Models / Feb 6, 2026 20 Minutes Apart: GPT-5.3-Codex and Claude Opus 4.6 Drop the Same Afternoon On February 5, 2026, Anthropic and OpenAI released their flagship coding models within minutes of each other. The developer community had feelings.
Models / Feb 5, 2026 Claude Opus 4.6: The Flagship Model That Actually Changes How You Build Anthropic's Claude Opus 4.6 launches with 1M token context, agent teams, and adaptive thinking. Here's what changed, what matters, and what to actually use it for.
Codex / Feb 5, 2026 GPT-5.3-Codex: OpenAI's Self-Taught Coding AI and the Dual-Use Dilemma OpenAI's GPT-5.3-Codex arrives with reasoning chops, self-assisted training, and serious cybersecurity concerns. Here's what matters for developers.