# Gemini 3.8 Flash API pricing Gemini 3.8 Flash is one of Google's newest models. It costs $0.75 per million tokens it reads and $3.75 per million it writes, $1.50 on a mix of 3 read for each 1 written. Below are every price Google lists for it, what 8 everyday jobs cost a month on it, and the models that do as well for less. - Page: https://tecyfy.com/prices/gemini-3-8-flash - Maker: Google ## Price per million tokens, in US dollars | | Price | | --- | --: | | Input | $0.75 | | Cached input | $0.075 | | Cache write | not listed | | Output | $3.75 | | Blend, 3 read for each 1 written | $1.50 | | Batch input | not listed | | Batch output | not listed | | Context window, tokens | 1.05M | | Longest answer, tokens | 66K | | Capability score (Epoch Capabilities Index; GPT-5 is 150) | 157 | Until 31 December 2026. From 1 January 2027 it is $1.50 in, $7.50 out and $0.15 cached. ## What 8 everyday jobs cost a month Each job at its usual runs a day, for 30 days, at the standard price. | Job | Tokens in, out, runs a day | A run | A month | | --- | --- | --: | --: | | A chat question | 300, 500, 100 | 0.21 cents | $6.30 | | A hard question, with thinking | 300, 1,400, 100 | 0.55 cents | $16.43 | | A long report, summarised | 60,000, 2,000, 20 | 5.3 cents | $31.50 | | A 40-turn agent task | 2,800,000, 40,000, 10 | 55 cents | $165 | | A support bot's reply | 4,000, 300, 2,000 | 0.28 cents | $166 | | Sort a message into a category | 250, 5, 50,000 | 0.021 cents | $309 | | Read an invoice into fields | 1,500, 250, 1,000 | 0.21 cents | $61.88 | | Review a pull request | 25,000, 4,500, 50 | 3.6 cents | $53.44 | ## Cheaper models that score as well as Gemini 3.8 Flash - [Claude Haiku 5.5](https://tecyfy.com/prices/claude-haiku-5-5.md), Anthropic: $0.20 per million at 3:1, score 159 - [GPT-6 Luna](https://tecyfy.com/prices/gpt-6-luna.md), OpenAI: $0.20 per million at 3:1, score 156 - [DeepSeek V4.1 Flash](https://tecyfy.com/prices/deepseek-flash.md), DeepSeek: $0.525 per million at 3:1, score 156 ## Questions ### How much does Gemini 3.8 Flash cost? Gemini 3.8 Flash costs $0.75 per million input tokens, the text it reads, and $3.75 per million output tokens, the text it writes, thinking included. On a mix of 3 tokens read for each 1 written, that is $1.50 per million. ### How much does cached input cost on Gemini 3.8 Flash? Text Gemini 3.8 Flash reads again from the cache costs $0.075 per million tokens, against $0.75 the first time. Google lists no separate price for writing to the cache. ### Does Gemini 3.8 Flash have a batch price? Not on Google's price page, which lists no batch price for Gemini 3.8 Flash. The cache still lowers the price of text it reads again. ### What is the context window of Gemini 3.8 Flash? Gemini 3.8 Flash holds 1.05M tokens at once, about 1,600 pages of English text, and writes up to 66K tokens in one answer. The window holds your instructions, the files you attach, the conversation so far and the answer. ### How good is Gemini 3.8 Flash? Gemini 3.8 Flash scores 157 on the Epoch Capabilities Index, an independent score from Epoch AI that combines over 50 benchmarks, with a range of doubt from 155 to 160 (GPT-5 is 150). One score is an average; test it on 10 tasks of your own. ### Is there a cheaper model as good as Gemini 3.8 Flash? Claude Haiku 5.5 from Anthropic scores 159 on the Epoch Capabilities Index, about as well or better, and costs $0.20 per million on a mix of 3 tokens read for each 1 written: Gemini 3.8 Flash costs 7.5 times as much. Test both on your own work before you switch. ### Where does Gemini 3.8 Flash rank on price? Gemini 3.8 Flash is the 6th cheapest of the 16 newest models we list, by the price of 3 tokens read for each 1 written. ### What does a support bot cost a month on Gemini 3.8 Flash? At 2,000 replies a day, each reading 4,000 tokens (50 percent of them from cache) and writing 300, a support bot costs 0.28 cents a reply on Gemini 3.8 Flash, $166 a month. ### What does an AI agent task cost on Gemini 3.8 Flash? One 40-turn task that reads 2,800,000 tokens in all, 90 percent of them from cache, and writes 40,000, costs 55 cents on Gemini 3.8 Flash. At 10 tasks a day that is $165 a month. ## Sources - [Google: API prices](https://ai.google.dev/gemini-api/docs/pricing) - [Epoch Capabilities Index, by Epoch AI (CC BY 4.0)](https://epoch.ai/benchmarks/eci) - Every model's prices as [JSON](https://tecyfy.com/prices.json) or [CSV](https://tecyfy.com/prices.csv), free to use ## Compare - [Gemini 3.6 Flash vs Gemini 3.8 Flash](https://tecyfy.com/prices/compare/gemini-3-6-flash-vs-gemini-3-8-flash.md) - [Gemini 3.1 Pro Preview vs Gemini 3.8 Flash](https://tecyfy.com/prices/compare/gemini-3-1-pro-preview-vs-gemini-3-8-flash.md) - [Gemini 3.1 Flash-Lite vs Gemini 3.8 Flash](https://tecyfy.com/prices/compare/gemini-3-1-flash-lite-vs-gemini-3-8-flash.md) - [Gemini 3.8 Flash vs Gemini 3 Flash Preview](https://tecyfy.com/prices/compare/gemini-3-8-flash-vs-gemini-3-flash-preview.md) - [Gemini 2.5 Pro vs Gemini 3.8 Flash](https://tecyfy.com/prices/compare/gemini-2-5-pro-vs-gemini-3-8-flash.md) - [Gemini 2.5 Flash vs Gemini 3.8 Flash](https://tecyfy.com/prices/compare/gemini-2-5-flash-vs-gemini-3-8-flash.md) - [Gemini 2.5 Flash-Lite vs Gemini 3.8 Flash](https://tecyfy.com/prices/compare/gemini-2-5-flash-lite-vs-gemini-3-8-flash.md) - [Gemini 3.8 Flash vs GPT-6.1 Sol](https://tecyfy.com/prices/compare/gemini-3-8-flash-vs-gpt-6-1-sol.md) ## Google's other models - [Gemini 4 Argon](https://tecyfy.com/prices/gemini-4-argon.md) - [Gemini 3.5 Flash-Lite](https://tecyfy.com/prices/gemini-3-5-flash-lite.md) - [Gemini 3.6 Flash](https://tecyfy.com/prices/gemini-3-6-flash.md) - [Gemini 3.1 Pro Preview](https://tecyfy.com/prices/gemini-3-1-pro-preview.md) - [Gemini 3.1 Flash-Lite](https://tecyfy.com/prices/gemini-3-1-flash-lite.md) - [Gemini 3 Flash Preview](https://tecyfy.com/prices/gemini-3-flash-preview.md) - [Gemini 2.5 Pro](https://tecyfy.com/prices/gemini-2-5-pro.md) - [Gemini 2.5 Flash](https://tecyfy.com/prices/gemini-2-5-flash.md) - [Gemini 2.5 Flash-Lite](https://tecyfy.com/prices/gemini-2-5-flash-lite.md)