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  "text": "Introducing APEX-SWE, in collaboration with @Cognition. They see firsthand that real software engineering is not just writing code anymore. It's deploying systems, integrating with tools and debugging when things break.\n\nOn APEX-SWE, every model fails to reliably solve the real production software engineering tasks.\n\n@OpenAI GPT-5.3 Codex (High) tops the leaderboard at 41.5% on Pass@1, followed by @AnthropicAI Opus 4.6 (High) at 40.5%.\n\nEvery frontier model fails on nearly 60% of real production tasks.",
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