3 free tools — no signup required.
GPT-4o, o1 & o3 pricing with caching & batch
Opus, Sonnet & Haiku with prompt caching
GPT-4o vs Claude vs Gemini — find the cheapest
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True cost to hire in PA with taxes & benefits
Brand deals, sponsored posts & affiliate tax
Pro-rata rule & conversion tax impact
3-party split: equity, CDC & bank portions