Models/Gemini 3.8 Flash (High)

Gemini 3.8 Flash (High)Ready

gemini-3-8-flash

Serverless APILLMReasoningVisionPrompt cachingClosed

A low-latency tier for high-volume workloads, keeping a generous context window. It ranks #17 of the top 20 frontier models on the Artificial Analysis Intelligence Index with a score of 40.9. Released September 2, 2026.

Context

—

Parameters

#17

Intelligence rank · 40.9

Closed

Weights

View full spec

ReleasedSep 2, 2026

Knowledge cutoff—

Size classlarge

Input modalitiestext, image, speech, video

Output modalitiestext

Median output speed147 tok/s

Median time to first token22.6s

Usage guide

1. Choose how you'd like to use Gemini 3.8 Flash (High)

☁️ Serverless

Use with pay-per-token pricing. Zero setup, no cold starts, automatic failover between upstream routes.

Usage tiers · Standard • Priority

Try it — sign in

curl https://tokenhub-staging.coality.io/v1/chat/completions \
  -H "Authorization: Bearer $TOKEN_HUB_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-3-8-flash",
    "messages": [{"role": "user", "content": "Explain vector databases in one paragraph"}]
  }'

Pricing

Bucket	Price	Notes
Input tokens	$0.9375	per 1M tokens
Output tokens	$4.69	per 1M tokens
Cache read	$0.0938	cached input · 90% off
Cache write	$0.9375	per 1M tokens

Billed per token with micro-dollar precision · effective Oct 26, 2026 · default key limits 600 req/min · 200K tokens/min

Benchmarks

GPQA Diamond

95.3

Humanity's Last Exam

47.8

MMMU-Pro

85.6

SciCode

56.6

Terminal-Bench 4.0

19.7

Long Context Reasoning

81.3

Frontier Code

36.4

Scores from the Artificial Analysis evaluation suite (0–100 scale).

About this model

Closed model, with a 1M context window, native image input, visible reasoning traces, prompt caching at a 90% discount on cached input, 147 output tokens/s median serving speed and 22.6s to first token.