12時間前
OpenAI tests AMD and Cerebras as Nvidia inference chip speed frustrates coding workloads
OpenAI began searching in 2025 for alternatives to Nvidia's inference hardware after internal teams flagged speed constraints in code generation and software-to-software tasks. The company has since signed a deal with Cerebras and is evaluating AMD GPUs to potentially handle about 10% of future inference demand, while talks with Groq ended following a $20 billion Nvidia licensing agreement. A separate plan for Nvidia to invest up to $100 billion in OpenAI remains unresolved, even as both firms publicly emphasize that Nvidia still powers most of OpenAI's inference fleet.
12時間前
18時間前
On-Us and Off-Us Card Transactions Shape Fees, Speed and Payment Infrastructure
On 2 February 2026, a detailed overview explained how on-us and off-us card transactions differ in structure and impact. On-us payments occur when the issuer and acquirer are the same bank and remain on internal rails, while off-us flows connect different banks via card networks such as Visa, Mastercard, or RuPay. This technical distinction influences processing time, costs, and how banks and fintechs design their payment infrastructure.
18時間前