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Gemma 4 12B UnifiedvsGPT-5.2

GPT-5.2 leads 2 of 2 shared benchmarks. GPT-5.2 has the larger context window (400K tokens).

Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.

Shared benchmarks
0 – 2
GPT-5.2 leads
Cheaper per token
list price, input + output
Larger context
GPT-5.2
400K tokens
Provider uptime (30d)
100% · 94.9843%
Google · OpenAI
Gemma 4 12B Unified
Google · released 2026-06-03
textvisionaudio
Context
256K
Max out
Input /1M
Output /1M
Cached /1M
Scores
5 · 4 core
GPT-5.2
OpenAI · released 2025-12-11
textvision
Context
400K
Max out
128K
Input /1M
$1.75
Output /1M
$14
Cached /1M
$0.175
Scores
16 · 11 core
Quality

Benchmark matrix

BenchmarkGemma 4 12B UnifiedGPT-5.2ΔEdge
Reported by both · 2
GPQA Diamond78.8% 92.4% -13.6 ptGPT-5.2
AIME 202677.5% 98.3% matharena-20.8 ptGPT-5.2
Only Gemma 4 12B Unified reports · 3
MMLU-Pro77.2% not reported
Humanity's Last Exam (no tools)5.2% not reported
LiveCodeBench v672% not reported
Only GPT-5.2 reports · 12
SWE-bench Verifiednot reported80%
AIME 2025not reported100%
LMArena Elonot reported1412.4
ARC-AGI-1 (Verified)not reported86.2%
ARC-AGI-2 (Verified)not reported52.9%
FrontierMath Tier 4 v2 (Epoch AI run)not reported31.7% epoch
FrontierMath Tiers 1-3 v2 (Epoch AI run)not reported67.4% epoch
GDPval (wins or ties)not reported70.9%
OTIS Mock AIME 2024-2025 (Epoch AI run)not reported96.1% epoch
SimpleQA Verifiednot reported37.1% epoch
SWE-Bench Pronot reported55.6%
SWE-bench Verified (Epoch AI run)not reported73.8% epoch
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is Gemma 4 12B Unified minus GPT-5.2 in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing

Side by side

SpecGemma 4 12B UnifiedGPT-5.2Edge
Context window256K tokens400K tokensGPT-5.2
Max output128K tokens
Input price / 1M$1.75
Output price / 1M$14
Cached input / 1M$0.175
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$15.75
Modalitiestext · vision · audiotext · visionGemma 4 12B Unified
Released2026-06-032025-12-11
Cited benchmark scores516
Reliability

Provider status

All providers
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