Originally published on rohitraj.tech
Anthropic's priciest model took 8.0% of its own customers' spend in July while Opus 4.8 took 28.0%. OpenAI extended a discount to November. A 22.4 GB quant claims Opus-class coding. Week 35 is the week the AI price war stopped being a headline and started being a routing decision.
Read the full version with code samples, diagrams, and architecture details: This Week in AI Dev: The Price War Reaches Anthropic's Flagship (Week 35 of 2026)
More engineering notes: rohitraj.tech/en/notes
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