Google Gemini API Pricing Structure Guide
Google Gemini API offers industry-leading context window lengths (up to 2,000,000 tokens) at competitive price points. Understanding context length tier thresholds ensures predictable cloud expenditure for AI startups and enterprises.
Frequently Asked Questions
How does the Gemini API Cost Calculator work?
The calculator applies official Google AI Studio and Vertex AI rates per 1,000,000 tokens for Gemini 1.5 Pro, Gemini 1.5 Flash, and Gemini 2.0 Flash models.
What is Gemini 1.5 Flash pricing?
Gemini 1.5 Flash is Google's high-speed, low-cost model priced at $0.075 per 1M input tokens and $0.30 per 1M output tokens (prompts under 128k tokens).
How does Gemini tier pricing work for prompts over 128k tokens?
For prompts exceeding 128,000 context tokens, Google applies a 2x rate multiplier ($2.50 / $10.00 per 1M tokens for Gemini 1.5 Pro).
Is Google AI Studio free tier available?
Yes. Google offers free tier access with rate limits (15 RPM) for developers building and prototyping applications.
Is my data sent to Google or any server?
No. The calculator operates 100% locally in your web browser. No prompt text or data is uploaded to any remote server.
What is Gemini 2.0 Flash capability?
Gemini 2.0 Flash provides next-gen multimodal reasoning, realtime audio streaming, and agentic function calling at fast Flash-tier pricing.
How are audio and video tokens priced in Gemini?
Audio input is billed at $0.002 per minute or equivalent token rates, while video frames are converted into visual tokens.
Is this Gemini cost calculator free to use?
Yes. ToolzTotal provides 100% free AI tools with no signups, no subscriptions, and zero limits.
Sources & References
Related Calculators & Tools
Browse AI Tools →Estimate token counts, context window consumption, and cost across GPT-5, GPT-4o, Claude 3.5, and Gemini 2.0.
Calculate monthly API bills across GPT-4o, GPT-4o-mini, o1, o3-mini, and text-embedding models.
Calculate Anthropic Claude 3.5 Sonnet, Claude 3 Opus, and Haiku API costs with prompt caching discounts.
Calculate Google Gemini 1.5 Pro, Flash, and Gemini 2.0 API costs based on token throughput.