Context
1M
Max output
66K
Serving providers
6
Cheapest input
$2.00 /1M
On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.

Benchmarks

independent evaluations · source: ARC Prize and Artificial Analysis
Speed & latency
Output speed
140 t/s
tokens / second
Time to first token
26.52s
latency
Headline indices
68.8
of 100
Frozen Sep 9, 2026
10.3
of 100
Frozen Sep 9, 2026
Individual benchmarks · click a row for effort variants
BenchmarkBest scoreEffortCost / task
Aa Analyst Agent0.4default—
AA-BriefcaseUndated0%default—
APEX Agents32%default—
ARC-AGI-277%default$0.962
Automation Bench0.4default—
CritPt18%default—
GDPval v2Frozen Aug 18, 2026965.1default—
GPQA Diamond94%default—
Harvey Lab0default—
Humanity's Last Exam47%default—
IFBench77%default—
IT-Bench SRE30%default—
Long-Context Reasoning82%default—
Mlcr OverallFrozen Sep 9, 20260.2default—
MMMU-Pro82%default—
Omniscience31.9default—
Omniscience Accuracy0.5default—
Omniscience Non Hallucination0.5default—
SciCode59%default—
Terminal Bench400.0default—
TerminalBench Hard54%default—
TerminalBench v2.174%default—
τ-bench Banking21%default—
τ²-bench96%default—
Artificial Analysis last published scores for this benchmark on Sep 9, 2026. Scores here are frozen at that date, and models released since are not on it.
We cannot tell whether this benchmark is still being published. Treat these scores as undated.
Artificial Analysis last published scores for this benchmark on Aug 18, 2026. Scores here are frozen at that date, and models released since are not on it.

Pricing detail

cost beyond the standard rate · source: models.dev
Long context (>200K)
$5.00 / $22.50
input / output · per 1M

Pricing by serving provider

standard tier · per 1M tokens · click a provider to expand
Serving providerInput /1MOutput /1MEndpoints
Aihubmix$2.00$12.001
GoogleCheapest$2.00$12.001
Standardgemini/gemini-3.1-pro-preview
ComponentUnitStandardBatch
Text cached in/1M tok$0.20—
Text input/1M tok$2.00$1.00
Text output/1M tok$12.00$6.00
OpenRouter$2.00$12.001
VercelVercel reseller quote$2.00$12.001
Vertex AI$2.00$12.001
Vertex AI Language Models$2.00$12.001
OpenRouter (batch)$1.00$6.001
Vercel (flex)Vercel reseller quote$1.00$6.001
Vercel is dearest at $4.00 / $18.00

Price history

listed seller prices, input and output per 1M tokens
Input Output
$0.00$5.00$10.00$15.00Feb 19Jun 22Sep 16$12.00$2.00

Cost calculator

estimate your monthly spend on this model
$1,360
estimated / month

Model IDs

copy the exact identifier for your platform
google/gemini-3.1-pro-preview:batchgoogle/gemini-3.1-pro-previewgemini/gemini-3.1-pro-previewvertex_ai/gemini-3.1-pro-previewgemini-3.1-pro-previewgoogle/gemini-3.1-pro-previewgoogle/gemini-3.1-pro-previewaihubmix/gemini-3.1-pro-previewgoogle/gemini-3.1-pro-previewgoogle/gemini-3.1-pro-preview

Frequently asked questions

Gemini 3.1 Pro Preview pricing, context and availability

How much does Gemini 3.1 Pro Preview cost?

Gemini 3.1 Pro Preview costs $2.00 per 1M input tokens from Google, and $12.00 per 1M output tokens from Google.

What is the context window of Gemini 3.1 Pro Preview?

Gemini 3.1 Pro Preview accepts up to 1M tokens of context and can return up to 66K output tokens.

Which providers serve Gemini 3.1 Pro Preview?

Gemini 3.1 Pro Preview is available from 6 serving providers, each with its own pricing and model ID. Google is currently the cheapest.

What can Gemini 3.1 Pro Preview do?

Gemini 3.1 Pro Preview supports image input (vision), tool use, reasoning, audio input, prompt caching, structured output and web search.

Other Google models

compare pricing across the Google lineup

Popular comparisons

head-to-head pages featuring Gemini 3.1 Pro Preview
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026

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