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Head-to-head comparison

Gemini 3.1 Pro Preview vs gemma 4 12B it

Gemini 3.1 Pro Preview (Google) and gemma 4 12B it (Google) compared on the ModelCap Index, API price, context window, provider availability, weight access and every public benchmark board they share. Figures are the same ones shown on the live rankings; nothing here is a hidden score.

Snapshot as of 9 September 2026

As of 9 September 2026, Gemini 3.1 Pro Preview holds the stronger ModelCap Index position (#12 vs #44); and gemma 4 12B it ships open weights.

Which should you choose?

Choose Gemini 3.1 Pro Preview if…

  • you want the stronger overall ModelCap Index position — #12 against #44 (78.4 vs 61.4 points).
  • you want provider choice — 2 listed API providers against 0.

Choose gemma 4 12B it if…

  • you want to self-host: gemma 4 12B it ships open weights while Gemini 3.1 Pro Preview is api only.
  • you want the more recently listed model — gemma 4 12B it was listed 23 May 2026, Gemini 3.1 Pro Preview 19 February 2026.

Gemini 3.1 Pro Preview vs gemma 4 12B it: specs, pricing and context

Specification comparison of Gemini 3.1 Pro Preview and gemma 4 12B it
FieldGemini 3.1 Pro PreviewGooglegemma 4 12B itGoogle
ModelCap Index position#12#44
Index score78.461.4
EvidenceMeasuredEstimated
Input price / 1M tokens$2.00Unlisted
Output price / 1M tokens$12.00Unlisted
Context window1M tokens— tokens
Max output tokens66K—
API providers listed20
Weight accessAPI onlyOpen weights
Input modalitiesAudio, File, Image, Text, VideoText, Image, Audio
First listed19 February 202623 May 2026
PublisherGoogleGoogle

Evidence: 4 public benchmark observations across 4 boards · publisher-corpus-prior over 182 held-out anchors (7%); launch card against 3 resolved peers on 6 rows (93%); no cross-lab optimism probe available; shrunk 0.3 up toward the measured corpus. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Gemini 3.1 Pro Preview vs gemma 4 12B it

Public benchmark boards where Gemini 3.1 Pro Preview or gemma 4 12B it has a published result
BoardGemini 3.1 Pro Previewgemma 4 12B itLeads
Arena codingArena (LMArena)15211516–1526—Only one result
LMArena AgentLMArena-5.3%-6.3%–-4.4%—Only one result
AA Intelligence IndexArtificial Analysis30.4intelligence-index:v4.3:reasoning-unspecified—Only one result
AA Terminal-Bench 2.1Artificial Analysis73.8%terminal-bench:2.1:terminus-2:e2b:pass-at-1:3-repeats:source-model="Gemini 3.1 Pro Preview":reasoning=true—Only one result
AA τ²-Bench TelecomArtificial Analysis95.6%tau2:telecom:dual-control:pass-at-1:3-repeats:source-model="Gemini 3.1 Pro Preview":reasoning=true—Only one result
AA Humanity's Last ExamArtificial Analysis47.0%hle:may-2025:text-only-2158:no-tools:pass-at-1:source-model="Gemini 3.1 Pro Preview":reasoning=true—Only one result

Scores are the sources' own published figures for each model's best evaluated configuration; ModelCap never re-runs a benchmark.

Want a different pairing? Open the interactive comparison tool to swap either model for any current ranked language model.

Gemini 3.1 Pro Preview vs gemma 4 12B it: common questions

Is Gemini 3.1 Pro Preview better than gemma 4 12B it?

Gemini 3.1 Pro Preview ranks higher on the ModelCap Index as of 9 September 2026: #12 against #44. That is a capability ranking built from public benchmark evidence with published uncertainty; whether it is "better" for you also depends on price, context and where you can run it. Their published uncertainty intervals do not overlap, but the aggregate Index does not predict performance on every task; compare the relevant benchmark configurations before choosing.

Is Gemini 3.1 Pro Preview cheaper than gemma 4 12B it?

At least one of the two has no listed API price on ModelCap right now, so no price comparison is made.

Which has the bigger context window, Gemini 3.1 Pro Preview or gemma 4 12B it?

Both publish a 1M-token context window.

Which is better for coding, Gemini 3.1 Pro Preview or gemma 4 12B it?

The two models do not share a coding benchmark board on ModelCap yet, so no head-to-head coding score is published; the ModelCap Index position is the closest overall signal.

Are Gemini 3.1 Pro Preview and gemma 4 12B it open-weight models?

Gemini 3.1 Pro Preview: API only. gemma 4 12B it: Open weights. Open weights mean the checkpoint can be downloaded and self-hosted under its licence; API-only models are available solely through hosted endpoints.

Where can I run Gemini 3.1 Pro Preview and gemma 4 12B it?

ModelCap currently lists 2 API providers for Gemini 3.1 Pro Preview and 0 for gemma 4 12B it, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Gemini 3.1 Pro Preview vs gemma 4 12B it comparison?

Every figure comes from the sealed ModelCap dataset published 9 September 2026; the page re-renders within a minute of each data refresh, and the ModelCap Index positions are the same ones shown on the live rankings.

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