produced by Classmethod

# OpenAI articles

OpenAIは、人工知能の研究開発を行う企業です。GPT-3などの大規模言語モデルを公開しています。

I tried out the newly supported OpenAI GPT-5.6 Sol / Terra / Luna on Kiro

2026.07.14

I tried out the newly supported OpenAI GPT-5.6 Sol / Terra / Luna on Amazon Bedrock

2026.07.14

# A Thorough Comparison of Structured Output in OpenAI, Gemini, and Claude — How to Reliably Get JSON Schema Compliance

2026.07.13

OpenAI, Claude, Gemini Reasoning Control Parameters Compared — Design Philosophy of reasoning_effort / budget_tokens / thinkingLevel

2026.07.13

Have you noticed different behavior between LLM chat UIs and APIs? Here's a cross-provider breakdown of causes and solutions

2026.07.13

OpenAI AgentKit Has Fragmented — From the End of Agent Builder to Workspace Agents and Claude Cowork, Taking Stock of Where No-Code AI Agents Stand Today

2026.07.13

I Compared All the OpenAI APIs — Responses API, Chat Completions, Agents SDK, AgentKit: Which One Should You Actually Use?

2026.07.13

# Organizing LLM Output Control and Extraction Techniques in 4 Layers — From Constrained Decoding to Prompt Design

2026.07.12

Hand off terminal sessions on /app in Codex CLI to the desktop app

2026.06.24

Image Generation AI Architecture Showdown: Autoregressive vs Diffusion — Who Will Win in 2026?

2026.06.21

I tried importing Claude Code's settings and chat history using /import added in Codex CLI 0.140.0

2026.06.21

Check token usage from the terminal with /usage added in Codex CLI 0.140.0

2026.06.20

I observed ChatGPT Web's DOM, communications, and API responses using the CDP capability of the Codex App

2026.06.18

ちょっと話題の記事

I tried Codex with Amazon Bedrock!

片桐翼 (Katagiri Tsubasa)

2026.06.02

I tried out OpenAI GPT-5.5 / GPT-5.4 which became GA on Amazon Bedrock using the Responses API

2026.06.02

I tried building a minimal setup for AI Japanese conversation over the phone using Twilio and OpenAI Realtime API

越井琢巳 (Koshii Takumi)

2026.05.11

I tried to see how compatible Bedrock Mantle's Responses API is with Azure

2026.04.28

I tried Amazon Bedrock support for Codex CLI v0.124.0

2026.04.25

When I tried three subjects with Godot and Codex, I could see the strength of the initial output and the burden of manual verification

越井琢巳 (Koshii Takumi)

2026.03.18

[Update] Amazon Bedrock now supports OpenAI's Responses API #AWSreInvent

2025.12.28

I tried creating an agent with voice interface using Strands Agent's BidiAgent and OpenAI Realtime API #AWSreInvent

2025.12.04

話題の記事

I tried out OpenAI's gpt-oss-120b and gpt-oss-20b which became available on Amazon Bedrock

2025.08.07

注目の記事

I tried OpenAI's "gpt-oss-20b" on a Mac Mini (M4 Pro)

2025.08.06

ちょっと話題の記事

Installing GitHub Copilot for Xcode

2025.03.24