compare/Gemini 3 FlashvsGemini 3.1 Flash Lite

Gemini 3 Flash vs Gemini 3.1 Flash Lite

Pricing, context window, capabilities, and release date — pulled from each provider's public docs. Both are available via the same AIgateway OpenAI-compatible endpoint; flip the model string to switch.

RUN BOTH LIVE

Paste a prompt. Watch them race.

Both models stream in parallel through your own AIgateway key. Tokens, latency, and cost update as they arrive.

Sign in to runLive streaming uses your own key. It's free to sign up.
 Gemini 3 Flash
google/gemini-3-flash
Gemini 3.1 Flash Lite
google/gemini-3.1-flash-lite
ProviderGoogleGoogle
FamilyGemini 3Gemini 3
Modalitytexttext
Context window1,000,000 tok1,000,000 tok
Max output8,192 tok8,192 tok
Released2026-04-132026-04-13
Input price$0.500 /1M$0.250 /1M
Output price$3.00 /1M$1.50 /1M
Cache read$0.050 /1M$0.025 /1M
Toolsyesyes
Streamingyesyes
Visionyesyes
JSON modeyesyes
Reasoning
Prompt cachingyesyes
Gemini 3 Flash
google/gemini-3-flash
Full spec →

Gemini 3 Flash is Google's fast multimodal model with frontier intelligence, superior search, and grounding capabilities.

Strengths
  • Near-free per token
  • Multi-modal native
  • 1M context
Gemini 3.1 Flash Lite
google/gemini-3.1-flash-lite
Full spec →

Google's lightest and most cost-efficient Gemini model for high-throughput tasks.

Strengths
  • Cheapest Gemini
  • Multi-modal native
  • Very fast
SWITCH BETWEEN THEM

One key, both models, one line different.

# pip install aigateway-py openai
# aigateway-py: sub-accounts, evals, replays, jobs, webhook verify.
# openai SDK: chat/embeddings/images/audio — drop-in compat per our SDK's own guidance.
from openai import OpenAI

client = OpenAI(
    base_url="https://api.aigateway.sh/v1",
    api_key="sk-aig-...",
)

# Try Gemini 3 Flash
client.chat.completions.create(
    model="google/gemini-3-flash",
    messages=[{"role":"user","content":"hello"}],
)

# Try Gemini 3.1 Flash Lite — same client, same key
client.chat.completions.create(
    model="google/gemini-3.1-flash-lite",
    messages=[{"role":"user","content":"hello"}],
)
Get an AIgateway keyAdd a third model

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