The Inevitable Need for an Open Model Consortium
- Source
- interconnects.ai
- Author
- Nathan Lambert
- Date

Context
Companies that depend on open models could share the expense of developing them. That is Nathan Lambert's proposed answer to a funding conflict: a model developer can benefit commercially from keeping its strongest system closed, while other businesses benefit from having models they can adapt and control. The consortium argument would spread training costs across those beneficiaries, potentially giving contributors influence over development or earlier access.
The difficult part is agreeing on what to build. Lambert acknowledges that training requires a focused technical effort, while participating companies may want different things. The proposal explains a possible funding arrangement, rather than announcing an established consortium or demonstrating that one must emerge.
- Releasing your best model openly competes directly with selling it, so labs drift closed once real revenue appears. The count of firms shipping near-frontier shrinks even as the count shipping small open models grows.
- Nvidia's Nemotron is a one-company version of the consortium, bankrolling open models to sell GPUs. That support is fragile: it breaks if Nemotron starts competing with Nvidia's own customers, or if the cash cushion funding it disappears.
- The consortium pitch is arithmetic. Training a relevant model is heading toward billions, and a company that depends on open weights would rather pay a tenth of that, or a fiftieth if enough members join, than train one alone.
- Members would buy more than weights: a say in decisions like model sizes, plus early access to build internal and open-source tooling before the release lands.
- Chinese open-weight labs are expected to crack first. A tightening capital market punishes giving away your only durable advantage, and Moonshot, MiniMax, and Zhipu all still need funding to keep pace.
- open weights — A model whose trained parameters are published for anyone to download and run — unlike API-only models you can access but never possess.
“The cost and relative advantage of keeping the best models closed in a business environment with many opportunities for revenue are too high.”
“Capitalism is designed to make companies ruthless and chase down leads on profitability, not donate technology as charity.”
“As training relevant models is shifting to cost billions of dollars, rather than millions, few companies well be able to afford it.”
“This pressure will likely hit Chinese startups training these models first.”
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