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Changelog

See our latest feature releases, product improvements and bug fixes

Sep 11, 2026

Model API costs

You can now retrieve your Model API spend through the Management API. The new GET /v1/billing/model_apis endpoint returns exact subtotals for each calendar day, rated from your usage.

Sep 10, 2026

DeepSeek V4.1 Flash available on Baseten

DeepSeek V4.1 Flash is now available through Baseten Model APIs. The 552B-parameter multimodal successor to DeepSeek V4 Flash 0731, it is purpose-built for agentic, coding workflows, and has...

Sep 10, 2026

Regional deployments

Restrict every replica in a deployment to a specific Baseten region. Select a region through the dashboard, Baseten CLI, or Management API to meet compliance or data residency requirements or reduce...

Sep 3, 2026

GLM 5.3 Fast available on Baseten

GLM 5.3 Fast is now available through Baseten Model APIs. It serves the same 753B-parameter model as GLM 5.3 on dedicated Fast capacity and is distinct from GLM 5.3 Flash.

Sep 1, 2026

Viewer role for read-only access

We've introduced a Viewer role so you can give teammates read-only access to Baseten resources without granting deployment or configuration permissions. Viewers can invoke models and inspect...

Sep 1, 2026

AWS AssumeRole authentication

Baseten can now assume an IAM role in your AWS account to pull private base images from Amazon ECR and mirror model weights from Amazon S3 during builds.

Aug 28, 2026

GLM 5.3 available on Baseten

GLM 5.3, Z.ai’s latest flagship model, is now available through Baseten Model APIs and Loops. It has a 1M-token context window and defaults to high reasoning. Set reasoning_effort to low, high, or...

Aug 26, 2026

GLM 5.3 Flash available on Baseten

GLM 5.3 Flash is now available through Baseten Model APIs. Send requests to zai-org/GLM-5.3-Flash through our OpenAI-compatible endpoint with your Baseten API key.

Aug 25, 2026

Autoscaling schedules

Autoscaling schedules are now generally available. A schedule changes an environment's autoscaling settings on a defined window, so you can pre-warm capacity before traffic arrives.

Aug 19, 2026

Runtime OIDC

You can now authenticate to OIDC-compatible cloud providers without storing long-lived credentials. Set runtime.oidc.enabled: true in your Truss config and Baseten mounts a short-lived token into the...