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Gemini 3.1 Flash Lite Preview

Gemini 3.1 Flash Lite Preview on Zumik: live pricing, context, and caching, routable by id or alias through one OpenAI-compatible endpoint.

Call it through ZumikAbout Google Gemini
$0.25
Input / 1M tokens
$1.50
Output / 1M tokens
$0.03
Cache read · −90%
1M
Context window

At a glance.

ProviderGoogle
Familygemini-3.1
Released2026-03
LicenseProprietary
Context window1M tokens
Max output66K tokens
Modalitiestext, image, video, audio, pdf
Tool callingYes
Reasoning modeYes
Cachingimplicit
Batch discount50% off

What reuse looks like here.

Not yet profiled

Pricing, context, and capabilities for Gemini 3.1 Flash Lite Preview are live, but it is outside the flagship set Zumik benchmarks in depth, so measured reuse, capture, and warm TTFT are not shown yet. Run a workload estimate or route it by id to start collecting traces.

Reuse economics

What you actually pay once caching works.

At a typical 55% prefix reuse, a million input tokens on Gemini 3.1 Flash Lite Preview effectively costs $0.13 instead of $0.25 - blending to roughly $0.47 with a 25% output share. Background work drops a further 50% on the batch tier.

Estimate it for your workload
Best for
textimagevideoaudiopdf

Route it directly by id, or let an alias pick it when it wins under policy.

Same OpenAI client, this model.

python
from openai import OpenAI

client = OpenAI(base_url="https://api.zumik.ai/v1", api_key="zk_live_...")

r = client.responses.create(
    model="gemini-3-1-flash-lite-preview",
    input="Draft a fix for the failing test.",
)
print(r.usage.input_tokens_cached)   # confirm reuse

Gemini 3.1 Flash Lite Preview, answered.

How much does Gemini 3.1 Flash Lite Preview cost?

Gemini 3.1 Flash Lite Preview is $0.25 per million input tokens and $1.50 per million output tokens through Zumik. Cache reads are $0.03 per million, a 90% discount on input.

What is Gemini 3.1 Flash Lite Preview's context window?

Gemini 3.1 Flash Lite Preview supports a 1M-token context window with up to 66K output tokens.

Run Gemini 3.1 Flash Lite Preview with reuse measured.

Point an OpenAI client at Zumik and see exactly how much of this model's input you are reusing.

Migration quickstartBack to catalog