Gemini 3 Flash API Pricing: Google's Budget Model at $0.50/M Tokens

Gemini 3 Flash is Google's budget-tier model — 1M context, vision support, and 3x cheaper than Gemini 3.5 Flash for most workloads.

Updated Aug 10, 2026 · 93 models tracked across 11 providers

TL;DR

Gemini 3 Flash Pricing Breakdown

At $0.50 per million input tokens and $3.00 per million output tokens, Gemini 3 Flash is Google's entry-level model for production workloads. Here's how the costs scale:

Monthly Volume Input Cost Output Cost Total Cost
1M tokens$0.50$3.00$3.50
10M tokens$5.00$30.00$35.00
100M tokens$50.00$300.00$350.00
1B tokens$500.00$3,000.00$3,500.00

At 100M tokens/month, Gemini 3 Flash costs $350. The same volume on DeepSeek V4 Flash would cost $21, and on GPT-5.4 nano it would cost $145.

How Gemini 3 Flash Compares to Other Budget Models

Model Input $/M Output $/M Context Vision Provider
Qwen 3.7 Flash $0.03 $0.13 1M Alibaba
GPT-5 nano $0.05 $0.40 128K OpenAI
Ministral 3 3B $0.10 $0.10 128K Mistral
DeepSeek V4 Flash $0.14 $0.28 1M DeepSeek
GPT-5.4 nano $0.20 $1.25 400K OpenAI
Gemini 2.5 Flash-Lite $0.10 $0.40 1M Google
Gemini 3.1 Flash-Lite $0.25 $1.50 1M Google
Gemini 3 Flash $0.50 $3.00 1M Google
GPT-5.4 mini $0.75 $4.50 400K OpenAI

Gemini 3 Flash is more expensive than DeepSeek V4 Flash and Qwen 3.7 Flash, but it offers Google's infrastructure, 1M context, and vision support. It's the cheapest Google model with both 1M context and vision — Gemini 2.5 Flash-Lite is cheaper but has less capable reasoning.

Google Flash Family: Which One Should You Choose?

ModelInput $/MOutput $/MContextVisionBest For
Gemini 2.5 Flash-Lite$0.10$0.401MCheapest Google option, simple tasks
Gemini 3.1 Flash-Lite$0.25$1.501MBudget multimodal, better reasoning
Gemini 3 Flash$0.50$3.001MGeneral-purpose, code, RAG
Gemini 3.5 Flash-Lite$0.30$2.501MBudget with thinking capability
Gemini 3.5 Flash$1.50$9.001MComplex reasoning, agentic tasks
Gemini 3.6 Flash$1.50$7.501MLatest Flash, optimized output pricing

Rule of thumb: Use Gemini 2.5 Flash-Lite for simple, high-volume tasks. Use Gemini 3 Flash for general-purpose work that needs good reasoning. Use Gemini 3.5+ Flash for complex, agentic workflows.

When to Use Gemini 3 Flash

🖼️ Multimodal Tasks

Process images alongside text — receipt OCR, image classification, visual Q&A. Vision support at budget pricing.

📄 Long Documents

1M context handles entire codebases, legal contracts, or research papers. No chunking needed.

🔍 RAG Pipelines

Retrieval-augmented generation with large context windows. Process retrieved documents without truncation.

💻 Code Generation

Generate, review, and refactor code. Good balance of capability and cost for development tools.

🤖 Chatbots

Production chatbots that need good reasoning and vision. More capable than Flash-Lite for complex conversations.

📊 Data Processing

Extract structured data from documents, images, or mixed media. Function calling and structured outputs supported.

When NOT to Use Gemini 3 Flash

Gemini 3 Flash is a solid general-purpose model, but consider alternatives when:

Real-World Cost Scenario

Let's say you're building a document processing pipeline that handles 50,000 documents per month, with an average of 2,000 input tokens and 500 output tokens per document:

ModelMonthly InputMonthly OutputTotal
Qwen 3.7 Flash$3$3.25$6.25
DeepSeek V4 Flash$14$7$21
GPT-5.4 nano$20$31.25$51.25
Gemini 3.1 Flash-Lite$25$37.50$62.50
Gemini 3 Flash$50$75$125
GPT-5.4 mini$75$112.50$187.50
Claude Haiku 4.5$100$125$225

Gemini 3 Flash costs $125/month for 50K documents — 2x more than DeepSeek V4 Flash but 44% cheaper than Claude Haiku 4.5. The premium buys you Google's infrastructure, vision support, and 1M context.

Frequently Asked Questions

How much does Gemini 3 Flash cost?
$0.50 per million input tokens and $3.00 per million output tokens. It is Google's budget-tier model, positioned between the cheaper Gemini 3.1 Flash-Lite ($0.25/$1.50) and the more capable Gemini 3.5 Flash ($1.50/$9.00).
What is the context window of Gemini 3 Flash?
1M tokens. This is one of the largest context windows available in the budget tier, matching DeepSeek V4 Flash and Qwen 3.7 Flash, and 2.5x larger than GPT-5.4 nano's 400K context.
Does Gemini 3 Flash support vision?
Yes. Gemini 3 Flash supports text and image inputs. It is one of the cheapest vision-capable models — only Qwen 3.7 Flash ($0.03/$0.13) and Gemini 2.5 Flash-Lite ($0.10/$0.40) are cheaper with vision support.
Is Gemini 3 Flash cheaper than GPT-5.4 nano?
No. GPT-5.4 nano ($0.20/$1.25) is cheaper on both input and output. However, Gemini 3 Flash offers a larger context window (1M vs 400K) and vision support, which GPT-5.4 nano lacks.
What can Gemini 3 Flash be used for?
Multimodal tasks (text + image), long-document processing (1M context), RAG pipelines, code generation, chatbots, and general-purpose AI applications. It balances cost and capability well for production workloads.

Calculate Your Gemini 3 Flash Costs

Enter your token counts and see exactly what you'd pay. Compare against 93 other models instantly.