I Did the Math on Claude Sonnet 5. The 60% Opus Discount Is Real, But Temporary.
Article summary
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Anthropic shipped Claude Sonnet 5, and the takes I saw were predictable: "It replaces Opus." "It is just another Sonnet refresh." "The benchmark chart means you can route everything to it now." Two of those are wrong. One is directionally right, but only if you care about cost per task instead of model prestige. I spent time going through Anthropic's launch post, the Claude Platform docs, GitHub's Copilot rollout note, and the pricing math. The conclusion I landed on is simple: Sonnet 5 should…
1Key Takeaways
- Anthropic shipped Claude Sonnet 5, and the takes I saw were predictable: "It replaces Opus." "It is just another Sonnet refresh." "The benchmark chart means you can route everything to it now." Two of those are wrong.
- One is directionally right, but only if you care about cost per task instead of model prestige.
- I spent time going through Anthropic's launch post, the Claude Platform docs, GitHub's Copilot rollout note, and the pricing math.
- The conclusion I landed on is simple: Sonnet 5 should….
2AIWedia Score
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3Why it matters
Coding AI shifts how fast software ships and how much human review each change needs. DEV — AI reports that anthropic shipped Claude Sonnet 5, and the takes I saw were predictable: "It replaces Opus." "It is just another Sonnet refresh." "The benchmark chart means you can route everything to it now." Two of those are wrong.
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