Stephanie Zhan

@stephzhan

Partner @Sequoia. Investing in AI, from company formation. 1st partner to @linear @mach_industries @middeskhq @reflection_ai @ricursiveai @skildai @tavus

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Technology

Beam announced as available across platforms with Apache 2.0 open weights

Reflection AI says it’s releasing the tokenizer and Mirror CLI, the open-source harness it used to train Beam.

12 Sources, 3d ago, updated 3d ago

Reflection announces Beam's open-weight release under Apache 2.0

Reflection says the release includes Mirror CLI, its open-source training harness, and collaborations with 40-plus partners.

66 Sources, 1d ago, updated 1d ago

Reflection AI introduces Beam, a 501B-parameter open model

Reflection says Beam uses 23B active parameters and plans to publish its full weights later in October 2026.

139 Sources, 12d ago, updated 12d ago

AMD agrees to acquire World Labs in $8.2 billion all-stock deal

World Labs says Fei-Fei Li will join AMD as executive vice president and chief scientist, working directly with CEO Lisa Su. The company says the move will bring its spatial AI research closer to the hardware.

93 Sources, 20d ago, updated 20d ago

Messinator robot reportedly trained for soccer through 140 years of virtual self-play

Skild AI says it trained Messinator in a virtual World Cup. A post quoting the announcement claims skills such as dribbling and recovering from falls emerged without hand-crafted rewards for those behaviors.