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Better prompt caching for GPT-6

Learn how GPT-6 improves prompt caching with higher cache hit rates, new diagnostics, explicit breakpoints, and controls that reduce latency and costs.

OpenAI's GPT-5.6 Moves Point to a Broader API Price-Performance Strategy

OpenAI's latest GPT-5.6 changes offer concrete evidence of a strategy that matters to anyone building with AI APIs: improving the balance between model capability, speed, and cost rather than treating…

  • OpenAI introduces GPT-5.6 with performance, cost, speed options
  • 80% discount on Luna mode, 20% reduction on Terra
  • Fast mode added for Sol to balance cost and performance

Anthropic Cuts AI Processing Costs 40% With Opus 5.5 Debut

Anthropic said its new Claude Opus 5.5 represents a “major step up” from Opus 5 and costs 40% less to run than Opus 5 on typical workloads. “It’s the new leading model, and early testers saw large jumps in performance on their most complex work,” Anthropic said in a Tuesday (Sept. 22) announcement.

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