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2026-07-09
runagentrun.co.uk
artificial-intelligence
Grok 4.5 undercuts the frontier on cost
XAI released Grok 4.5 on 8 July 2026, priced at $2 per million input tokens and $6 per million output tokens, making it roughly five times cheaper than competitors like Claude Fable 5 and GPT-5.5. The…