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gemini-3.1-pro-preview

Google LLC (Gemini API)/🌍 Global/chat10% off

Gemini 3.1 Pro is the next iteration in the Gemini 3 series of models, a suite of highly capable, natively multimodal reasoning models. As of this model card’s date of publication, Gemini 3.1 Pro is Google’s most advanced model for complex tasks. Geminin 3.1 Pro can comprehend vast datasets and challenging problems from massively multimodal information sources, including text, audio, images, video, and entire code repositories.More

Which id to call

google/gemini-3.1-pro-preview

This exact deployment on Google LLC (Gemini API), with no routing and no failover. Send it as the model field.

Input /1M

$1.80

$2.00 list

$0.18 cached

Output /1M

$10.80

$12.00 list

6.0x input

Context

1.0M

66K output

Paid /1M

$1.58

measured, cache included

Capabilities 6/8

VisionReasoningTool callingCachingWeb searchJSON schemaComputer useImage generation

Provider rates

What gemini-3.1-pro-preview costs

Provider prices per 1M tokens, updated August 24, 2026.more

These are the upstream provider rates. Pay as you go adds 5%, or 0% if you bring your own keys, and there is no per-request fee. Prompt caching and routing change what you pay against these rates, not the rates themselves.

10% off

This endpoint is discounted. List is $2.00 per 1M input and $12.00 per 1M output, and the rates below are what you pay. The discount applies to every request on this endpoint, with nothing to claim or enter.

Input /1M

$1.80

$2.00 list

Output /1M

$10.80

$12.00 list

Cache write /1M

$4.05

Cache read /1M

$0.18

What a workload costs

100K input + 10K output
$0.29
1M input + 100K output
$2.88
10M input + 1M output
$28.80

At the rates above, before caching. A cache read costs $0.18 per 1M, so repeated context lands under these figures.

model=

Which id to call

One base url, https://router.requesty.ai/v1, and one key for every id here.

google/gemini-3.1-pro-preview

This exact deployment on Google LLC (Gemini API), with no routing and no failover. Send it as the model field.

OpenAI compatible

Call it in three lines

Change the base url, use your Requesty key, set the model to any id on the left. Existing OpenAI SDK code needs no other edit.

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from openai import OpenAI client = OpenAI( api_key="YOUR_REQUESTY_API_KEY", base_url="https://router.requesty.ai/v1", ) response = client.chat.completions.create( model="google/gemini-3.1-pro-preview", messages=[ {"role": "user", "content": "Explain quantum computing in one paragraph."}, ], ) print(response.choices[0].message.content)

Live from production

Google LLC (Gemini API) on gemini-3.1-pro-preview, measured

What this provider was measured doing on gemini-3.1-pro-preview across Requesty traffic.more

Whole-window figures, because that is the grain published per provider. They cover Google LLC (Gemini API) serving this model in every region it serves it from, so a region-pinned deployment shares them with its siblings. A figure is absent where no qualifying sample exists.

First token

11.76s

median

p95 wait

30.64s

slowest 5%

Output speed

146/s

median tokens

Paid /1M

$1.58

blended, cache included

Cache hit

54.7%

of input tokens

Compare these against the other 1 provider serving gemini-3.1-pro-preview.

Reference

Specs and data terms

What the catalog reports for this deployment, and what the provider does with the traffic.

Context window1.0M tokens
Max output66K tokens
API typechat
AddedFeb 2026
Model id
Data retentionNone
Used for trainingNo
Served from🌍 Global
Privacy policyGemini API Terms

Released 2026-02-19

Benchmark scores

Benchmarks measure the model, not this endpoint, so they are the same wherever these weights are served.

Coding Indexcoding
68.8%

Artificial Analysis Coding Index: a composite of coding evaluations including LiveCodeBench, SciCode and Terminal-Bench.

GPQA Diamondreasoning
94.1%

Graduate-level physics, chemistry & biology questions designed to resist Googling.

Intelligence Indexreasoning
47.7%

Artificial Analysis Intelligence Index: a composite of multiple evaluations measuring overall model capability.

Scores from official model cards, Artificial Analysis and public leaderboards. They measure specific skills and do not capture every aspect of model quality, so test on your own workload.

Same provider

More from Google LLC (Gemini API)

Newest first, on the same provider and the same key.

Reference

gemini-3.1-pro-preview questions

How much does gemini-3.1-pro-preview cost?

gemini-3.1-pro-preview is priced at $1.80 per million input tokens and $10.80 per million output tokens when accessed via Requesty. Those figures include a 10% discount on this endpoint, off a list rate of $2.00 per million input tokens and $12.00 per million output tokens. Prompt caching is supported, which can cut effective input cost by up to 90% on repeated context. Those are the upstream provider rates: pay as you go adds 5% on top, or 0% if you bring your own provider keys.

What is the context window of gemini-3.1-pro-preview?

gemini-3.1-pro-preview has a context window of 1.0M tokens, with a maximum output of 66K tokens per response. That's roughly 1,398 words of input you can fit in a single prompt.

How does gemini-3.1-pro-preview perform on benchmarks?

gemini-3.1-pro-preview scores 95.6% on τ²-Bench, 94.1% on GPQA Diamond, 68.8% on Coding Index. See the full benchmark chart above for results across MMLU Pro, GPQA Diamond, SWE-Bench Verified, HumanEval, MATH, AIME, MMMU, and LiveBench.

What can gemini-3.1-pro-preview do?

gemini-3.1-pro-preview supports vision input, tool calling, extended reasoning, prompt caching, web search, structured outputs (JSON schema). You can call it through any OpenAI-compatible client by pointing base_url to Requesty.

How do I use gemini-3.1-pro-preview with the OpenAI SDK?

Install the OpenAI SDK, set base_url to "https://router.requesty.ai/v1", set your API key to your Requesty key, and set the model to "google/gemini-3.1-pro-preview". The Quickstart above shows Python, JavaScript and cURL snippets.

Can I run gemini-3.1-pro-preview through Requesty?

Yes. gemini-3.1-pro-preview runs through Requesty's OpenAI-compatible API, served from Google LLC (Gemini API). You do not host the model yourself: point base_url at Requesty, set the model to "google/gemini-3.1-pro-preview", and requests are routed to the upstream provider with automatic failover. The same key gives you 600+ other models too.

Call gemini-3.1-pro-preview through one endpoint

One key for this endpoint and 600+ other models. No markup on provider prices, automatic failover, caching built in.