Baseten Achieves Day-0 Availability for Kimi K3 via Model APIs

Following the release of Moonshot's 2.8T parameter Kimi K3 model, third-party platform Baseten announced the model's official launch on its Model APIs as a Day 0 partner, making it directly accessible to developers on launch day.

Confirmed

Key point Baseten officially confirmed its Day 0 partnership with Moonshot, with Kimi K3 now fully available on the platform.
Key point According to the Baseten engineering team, Moonshot shared early model weights with them ahead of time to ensure Day 0 readiness.
Key point For deployment, Baseten successfully ran the model on NVIDIA GB300 NVL72 systems and built the inference API in collaboration with vLLM.

Why it matters

The full integration of a new model into a mainstream third-party API platform on its release day indicates a highly mature distribution and deployment pipeline. Sharing early weights combined with rapid deployment tools like vLLM significantly lowers the barrier to entry for developers, ensuring immediate availability and seamless business integration right after a model's launch.

2026-07-27 ~ 2026-07-28 · 7 related posts

Primary sources

Baseten adds Kimi K3 to its Model APIs on day 0 — baseten · 2026-07-27 23:15 (UTC+08:00)
Baseten details day-0 API support for Moonshot's 2.8T-parameter Kimi K3 — philipkiely · 2026-07-27 23:16 (UTC+08:00)

[source] Baseten adds Kimi K3 to its Model APIs on day 0 — baseten · 2026-07-27
[source] Baseten details day-0 API support for Moonshot's 2.8T-parameter Kimi K3 — philipkiely · 2026-07-27
Baseten adds day-0 API support for Moonshot’s Kimi K3 on vLLM — AccBalanced · 2026-07-28

4 near-duplicate retellings: baseten · Madisonkanna · baseten · baseten