Changelog | February, 2025
Changelog | February, 2025
Changelog | February, 2025
February 27th, 2025
We’ve added support for the GPT-4.5 Preview and Snapshot 02/27/2025 via OpenAI.
February 27th, 2025
We’ve added support for Llama 3.2 and Llama 3.3 models via AWS Bedrock on the us-west-2 region.
We’ve added the following models:
February 24th, 2025
We’ve added support for Anthropic’s new Claude 3.7 Sonnet model (latest and 02/19/2025 snapshot variants).
February 18th, 2025
For those participating in the Workflow SDK beta, you can now preview the SDK-code representation of your Workflows directly in the UI. To do so, click on the preview button:

Doing so will open a side panel with a full representation of your Workflow in code form.

This feature is still in beta, so please let us know if you encounter any issues or have feedback! You can learn more about how to opt into the Workflows SDK beta here.
February 16th, 2025
The Restore button has been moved from the top-right of Sandboxes pages to the History Cards themselves. This makes it easier to find and use the Restore button and revert back to a prior state of your Prompt or Workflow Sandbox.
February 16th, 2025
There has been a minor improvement to the layout of Workflow Nodes. Now, input variables are always displayed above output types, making it easier to skim and understand a Node from top to bottom.
Code Execution, Templating, and Final Output Nodes are all affected by this change.
February 16th, 2025
The Model Picker has been updated to make it easier to find the model you’re looking for. Now, you can sort models alphabetically by their name, the date they were introduced, and when they were last used by someone in your Workspace.

Additionally, filters and sort preferences are saved across sessions, so you don’t have to reapply them every time.
February 16th, 2025
Up until now, we’ve restricted you to only have one Chat History variable in a Prompt. It’s quite uncommon to need more than one, but we understand that there are some cases where it can be useful. We’ve now lifted this restriction and you can now have multiple Chat History variables in a Prompt.
February 10th, 2025
We recently overhauled core pieces of our webserver to improve the performance of the Vellum web application across the board. You should generally notice snappier page load times and more responsive interactions throughout the app.
February 7th, 2025
We’ve added support for xAI as a Model Host and along with it, the following Grok models have been implemented:
February 7th, 2025
We’ve added support for several new Gemini models via Vertex AI:
February 7th, 2025
We’ve added support for the DeepSeek V3 model via Fireworks AI.
February 7th, 2025
We’ve added support for the Gemini 2.0 Flash 001 model via Gemini.
February 3rd, 2025
We’ve added support for OpenAI’s o3-mini 2025-01-31 snapshot to be used as a self-hosted model via Azure.