Agentic AI Costs Drop Rapidly

bertona88 · reddit · 2026-07-19

A chart illustrates that per-call costs for agentic AI have plummeted in 42 days. The cheapest model meeting the score threshold dropped from 5.5 cents to 1.3 cents, making it about 4.2× cheaper.

The chart also shows price changes across various capability thresholds for models like Claude Opus 4.8, Claude Fable 5, Claude Sonnet 5, GPT-5.6 Sol, GPT-5.6 Luna, and Kimi K3. The bottom-line conclusion: across Agentic Index thresholds from 5 to 50, overall monthly costs are about 1.44× cheaper.

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