Claude Opus 4.6 vs Codex 5.3: Real Developer Test

Описание и применение

<p>Anthropic dropped Claude Opus 4.6 on February 4, 2026. OpenAI released GPT-5.3-Codex the same day. Same launch day. Both claiming to be the best coding agent ever built.</p> <p>The timing wasn't an accident. This was a coordinated flex. Two companies saying "we built the future of coding" on the exact same Tuesday morning. Developers woke up to double announcements. Reddit exploded. Twitter melted down. Everyone had opinions within six hours.</p> <p>i watched this unfold in real time. Opened Twitter at 10am. Saw the Anthropic announcement. Thought "cool, new Claude." Refreshed five minutes

Задача

<p>Anthropic dropped Claude Opus 4.6 on February 4, 2026. OpenAI released GPT-5.3-Codex the same day. Same launch day. Both claiming to be the best coding agent ever built.</p> <p>The timing wasn't an accident. This was a coordinated flex. Two companies saying "we built the future of coding" on the exact same Tuesday morning. Developers woke up to double announcements. Reddit exploded. Twitter melted down. Everyone had opinions within six hours.</p> <p>i watched this unfold in real time. Opened Twitter at 10am. Saw the Anthropic announcement. Thought "cool, new Claude." Refreshed five minutes

Результат

<p>Anthropic dropped Claude Opus 4.6 on February 4, 2026. OpenAI released GPT-5.3-Codex the same day. Same launch day. Both claiming to be the best coding agent ever built.</p> <p>The timing wasn't an accident. This was a coordinated flex. Two companies saying "we built the future of coding" on the exact same Tuesday morning. Developers woke up to double announcements. Reddit exploded. Twitter melted down. Everyone had opinions within six hours.</p> <p>i watched this unfold in real time. Opened Twitter at 10am. Saw the Anthropic announcement. Thought "cool, new Claude." Refreshed five minutes

Доказательства

Claude Opus 4.6 vs Codex 5.3: Real Developer Test

Источник