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更新: 2026-01

2025

12.18

GPT-5.2-Codex

GPT-5.2-Codex が登場 | OpenAI

OpenAIGPTCodexLLM Model

12.17

Gemini 3 Flash

Gemini 3 Flash：スピードを追求した最先端知能

GoogleGeminiLLM Model

12.11

GPT-5.2 (Instant, Thinking, Pro)

GPT-5.2 が登場 | OpenAI

OpenAIGPTLLM Model

11.25

Claude Opus 4.5

Introducing Claude Opus 4.5 \ Anthropic

AnthropicClaudeClaude OpusLLM Model

11.19

Nano Banana Pro (Gemini 3 Pro Image)

Nano Banana Pro available for enterprise | Google Cloud Blog

GoogleNano BananaImage Model

11.19

GPT-5.1-Codex

GPT-5.1-Codex-Max で広がる可能性 | OpenAI

OpenAIGPTCodexLLM Model

11.19

Gemini 3 Pro

Gemini 3 を発表

GoogleGeminiLLM Model

11.19

Nano Banana Pro (Gemini 2.5 Flash Image)

最先端の画像処理モデル Gemini 2.5 Flash Image のご紹介 - Google Developers Blog

GoogleNano BananaImage Model

11.12

GPT-5.1 (Instant, Thinking)

GPT-5.1：さらに賢く、より会話的になった ChatGPT | OpenAI

OpenAIGPTLLM Model

10.29

gpt-oss-safeguard (20b, 120b)

gpt-oss-safeguard が登場 | OpenAI

OpenAIgptOpen Weight ModelLLM Model

10.16

Claude Haiku 4.5

Introducing Claude Haiku 4.5 \ Anthropic

AnthropicClaudeClaude OpusLLM Model

09.30

Claude Sonnet 4.5

Introducing Claude Sonnet 4.5 \ Anthropic

AnthropicClaudeClaude OpusLLM Model

08.07

GPT-5 (thinking, Pro)

GPT-5 が登場 | OpenAI

OpenAIGPTLLM Model

08.06

Claude Opus 4.1

Claude Opus 4.1 \ Anthropic

AnthropicClaudeClaude OpusLLM Model

08.05

gpt-oss (20b, 120b)

gpt-oss が登場 | OpenAI

OpenAIgptOpen Weight ModelLLM Model

06.25

Gemini CLI

Google I/O 2025: Google DeepMind から Gemini 2.5 のアップデート

GoogleGeminiGemini CLIAgent

05.23

Claude Code (GA)

Release Claude Code 1.0.0 with general availability · anthropics/claude-code@6f27711

AnthropicClaudeClaude OpusLLM Model

05.23

Claude Opus 4

Introducing Claude 4 \ Anthropic

AnthropicClaudeClaude OpusLLM Model

05.23

Claude Sonnet 4

Introducing Claude 4 \ Anthropic

AnthropicClaudeClaude OpusLLM Model

05.21

Gemini 2.5 Pro

Google I/O 2025: Google DeepMind から Gemini 2.5 のアップデート

GoogleGeminiLLM Model

05.16

Codex

Codex が登場 | OpenAI

OpenAIGPTAgent

04.17

Gemini 2.5 Flash

Gemini 2.5 Flash で開発を始める - Google Developers Blog

GoogleGeminiLLM Model

04.16

OpenAI o3, OpenAI o4-mini

OpenAI o3 と o4-mini が登場 | OpenAI

OpenAIGPTLLM Model

02.27

GPT-4.5

GPT-4.5が登場 | OpenAI

OpenAIGPTLLM Model

02.25

Claude Sonnet 3.7

Claude 3.7 Sonnet and Claude Code \ Anthropic

AnthropicClaudeClaude OpusLLM Model

02.25

Claude Code (Research Preview)

Claude 3.7 Sonnet and Claude Code \ Anthropic

AnthropicClaude CodeAgent

02.05

Gemini 2.0 Flash / Flash-Lite / Pro Experimental

Gemini 2.0 model updates: 2.0 Flash, Flash-Lite, Pro Experimental

OpenAIGPTLLM Model

01.31

OpenAI o3-mini

OpenAI o3-mini | OpenAI

OpenAIGPTLLM Model

01.20

DeepSeek R1

DeepSeek-R1 Release | DeepSeek API Docs

DeepSeekOpen Weight ModelLLM Model

2024

09.12

OpenAI o1-mini

OpenAI o1-mini | OpenAI

OpenAIGPTLLM Model

07.18

GPT-4o mini

GPT-4o mini：費用効率の高いインテリジェンスの推進 | OpenAI

OpenAIGPTLLM Model

06.21

Claude Sonnet 3.5

Introducing Claude 3.5 Sonnet \ Anthropic

AnthropicClaudeClaude OpusLLM Model

05.08

Gemini 1.5 Pro / Flash

Google Gemini updates: Flash 1.5, Gemma 2 and Project Astra

OpenAIGPTLLM Model

03.14

Claude Sonnet 3 Haiku

Claude 3 Haiku: our fastest model yet \ Anthropic

AnthropicClaudeClaude OpusLLM Model

2023

12.06

Gemini

Introducing Gemini: Google’s most capable AI model yet

OpenAIGPTLLM Model

11.21

Claude 2.1

Introducing Claude 2.1 \ Anthropic

AnthropicClaudeClaude OpusLLM Model

08.09

Claude Instant 1.2

Releasing Claude Instant 1.2 \ Anthropic

AnthropicClaudeClaude OpusLLM Model

07.11

Claude 2

Claude 2 \ Anthropic

AnthropicClaudeClaude OpusLLM Model

03.14

Claude

Introducing Claude \ Anthropic

AnthropicClaudeClaude OpusLLM Model

2021

03.25

GPT-3

GPT-3 powers the next generation of apps | OpenAI

OpenAIGPTLLM Model

2019

11.05

GPT-2

GPT-2: 1.5B release | OpenAI

OpenAIGPTLLM Model