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Tech Blog

Engineer-authored posts on AI, data analytics, local LLMs, and related topics. (Full articles are currently in Japanese.)

LLM

Apr 14, 2026

GPT-5.4 vs Claude Opus 4.6 vs Gemini 3.1 Pro vs Muse Spark — Benchmark comparison and strengths/weaknesses map

Clearly separating official announcements (primary sources) from third-party evaluations (secondary sources), we unpack what each vendor chose to show — and what they didn't — to read the strengths and weaknesses of frontier LLMs.

LLM

Apr 3, 2026

Google Gemma 4 — Benchmark comparison against major local LLMs like Qwen 3.5 and Llama 4

A detailed benchmark comparison of Google's April 2026 release Gemma 4 against major open LLMs like Qwen 3.5 and Llama 4. Latest scores on MMLU Pro, GPQA Diamond, LiveCodeBench and more, in table form.

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