Originally published on rohitraj.tech
DeepSeek made its 75% V4 Pro discount permanent on 2026-05-22 — output tokens now sit at $0.87/M, roughly 34× below GPT-5.5 and 28× below Claude Sonnet 4.6. Here is the line-item math for a real India MVP, the benchmarks the pricing page hides, and the four production failure modes that decide whether the cheaper model actually saves you anything.
Read the full version with code samples, diagrams, and architecture details: DeepSeek V4 Pro vs Claude Sonnet 4.6 vs GPT-5.5: The Real MVP Cost in 2026
More engineering notes: rohitraj.tech/en/notes
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