Gemini 3.8 Flash (Google) API

Pricing

Input / 1M	$0.75
Output / 1M	$3.75
Blended / 1M	$4.5
Context window	1,048,576 tokens
Max output	65,536 tokens
License	API only · Proprietary proprietary
Knowledge cutoff	March 2026 · source
Intelligence index	58.7 Artificial Analysis Intelligence Index · source

textfunction-calling

Price verified 2026-09-03 (2 days ago) · sourcecorroborated

Sources

Source	Input / 1M	Output / 1M	Verified
Provider page	$0.75	$3.75	2026-09-03
LiteLLM	$0.75	$3.75	2026-09-03
models.dev	$0.75	$3.75	2026-09-04

Two independent sources agree within 20%.

Latency measured

Region	TTFT p50	TTFT p95	Total p50	Total p95	Throughput	Samples
eu-paris	1,780.4 ms	1,826.6 ms	1,785.6 ms	1,828.2 ms	3,845.2 tok/s	3

Time-to-first-token, measured server-side. Measured 2026-09-04 (0 days ago).

Call it

OpenAI-compatible endpoint — set GOOGLE_API_KEY.

curl https://generativelanguage.googleapis.com/v1beta/openai/chat/completions \
  -H "Authorization: Bearer $GOOGLE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-3.8-flash",
    "messages": [{"role": "user", "content": "Hello"}]
  }'

from openai import OpenAI  # pip install openai

client = OpenAI(
    base_url="https://generativelanguage.googleapis.com/v1beta/openai",
    api_key="...",  # GOOGLE_API_KEY
)
resp = client.chat.completions.create(
    model="gemini-3.8-flash",
    messages=[{"role": "user", "content": "Hello"}],
)
print(resp.choices[0].message.content)

Price unchanged since 2026-09-03 — 1 point on record.

Use this data

Raw JSON for this page: gemini-3.8-flash.json. Free to reuse under CC BY 4.0 with attribution to apipriceindex.com.