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Head-to-head comparison

gemma 4 12B it vs o3

gemma 4 12B it (Google) and o3 (OpenAI) 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, gemma 4 12B it holds the stronger ModelCap Index position (#44 vs #46); and gemma 4 12B it ships open weights.

Which should you choose?

Choose gemma 4 12B it if…

  • you want the stronger overall ModelCap Index position — #44 against #46 (61.4 vs 61.0 points).
  • you want to self-host: gemma 4 12B it ships open weights while o3 is api only.
  • you want the more recently listed model — gemma 4 12B it was listed 23 May 2026, o3 16 April 2025.

Choose o3 if…

  • you want provider choice — 1 listed API providers against 0.

gemma 4 12B it vs o3: specs, pricing and context

Specification comparison of gemma 4 12B it and o3
Fieldgemma 4 12B itGoogleo3OpenAI
ModelCap Index position#44#46
Index score61.461.0
EvidenceEstimatedMeasured
Input price / 1M tokensUnlisted$2.00
Output price / 1M tokensUnlisted$8.00
Context window— tokens200K tokens
Max output tokens—100K
API providers listed01
Weight accessOpen weightsAPI only
Input modalitiesText, Image, AudioImage, Text, File
First listed23 May 202616 April 2025
PublisherGoogleOpenAI

Evidence: 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 · 3 public benchmark observations across 3 boards. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: gemma 4 12B it vs o3

Public benchmark boards where gemma 4 12B it or o3 has a published result
Boardgemma 4 12B ito3Leads
Arena codingArena (LMArena)—14601454–1466Only one result
ARC-AGI-2ARC Prize Foundation—6.5%HighOnly one result
SWE-benchSWE-bench (Princeton / SWE-agent team)—58.4%Only one result
BFCL V4UC Berkeley (Gorilla)—63.1PromptOnly one result
AA τ²-Bench TelecomArtificial Analysis—80.7%tau2:telecom:dual-control:pass-at-1:3-repeats:source-model="o3":reasoning=trueOnly one result
AA Humanity's Last ExamArtificial Analysis—20.1%hle:may-2025:text-only-2158:no-tools:pass-at-1:source-model="o3":reasoning=trueOnly 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.

gemma 4 12B it vs o3: common questions

Is gemma 4 12B it better than o3?

gemma 4 12B it ranks higher on the ModelCap Index as of 9 September 2026: #44 against #46. 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 overlap, so the rank difference alone does not establish a reliable capability advantage for your workload.

Is gemma 4 12B it cheaper than o3?

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, gemma 4 12B it or o3?

Both publish a —-token context window.

Which is better for coding, gemma 4 12B it or o3?

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 gemma 4 12B it and o3 open-weight models?

gemma 4 12B it: Open weights. o3: API only. 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 gemma 4 12B it and o3?

ModelCap currently lists 0 API providers for gemma 4 12B it and 1 for o3, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this gemma 4 12B it vs o3 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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