Baseten Becomes First Open-Model Inference Provider in OpenAI's B2B Marketplace

OpenAI launched a B2B marketplace with Baseten as its first open-model inference provider, letting enterprises run open-weight models via Codex and the Responses API — a shift from 'use our models' to capturing enterprise AI budgets.

2026-09-30 ~ 2026-09-30 · 4 related posts

• Baseten joins OpenAI's B2B marketplace as a first open-model inference provider — natolambert · 2026-09-30
• OpenAI launches marketplace: Baseten open-weight inference sold via Responses API — baseten · 2026-09-30
• OpenAI to serve open-source models via Baseten, pivoting to own enterprise AI budgets — downingARK · 2026-09-30

1 near-duplicate retellings: baseten