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AI #155: Welcome to Recursive Self-Improvement

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This was the week of Claude Opus 4.6, and also of ChatGPT-5.3-Codex.

AI #155: Welcome to Recursive Self-Improvement Zvi Mowshowitz Feb 12, 2026 72 39 12 Share This was the week of Claude Opus 4.6, and also of ChatGPT-5.3-Codex. Both leading models got substantial upgrades, although OpenAI’s is confined to Codex. Once again, the frontier of AI got more advanced, especially for agentic coding but also for everything else. I spent the week so far covering Opus, with two posts devoted to the extensive model card , and then one giving benchmarks, reactions, capabilities and a synthesis, which functions as the central review . We also got GLM-5, Seedance 2.0, Claude

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