主要 AI モデル（ChatGPT / Claude / Gemini）のリリース・大型アップデートを日付順に配信。AI業界の動きを RSS で受け取れます。https://ai-tool-compare.pages.dev/ja-jphttps://ai-tool-compare.pages.dev/tools/chatgpt-model-history/https://ai-tool-compare.pages.dev/tools/chatgpt-model-history/マルチステップ推論・ツール使用・コーディング・文書作成の agentic 性能を強化。Thu, 23 Apr 2026 00:00:00 GMTOpenAIChatGPThttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/3/4-4/20 の品質低下を調査、3つの問題（推論努力変更・セッションキャッシュバグ・冗長性削減指示）を特定。全サブスクライバーの使用制限がリセットされた。Thu, 23 Apr 2026 00:00:00 GMTAnthropicClaudehttps://ai-tool-compare.pages.dev/tools/claude-model-history/https://ai-tool-compare.pages.dev/tools/claude-model-history/SWE-bench Pro 53.4%→64.3%、CursorBench 58%→70%。Vision 解像度3倍。Claude Design 同時発表。Thu, 16 Apr 2026 00:00:00 GMTAnthropicClaudehttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/Project Glasswing を11社・組織に限定公開。Tue, 07 Apr 2026 00:00:00 GMTAnthropicClaudehttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/初の汎用「コンピュータユース」搭載モデル。Thu, 05 Mar 2026 00:00:00 GMTOpenAIChatGPThttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/会話自然性向上、Free 層への新モデル提供が標準化。Tue, 03 Mar 2026 00:00:00 GMTOpenAIChatGPThttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/API 開発者向け廉価高速モデル。Tue, 03 Mar 2026 00:00:00 GMTGoogleGeminihttps://ai-tool-compare.pages.dev/tools/gemini-model-history/https://ai-tool-compare.pages.dev/tools/gemini-model-history/ARC-AGI-2 で 77.1%、LMArena #1。Thu, 19 Feb 2026 00:00:00 GMTGoogleGeminihttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/1Mトークン コンテキストを標準価格で提供。Sonnet が前世代 Opus を超える。Tue, 17 Feb 2026 00:00:00 GMTAnthropicClaudehttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/コーディング特化バリアント。Thu, 05 Feb 2026 00:00:00 GMTOpenAIChatGPThttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/agentic search 高速化、トークン効率改善。Thu, 05 Feb 2026 00:00:00 GMTAnthropicClaudehttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/コーディング専用バリアント。Thu, 18 Dec 2025 00:00:00 GMTOpenAIChatGPThttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/PhD レベルの推論を高速・低コストで提供、アプリのデフォルトに。Wed, 17 Dec 2025 00:00:00 GMTGoogleGeminihttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/会話のトーン自動調整、Instant 人格刷新。Thu, 11 Dec 2025 00:00:00 GMTOpenAIChatGPThttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/AI Ultra 加入者に並列思考モード提供開始。Thu, 04 Dec 2025 00:00:00 GMTGoogleGeminihttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/当時の最強フロンティア。Mon, 24 Nov 2025 00:00:00 GMTAnthropicClaudehttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/世代刷新。並列思考で ARC-AGI-2 大幅向上。Tue, 18 Nov 2025 00:00:00 GMTGoogleGeminihttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/動的 Reasoning 切替。短命で 2026/3 に提供終了。Wed, 12 Nov 2025 00:00:00 GMTOpenAIChatGPThttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/低コスト高速版が Sonnet 4 同等性能に。Wed, 15 Oct 2025 00:00:00 GMTAnthropicClaudehttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/SWE-bench Verified 77.2%、当時の業界最高記録。Mon, 29 Sep 2025 00:00:00 GMTAnthropicClaudehttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/通常応答と Reasoning を1モデルに統合。Thu, 07 Aug 2025 00:00:00 GMTOpenAIChatGPThttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/Claude 4 シリーズ初のマイナーアップデート。Tue, 05 Aug 2025 00:00:00 GMTAnthropicClaudehttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/2.5 系全ライン GA、Flash-Lite 追加、LMArena Elo 1470。Tue, 17 Jun 2025 00:00:00 GMTGoogleGeminihttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/世代刷新、命名規則変更。Thu, 22 May 2025 00:00:00 GMTAnthropicClaudehttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/Flash 高速版にも thinking 能力搭載。Thu, 17 Apr 2025 00:00:00 GMTGoogleGeminihttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/1Mトークン コンテキストを本番運用可能に。Mon, 14 Apr 2025 00:00:00 GMTOpenAIChatGPThttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/「thinking model」フラッグシップ。Tue, 25 Mar 2025 00:00:00 GMTGoogleGeminihttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/巨大モデル、コスト効率の悪さから 2025/7 に終了。Thu, 27 Feb 2025 00:00:00 GMTOpenAIChatGPThttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/初の「ハイブリッド推論」モデル、Extended Thinking 搭載。Mon, 24 Feb 2025 00:00:00 GMTAnthropicClaudehttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/無料層にも Reasoning 解放。Fri, 31 Jan 2025 00:00:00 GMTOpenAIChatGPThttps://ai-tool-compare.pages.dev/tools/gemini-model-history/https://ai-tool-compare.pages.dev/tools/gemini-model-history/「agentic era」宣言、ネイティブ画像/音声出力。Wed, 11 Dec 2024 00:00:00 GMTGoogleGeminihttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/o1 GA + 月額200ドル Pro プラン新設。Thu, 05 Dec 2024 00:00:00 GMTOpenAIChatGPThttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/「Computer Use」発表、エージェント機能の先駆け。Tue, 22 Oct 2024 00:00:00 GMTAnthropicClaudehttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/Reasoning モデル系統の誕生。Thu, 12 Sep 2024 00:00:00 GMTOpenAIChatGPThttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/低コスト高速版。Thu, 18 Jul 2024 00:00:00 GMTOpenAIChatGPThttps://ai-tool-compare.pages.dev/tools/ai-model-news-log/https://ai-tool-compare.pages.dev/tools/ai-model-news-log/中位 Sonnet が Opus を超える衝撃、Artifacts 同時導入。Thu, 20 Jun 2024 00:00:00 GMTAnthropicClaude