Microsoft off-take commitment:
The financing gate behind the OpenAI-Broadcom custom-chip buildout reported, not confirmed OpenAI round guides compute build funds Project Nexus custom chip w/ Broadcom off-take gate Microsoft ~40% buy commitment gating production financing wafers in capacity reserved Microsoft DC chips installed capacity to OpenAI guided AI revenue key proof point committed not committed gate holds capacity reserved, ramp proceeds AI revenue proof holds gate breaks capacity not reserved, ramp stalls AI revenue proof lost