China just dropped a new frontier model... and nobody can explain how

The Brief

• Kimi K3.1 is presented as a free 3-trillion-parameter open-weight model.
• The description claims it comes within one point of Opus on Terminal Bench.
• The video sets out to test whether the model is actually good.

Why watch · It covers a new open-weight model with benchmark claims against a leading proprietary model, which is relevant to developers choosing models.

• Kimi K3.1
• Open-weight models
• Terminal Bench
• LLM benchmarks

Summarised by Claude from the video’s title and description – YouTube doesn’t make transcripts available, so check the video for the details.