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Gemini 3.1 Pro Preview benchmarks, ranks and price

Where Artificial Analysis, LiveBench, LMArena and Berkeley BFCL place Gemini 3.1 Pro Preview, what it costs through OpenRouter and Vercel AI Gateway, and the models either side of it on the consensus.

Updated Oct 1, 2026Full leaderboardSources and method

Read Oct 1, 2026

#10of 85

on the LLM leaderboard, with a consensus score of 72 across 3 leaderboards.

Source: Artificial Analysis, LiveBench, LMArena and Berkeley BFCL, combined by Rank.ai.

By leaderboard

Where each leaderboard places Gemini 3.1 Pro Preview

Artificial Analysis

#18of 51

Score 29.7. Best run: google/gemini-3.1-pro-preview.

Intelligence Index: a composite of reasoning, knowledge, maths and coding evaluations.

LiveBench

#8of 34

Score 77.1. Best run: Gemini 3.1 Pro Preview High.

Contamination-limited questions refreshed each release: reasoning, maths, coding, data analysis, language.

LMArena

#5of 79

Score 1486. Best run: gemini-3.1-pro-preview.

Blind head-to-head human votes, style controlled.

Berkeley BFCL

Not measured by Berkeley BFCL.

Function calling and tool use, single turn to multi turn and web search.

Price and context

$4.50

OpenRouter: $2.00 in, $12 out. Vercel AI Gateway: $2.00 in, $12 out Context window 1.0M tokens. LiveBench cost per solved task $0.262.

Nearby

The models either side of Gemini 3.1 Pro Preview

  1. #7Claude Opus 4.879
  2. #8Claude Opus 4.7 xHigh Effort74
  3. #9GPT 5.4 xHigh73
  4. #10Gemini 3.1 Pro Preview72
  5. #11Muse Spark 1.172
  6. #12Grok 4.572
  7. #13Claude Sonnet 569

Questions about Gemini 3.1 Pro Preview

How good is Gemini 3.1 Pro Preview?
Gemini 3.1 Pro Preview ranks #10 of 85 models on the Rank.ai LLM leaderboard, with a consensus score of 72 out of 100 across 3 leaderboards.
Is Gemini 3.1 Pro Preview better than GPT 5.4 xHigh?
Not on the consensus: GPT 5.4 xHigh scores 73 to Gemini 3.1 Pro Preview's 72. Compare them source by source below, since the leaderboards test different things.
Is Gemini 3.1 Pro Preview better than Muse Spark 1.1?
On the consensus, yes: 72 to 72.
How much does Gemini 3.1 Pro Preview cost?
$2.00 per million input tokens and $12 per million output tokens on OpenRouter, the cheaper listing we read. Blended at three input tokens to one output, that is $4.50 per million.
Is Gemini 3.1 Pro Preview good for coding?
It scores 68.8 on the Artificial Analysis Coding Index, placing it #14 for coding among the models on this leaderboard.

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