comparisonclaude vs deepseekdeepseek vs claudecheap vs premium llmllm comparisonai-api-costClaude vs DeepSeek: Premium Judgment or Rock-Bottom Cost?Claude vs DeepSeek compared in 2026 — Opus/Sonnet quality and judgment vs DeepSeek V4's 20–100x cheaper tokens. When each wins, plus the data-residency caveat.2026-07-10claire-lowe