LLM Gateway

Gemini 3.1 Pro (Preview) (Quartz)

Name: Gemini 3.1 Pro (Preview) (Quartz)
Brand: LLM Gateway

Canonical ID: llmgateway-providers/quartz/gemini-3.1-pro-preview

More LLM Gateway models More gemini-pro family models

Reasoning-first Gemini preview for agentic coding and complex problem solving

Reasoning: Yes Tool use: Yes

Overview

text image video audio pdf

Provider: LLM Gateway
Family: gemini-pro
Release date: 2026-02-19
Last updated: 2026-02-19
Input modalities: text, image, video, audio, pdf
Output modalities: text

Pricing and Limits

Token pricing

Input: $2/1M
Output: $12/1M
Cached input: N/A

Context and output

Context window: 1,048,576
Max output tokens: 65,536
Qualified ID: llmgateway-providers/quartz/gemini-3.1-pro-preview

Model Summary

Gemini 3.1 Pro (Preview) (Quartz) is a model listing in the LLM Gateway provider catalog. It is categorized under the gemini-pro family.

The model supports text, image, video, audio, pdf modalities across input/output paths. Reported context capacity is 1,048,576. Pricing is listed at $2/1M input and $12/1M output.

Same Family: gemini-pro

Comparable models in the same family across providers.

Browse family

Model	Provider	Context	Input	Output	Flags
Deep Research Max Preview edenai/google/deep-research-max-preview-04-2026	Eden AI	1,048,576	$2/1M	$12/1M	Reasoning
Deep Research Max Preview (Apr-21-2026) google/deep-research-max-preview-04-2026	Google	131,072	$2/1M	$12/1M	Reasoning Tools
Deep Research Preview (Apr-21-2026) google/deep-research-preview-04-2026	Google	131,072	$2/1M	$12/1M	Reasoning Tools
Gemini 2.5 Computer Use Preview (10-2025) merge-gateway/google/gemini-2.5-computer-use-preview-10-2025	Merge Gateway	128,000	$1.25/1M	$10/1M	Reasoning Tools
Gemini 2.5 Pro orcarouter/google/gemini-2.5-pro	OrcaRouter	1,048,576	$1.25/1M	$10/1M	Reasoning Tools
Gemini 2.5 Pro auriko/gemini-2.5-pro	Auriko	1,048,576	$1.25/1M	$10/1M	Reasoning Tools
Gemini 2.5 Pro frogbot/gemini-2.5-pro	FrogBot	1,048,576	$1.25/1M	$10/1M	Reasoning Tools
Gemini 2.5 Pro perplexity-agent/google/gemini-2.5-pro	Perplexity Agent	1,048,576	$1.25/1M	$10/1M	Reasoning Tools
Gemini 2.5 Pro impossibl/google/gemini-2.5-pro	Impossibl	1,048,576	$1.25/1M	$10/1M	Reasoning Tools
Gemini 2.5 Pro nano-gpt/gemini-2.5-pro	NanoGPT	1,048,576	$1.25/1M	$10/1M	Reasoning Tools

Gemini 3.1 Pro (Preview) (Quartz)

Overview

Pricing and Limits

Token pricing

Context and output

Model Summary

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Same Family: gemini-pro