Claude's top model cost $11 per million tokens in 2023. Today it's $10. I charted every price change in between

All numbers are from Anthropic's own launch posts and price sheets. What jumped out making this: The top model costs what it did in 2023. $11.02 then, $10 now - in between it went $8 → $15 → $5. It never really fell, it just bounced. Sonnet hasn't moved once : $3 since March 2024, across six versions. Same price, smarter model every time - that's where "AI got cheaper" actually lives. The budget model went the other way : Haiku launched at $0.25, today's is $1.00. 4x up. The other half of the story : for a fixed level of capability, prices fall ~10-50x per year (Epoch, a16z - links in the chart footer). This chart tracks the tiers, which is a different thing. Bonus : in March 2023 Claude billed per character - $2.90 per million chars. Token pricing only came a month later.