Gemini 3.8 Flash API Pricing

Google · released 2026-09-02

Also searched as: 3.8 Flash pricing

Gemini 3.8 Flash price

$0.75
input / 1M tokens
0.075¢ / 1K
$3.75
output / 1M tokens
0.375¢ / 1K
$1.50
blended / 1M tokens
0.150¢ / 1K

Official list price from Google, as recorded by models.dev

What it actually costs

WorkloadTokensCost
Short chat reply500 in / 300 out0.15¢
RAG query4,000 in / 500 out0.487¢
Long document summary50,000 in / 1,000 out$0.0413
Code review of a 2k-line file30,000 in / 2,000 out$0.0300
1,000 chat replies/day for 30 days30,000 × (500 in / 300 out)$45.00

Cost = (input tokens ÷ 1,000,000 × $0.75) + (output tokens ÷ 1,000,000 × $3.75).

Benchmarks

BenchmarkValueSourceAs of
Epoch Capabilities Index (ECI) 158.6 epoch 2026-09-02
Epoch Mock AIME accuracy 98.9% epoch 2026-09-02
Epoch FrontierMath (T1–3) accuracy 68.4% epoch 2026-09-02
Arena text rating 1496 arena 2026-10-28
Arena coding rating (human preference votes, not task accuracy) 1530 arena 2026-10-28
Arena math rating 1524 arena 2026-10-28
Arena WebDev rating 1583 arena 2026-10-28

LiveBench

Shown on this model page only — LiveBench data never appears in any leaderboard, comparison table or structured data on this site.

LiveBench metricValueAs of
LiveBench Global Average75.82026-06-25
LiveBench Reasoning89.32026-06-25
LiveBench Coding72.52026-06-25
LiveBench Agentic Coding54.22026-06-25
LiveBench Mathematics91.62026-06-25
LiveBench Data Analysis54.02026-06-25
LiveBench Language87.82026-06-25
LiveBench Instruction Following81.42026-06-25

LiveBench leaderboard (livebench.ai, github.com/LiveBench/new-livebench), CC BY-SA 4.0 — livebench.ai · github.com/LiveBench/new-livebench · CC BY-SA 4.0

Similar ECI, lower price

ModelECIBlended $/1M
GLM-5.3-Flash153.6$0.1942
Claude Haiku 5.5160.2$0.20
GPT-6 Luna156.7$0.20
DeepSeek V4.1 Flash 1017159.3$0.2625
GPT-5.6 Luna156.8$0.45

More from Google

ModelReleasedBlended $/1M
Gemini 4 Argon2026-10-13$4.00
Nano Banana 2.12026-10-06$8.625
Gemini 3.8 Flash TTS2026-09-22$2.625
Gemini 3.8 Flash Lite TTS2026-09-22$1.875
Gemini 3.8 Live Extended Thinking2026-09-15$1.6875
Gemini 3.8 Live2026-09-15$1.6875
Lyria 3.52026-09-03—
Gemini Omni 1.1 Flash2026-08-27$3.375

Count tokens & estimate cost for Gemini 3.8 Flash See Gemini 3.8 Flash on the leaderboard

Prices: Google's official list price as recorded by models.dev; benchmarks: see sources below; last synced 2026-11-06.

FAQ

Who develops Gemini 3.8 Flash?

Gemini 3.8 Flash is developed by Google, released 2026-09-02.

How much does Gemini 3.8 Flash cost per million tokens?

Gemini 3.8 Flash costs $0.75 per 1M input tokens and $3.75 per 1M output tokens ($1.50 blended), per Google's official list price as recorded by models.dev.

What is the Gemini 3.8 Flash API price?

The Gemini 3.8 Flash API price is $0.75 per 1M input tokens and $3.75 per 1M output tokens ($1.50 per 1M blended).

How much does Gemini 3.8 Flash cost for a typical request?

A short chat reply (500 in / 300 out tokens) costs about 0.15¢ on Gemini 3.8 Flash, at $0.75/1M input and $3.75/1M output.

Is Gemini 3.8 Flash free?

Gemini 3.8 Flash's official API list price is $0.75 per 1M input tokens and $3.75 per 1M output tokens. This site tracks list prices only, not free tiers or trial credits — check Google's site for those.

How does Gemini 3.8 Flash rank on benchmarks?

Gemini 3.8 Flash scores 158.6 on the Epoch Capabilities Index (ECI), ranking #20 of 107 models we track with a published ECI score.

Is there a cheaper model with a similar ECI to Gemini 3.8 Flash?

Yes — GLM-5.3-Flash scores a similar ECI (153.6) at $0.1942/1M blended, versus $1.50/1M for Gemini 3.8 Flash.

Where does this data come from?

Pricing for Gemini 3.8 Flash comes from models.dev and LiteLLM (open MIT-licensed catalogs); benchmark scores come from Epoch AI and LMArena (open CC BY 4.0 licenses); LiveBench scores (below) are CC BY-SA 4.0 — see /data-sources/. Last synced 2026-11-06.