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OpenAI and Anthropic unveiled new flagship AI models in their respective product lines within an hour of each other on Thursday, highlighting intensifying competition among leading developers to dominate enterprise software and advanced coding tools.
Anthropic announced Claude Opus 4.6, touting gains in long-context reasoning and agent-based workflows, while OpenAI shortly after released GPT-5.3 Codex, a model optimized for agentic coding and software development.
The near-simultaneous launches…
