Google › Gemini 3.8 Flash › Pricing
Gemini 3.8 Flash pricing
API list price by Google · checked Oct 23, 2026
$0.75 / $3.75per 1M tokens in / out
$0.38 / $1.88batch · −50%
$0.93per task at medium?
#22on OpenRouter by tokens · 1.6T / week
until 2026-12-31promo price, then $1.50 / $7.50
Price sheetper 1M tokens
| Input | $0.75 | list |
| Output | $3.75 | |
| Batch input | $0.38 | −50% |
| Batch output | $1.88 | −50% |
| Context · max output | 1M · 66K | tokens |
| Free tier | yes | Google Gemini API free tier |
promo until 2026-12-31, then $1.5 / $7.5
Cost per task by effort?
mediumAPI default$0.9342.1
high$1.2447.8
per taskHumanity's Last Exam
Same price per token at every effort; the bill grows with reasoning tokens. high costs 1.3× medium for +5.7 points.
In Google's line-upper 1M in / out
| Gemini 2.5 Flash | $0.30 / $2.50 | −43% |
| Gemini 3.5 Flash Lite | $0.30 / $2.50 | −43% |
| Gemini 2.5 Flash Preview 09 2025 | $0.30 / $2.50 | −43% |
| Gemini 3.8 Flash | $0.75 / $3.75 | this model |
| Gemini 3.8 Flash Cyber | $1.50 / $7.50 | 2× |
| Gemini 2.5 Pro | $1.25 / $10 | 2.3× |
| Gemini 4 Argon | $2 / $10 | 2.7× |
Cheaper for the same workvs Gemini 3.8 Flash at medium
| GPT-6.1 Sol max | -22% | score +30% | $0.72 |
| Claude Sonnet 5.5 high | -5% | score +18% | $0.88 |
| MiMo v2.6 Pro thinkingOpen | -86% | score +16% | $0.13 |
| GPT-6 Astra low | -12% | score +15% | $0.82 |
| DeepSeek V4.1 Flash 1017 maxOpen | -72% | score +13% | $0.26 |
Pricing questions
How much does Gemini 3.8 Flash cost?›
$0.75 per 1M input tokens and $3.75 per 1M output tokens. Batch requests cost $0.38 / $1.88. One Intelligence Index task costs about $0.93 at the default effort.
Is Gemini 3.8 Flash free to use?›
Yes, with limits: Google Gemini API free tier. Model-specific free tier; account, region, quota and data-use terms apply.
Is Gemini 3.8 Flash cheaper than Gemini 3.7 Flash?›
It costs the same per token: $0.75 / $3.75.
How does effort change the price?›
The price per token is the same at every effort. Higher effort spends more reasoning tokens: a task costs $0.93 at medium, $1.24 at high.
What is a cheaper alternative to Gemini 3.8 Flash?›
GPT-6.1 Sol at max effort costs -22% per task with a score +30% on Humanity's Last Exam.