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🏆 FlagshipMid-Range

Gemini 3.5 Flash

by Google

Frontier-level Gemini model optimized for agents, coding, and long-horizon workflows.

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Input Price

$1.5

per 1M tokens

Output Price

$9

per 1M tokens

Context Window

1,000K

tokens (65.536K max output)

Specifications

Release Date2026-05-19
Category🏆 Flagship
Context Window1,000,000 tokens
Max Output65,536 tokens
ProviderGoogle
Input Cost$1.5 / 1M tokens
Output Cost$9 / 1M tokens
Price TierMid-Range

Capabilities

textvisionaudiovideocodereasoning

Related Use Cases

🤖

AI Agent / Agentic Workflows

Calculate the cost of running AI agents that use tools, make decisions, and complete multi-step tasks.

~10,000 in · ~3,000 out
💬

AI Chatbot

Calculate the API cost of running a customer support or conversational AI chatbot.

~2,000 in · ~500 out
📄

Document Summarizer

Calculate how much it costs to summarize documents, reports, and articles with AI.

~8,000 in · ~1,000 out
💻

AI Code Assistant

Calculate the cost of building an AI-powered coding assistant or copilot.

~4,000 in · ~2,000 out
✍️

Content Generation

Calculate the cost of generating blog posts, marketing copy, and articles with AI.

~1,500 in · ~3,000 out
🖼️

Image Analysis

Calculate the cost of analyzing images with AI vision models.

~6,000 in · ~500 out

Monthly Cost Estimates

Usage LevelDaily TokensDailyMonthlyYearly
Light~50 requests/day100K in / 20K out$0.33$9.90$120
Medium~200 requests/day500K in / 100K out$1.65$49.50$602
Heavy~1K requests/day2,000K in / 500K out$7.50$225.00$2738
Enterprise~5K requests/day10,000K in / 2,000K out$33.00$990.00$12045

Cost Calculator

Alternatives to Gemini 3.5 Flash

💰 Cheaper Options

o3OpenAI
5% cheaper
$2/M in · $8/M out
GPT-4.1OpenAI
5% cheaper
$2/M in · $8/M out
o4-mini Deep ResearchOpenAI
5% cheaper
$2/M in · $8/M out
Mistral Medium 3.5Mistral AI
14% cheaper
$1.5/M in · $7.5/M out

🚀 More Powerful

GPT-5.1OpenAI
7% more
$1.25/M in · $10/M out
GPT-5OpenAI
7% more
$1.25/M in · $10/M out
Gemini 2.5 ProGoogle
7% more
$1.25/M in · $10/M out
Claude Sonnet 5Anthropic
14% more
$2/M in · $10/M out

Frequently Asked Questions

How much does Gemini 3.5 Flash API cost per million tokens?▼
Gemini 3.5 Flash costs $1.5 per million input tokens and $9 per million output tokens as of 2026. These are the standard API rates from Google.
What is the Gemini 3.5 Flash context window?▼
Gemini 3.5 Flash supports a 1M context window (1,000,000 tokens), which means you can process up to 1M tokens in a single API call.
How much does Gemini 3.5 Flash cost per month?▼
At medium usage (~200 requests/day with 500K input and 100K output tokens/day), Gemini 3.5 Flash costs approximately $49.50/month. Light usage runs about $9.90/month, and heavy usage (~1K requests/day) around $225.00/month.
Is there a cheaper alternative to Gemini 3.5 Flash?▼
Yes — o3 by OpenAI is a cheaper option at $2/M input tokens vs $1.5/M for Gemini 3.5 Flash. Other budget alternatives include models in the efficient tier.
Is Gemini 3.5 Flash good for ai agent / agentic workflows?▼
Gemini 3.5 Flash is a flagship model with support for text, vision, audio. For ai agent / agentic workflows, it offers 1M context and costs $1.5/M input tokens — a mid-range option for this use case.

Gemini 3.5 Flash Comparisons

codex mini latest vs gemini 3 5 flashcodex mini latest vs gemini 3 5 flash litegemini 3 5 flash vs o4 mini deep researchgemini 3 5 flash lite vs o4 mini deep researchgemini 3 5 flash vs o3 deep researchgemini 3 5 flash lite vs o3 deep researchgemini 3 5 flash vs gpt 5 2gemini 3 5 flash lite vs gpt 5 2

Ready to use Gemini 3.5 Flash?

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