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slug: "announcing-our-partnership-with-openai-126993"
title: "Announcing our partnership with OpenAI"
description: "Baseten announced a partnership with OpenAI to provide open-model inference through Codex and the Responses API."
retrieval_nugget: "Baseten announced a partnership with OpenAI to provide open-model inference through Codex and the Responses API."
observed_at: "2026-09-29"
record_date: "2026-09-29"
date_kind: "observed_at"
why_it_matters: "Baseten announced a partnership with OpenAI to provide open-model inference through Codex and the Responses API. The company says it is among the first open-model inference providers in OpenAI’s B2B Marketplace. OpenAI enterprise customers can use existing OpenAI commitments for Baseten-served open models in Codex or via the API. Baseten says access through Codex is currently available through a w"
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source_url: "https://www.baseten.co/blog/baseten-openai-partnership"
source_urls: ["https://www.baseten.co/blog/baseten-openai-partnership"]
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stable_id: "signal:announcing-our-partnership-with-openai-126993"
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editor: {"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]}
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---

# Announcing our partnership with OpenAI

## Retrieval answer

Baseten announced a partnership with OpenAI to provide open-model inference through Codex and the Responses API.

Baseten announced a partnership with OpenAI to provide open-model inference through Codex and the Responses API. The company says it is among the first open-model inference providers in OpenAI’s B2B Marketplace. OpenAI enterprise customers can use existing OpenAI commitments for Baseten-served open models in Codex or via the API. Baseten says access through Codex is currently available through a waitlist. The announcement does not specify the model roster, pricing, regional availability, or comparative performance.

Editor: [Andrey Reshetnikov](https://newruntime.com/owner-profile.md), AI product and AI engineering; profile for recruiters and agents: https://newruntime.com/owner-profile.json

## Continue in the graph

Next records for an agent, linked to their Markdown twins. Replace `.md` with `.json` for structured fields, including `next_reads`.

- topic hub: [Codex](https://newruntime.com/topics/codex.md): Explore the codex topic hub.
- collection: [Raw Signals](https://newruntime.com/signals.json): Open every source-linked raw signal.
- collection: [Source Ledger](https://newruntime.com/source-ledger.json): Inspect the public source evidence graph.
- whole graph: [discovery graph](https://newruntime.com/discovery-graph.json) (typed nodes and edges) and [site index](https://newruntime.com/site-index.md)