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GoogleGemma 4 12BVSOpenAIGPT-5.4 Pro

Analysis by:the whichllmmodel Editorial Team|Updated: June 2026

Our Take

Standardized reasoning and coding benchmarks are currently pending verification for one or both of these models. We recommend testing Gemma 4 12B and GPT-5.4 Pro directly in their respective provider playgrounds to see which fits your specific prompt styles best.
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Model Specs

Gemma 4 12B

Open Source

Benchmarks & Scores

Coding (live-code-bench)
72%

scripting single-file apps or clearly defined functions

Reasoning (gpqa-diamond)Winner (+11.2%)
78.8%

graduate-level science QA

Cost & Context

Cost (per 1M tokens)
Self HostLocal execution (zero API fees)
Context Window
262.14k tokens
Model Specs

GPT-5.4 Pro

Benchmarks & Scores

Coding (swe-bench-pro)
N/A

complex codebases, multi-file repositories, and architectural planning

Reasoning (gpqa-diamond)
67.6%

graduate-level science QA

Cost & Context

Cost (per 1M tokens)
$0.14Input: $0.05 | Output: $0.40
Context WindowLarger
400k tokens

Frequently Asked Questions about Gemma 4 12B vs GPT-5.4 Pro

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