 3.6 Flash-Tiered $0.75 / $3.75
- Gemini 3.5 Flash-Lite $0.3 / $2.5
- Gemini 3.1 Flash-Lite Free
- Gemini 3.1 Pro Preview $2 / $12
- Gemini 3 Pro Preview $4 / $20
- Gemini 3 Flash (previous generation) Free
- Gemini 2.5 Pro Free
- Gemini 2.5 Flash (text/image/video/audio) Free
- Gemini 2.5 Flash-Lite Free
- Gemini 3.8 Live Free
- Gemini 3.5 Live Translate Free
- Gemini 3.1 Flash Image (Nano Banana 2) $0.5 / $60
- Gemini 3.1 Flash Lite Image (Nano Banana 2 Lite) $0.25 / $30
- Gemini 3 Pro Image (Nano Banana Pro) $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 3.8 Flash TTS Free
- Gemini 3.8 Flash-Lite TTS Free
- Gemini 3.1 Flash TTS Preview Free
- Gemini 2.5 Flash Preview TTS Free
- Gemini 2.5 Pro Preview TTS $1 / $20
- Gemini 3.5 Transcribe Free
- Gemini 3.5 Transcribe Live Free
- Lyria 3.5 Tiered
- Lyria 3 Clip Preview Tiered
- Lyria 3 Pro Preview Tiered
- Gemini 3.8 Live Extended Thinking Free
- Gemini 3.1 Flash Live Preview Free
- Gemini Omni Flash Preview $1.5 / $17.5
- Gemini 3.1 Pro Preview (Custom Tools) $2 / $12
- Gemini Nano Banana 2.1 $1.5 / $30
- Gemini 3 Flash Preview Free
- Gemini 2.5 Flash Native Audio (Live API) Free
- Gemini 2.5 Flash Image (Nano Banana) $0.3 / $30
- Gemini Embedding 2 Free
- Gemini Robotics ER 2 Preview Free
- Gemini Robotics ER 2 Streaming Preview Free
- Gemini 4 Argon $2 / $10
- Gemini 3 Pro (text/image/video/audio) $4 / $18
- Gemini Live (audio-to-audio) Free
- Gemini Live Translate Free
- Gemini Live Transcribe Free
- Gemini Transcribe Free
- Veo (next-generation video generation, generally available) $1.5 / $17.5
- Veo (next-generation video generation and editing model) $1.5 / $17.5
FAQ
How much does the Gemini 3.5 Flash API cost?
Input $1.5/1M tokens, output $9/1M tokens
Which input modalities does Gemini 3.5 Flash support?
Text / Image / Video / Audio. Supports deep thinking / reasoning.
Does Gemini 3.5 Flash offer Batch API discounts?
Yes. The Batch API gets 50% off — input $0.75/1M tokens, output $4.5/1M tokens. Suited to non-realtime, asynchronous workloads.
What is the approximate monthly cost of Gemini 3.5 Flash?
Depends on volume: light use (1M input + 300K output per day) ≈ $126/month; medium (5M + 1.5M) ≈ $630/month; heavy agents (10M + 3M) ≈ $1,260/month. Cache hits, batch discounts and tiered pricing can lower this further.
How does Gemini 3.5 Flash compare with peers on value?
Google Gemini 3.5 Flash is priced low among comparable models; compare against GPT-4o, Claude 3.5 and Gemini 2.5. See the Pricemon market table for a full comparison.
What use cases suit Gemini 3.5 Flash?
Good for: chat systems, customer support, content generation, coding assistance, data analysis.
Does Gemini 3.5 Flash 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.