Originally published on rohitraj.tech
Claude Mythos 5, GPT-5.4 Thinking, Gemini 3.1 Ultra, DeepSeek V4, Snap cutting 16% headcount — April 2026 reshaped the frontier. Most roundups list the news. This post tells founders, freelance devs, and founding engineers what to actually build, drop, or route next.
Read the full version with code samples, diagrams, and architecture details: April 2026 AI News Decoded: 7 Stories That Actually Change What Founders Should Build
More engineering notes: rohitraj.tech/notes
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