Gemini 3 Flash Preview
Provider: vertex ai ·
vertex_ai/gemini-3-flash-preview Pricing per million tokens
| Component | USD per 1M tokens |
|---|---|
| Input | $0.50 |
| Output | $3.00 |
| Cached input (read) | $0.05 |
💡 With prompt caching, you save up to 90% on cached input tokens — massive for repeated context like system prompts, RAG retrieval, or long conversations.
Monthly cost estimates
Assuming 30% prompt-cache hit rate where available. Adjust for your actual usage.
Small
1M in / 200k out
$0.97
per month
Saves $0.14 via caching
Medium
10M in / 2000k out
$9.65
per month
Saves $1.35 via caching
Large
100M in / 20000k out
$96.50
per month
Saves $13.50 via caching
Context
- Input window
- 1,048,576 tokens
- Max output
- 65,535 tokens
Capabilities
- ✅ Vision (image input)
- ✅ Function / tool calling
- ✅ Prompt caching
- ✅ Web search
- ✅ JSON / response schema
Compare Gemini 3 Flash Preview with similar models
Gemini 3 Pro Preview
vertex ai
$2.00 in
/ $12.00 out
Gemini 3.1 Pro Preview
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$2.00 in
/ $12.00 out
Gemini 3.1 Pro Preview Customtools
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$2.00 in
/ $12.00 out
Grok 4.1 Fast Non Reasoning
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$0.20 in
/ $0.50 out
Grok 4.1 Fast Reasoning
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$0.20 in
/ $0.50 out
Grok 4.20 Non Reasoning
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$2.00 in
/ $6.00 out
Pricing data sourced from LiteLLM and refreshed regularly. Last updated May 20, 2026. Always verify with the provider's official pricing page before making business decisions.