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Farewell, GPT-4o: OpenAI Retires Its Most Beloved Model on February 13

Farewell, GPT-4o: OpenAI Retires Its Most Beloved Model on February 13

OpenAI retires GPT-4o from ChatGPT on February 13, 2026. The model that defined conversational AI for millions finally heads into retirement.

Claude Opus 4.6 — Anthropic's New Flagship with 1M Context and Agent Teams

Claude Opus 4.6 — Anthropic's New Flagship with 1M Context and Agent Teams

Anthropic released Claude Opus 4.6 with a 1M token context window, Agent Teams, and PowerPoint integration. Full breakdown of benchmarks, pricing, and features.

Claude Sonnet 5 "Fennec": Everything We Know About Anthropic's Next Model

Claude Sonnet 5 "Fennec": Everything We Know About Anthropic's Next Model

Leaked Vertex AI logs show claude-sonnet-5@20260203. Codename Fennec. Opus-level coding at Sonnet pricing. Here's what's verified and what's speculation.

Kimi K2.5: How a $0.60/M Token Open-Source Model is Forcing Big AI to Rethink Pricing

Kimi K2.5: How a $0.60/M Token Open-Source Model is Forcing Big AI to Rethink Pricing

Moonshot AI released Kimi K2.5, a trillion-parameter open-source model at $0.60/M tokens that matches frontier models. Here is how smart model routing can cut your AI costs by 82% while improving performance.