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Gemini 3 Flash

Google

Fast and capable Gemini 3 — ideal for real-time applications needing 1M context

Input price$0.50 / 1M tokens
Output price$2.00 / 1M tokens
Context window1M tokens
Last updated2026-05-20

Quick calculator

tokens
tokens
req/day
Per request
$0.001500
Daily
$15.00
Monthly
$450.00
per month · 30-day estimate
Yearly
$5,475.00

Tips to reduce cost

  • →Use prompt caching to reuse repeated system prompts
  • →Trim whitespace and reduce verbose instructions
  • →Use a smaller model for classification or routing tasks
  • →Batch async requests to get 50% discount (OpenAI/Anthropic)
  • →Cache identical requests at the application layer

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Compared at your current token settings

About Gemini 3 Flash

Gemini 3 Flash is a mid-range large language model from google, priced at $0.5/1M input tokens and $2/1M output tokens. It is 81% cheaper than the market average and best suited for real-time 1m context apps. The 1M context window makes it suitable for very long documents, large codebases, and book-length inputs.

For most production workloads, the cost breakdown is dominated by input tokens (system prompts, context, retrieved documents) rather than output. At this price point, Gemini 3 Flash is a solid choice when balancing quality and cost at scale.

Gemini 3 Flash supports prompt caching at $0.125/1M — a 75% discount on repeated input tokens. For applications with a fixed system prompt or repeated document context (RAG, chatbots, agents), enabling caching is the single highest-leverage cost optimization available.

Frequently Asked Questions

How much does Gemini 3 Flash cost per 1,000 tokens?
Gemini 3 Flash costs $0.0005 per 1,000 input tokens and $0.0020 per 1,000 output tokens.
What is Gemini 3 Flash's context window?
Gemini 3 Flash supports a context window of 1M tokens, which is suitable for very long documents, large codebases, and extended multi-turn conversations.
How does Gemini 3 Flash compare to GPT-4o on price?
Gemini 3 Flash is 81% cheaper than the market average on input tokens. At $0.5/1M input vs $2.50/1M for GPT-4o, the cost difference becomes significant at scale — 10,000 requests/day with 1,000 input tokens each costs $150/month with Gemini 3 Flash vs $750/month with GPT-4o.
Does Gemini 3 Flash support prompt caching?
Yes. Gemini 3 Flash supports prompt caching at $0.125/1M tokens — a 75% discount on repeated input. This is especially effective for RAG pipelines and chatbots with large system prompts that repeat across requests.

Compare Gemini 3 Flash with other models

Gemini 3 Flash vs GPT-3.5 TurboGemini 3 Flash vs Mistral Large 3Gemini 3 Flash vs Llama 4 MaverickGemini 3 Flash vs DeepSeek R1Gemini 3 Flash vs GPT-5 MiniGemini 3 Flash vs GPT-4.1 Mini