Gemini 3.8 Flash API

US Google | リリース 2026-10

Gemini 3.8 Flash is the most capable Flash model in the Gemini lineup, with clear gains over 3.7 in software engineering, agentic tasks and multimodal understanding. It keeps Flash-class latency and pricing while closing the gap to the Pro tiers.

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料金 (公式、1Mトークンあたり)

入力

$0.75/M

出力

$3.75/M

仕様

コンテキストウィンドウ1000K トークン入力モダリティテキストストリーミングはい APIOpenAI互換

Gemini 3.8 Flashの使い方

OpenAIの直接代替。base_urlとモデルのみ変更。

# Python - pip install openai
from openai import OpenAI

client = OpenAI(
    base_url="https://meshtok.com/v1",
    api_key="sk-your-MeshTok-key",
)

resp = client.chat.completions.create(
    model="google/gemini-3.8-flash",
    messages=[{"role":"user","content":"Hello!"}],
)
print(resp.choices[0].message.content)

# cURL
curl https://meshtok.com/v1/chat/completions \
  -H "Authorization: Bearer sk-your-MeshTok-key" \
  -H "Content-Type: application/json" \
  -d '{"model":"google/gemini-3.8-flash","messages":[{"role":"user","content":"Hello!"}]}'