Releasesby GlyphDecember 2025
Claude Code integration You can now use Braintrust with Claude Code , Anthropic's agentic coding tool. The integration automatically traces Claude Code sessions to give you insight into LLM calls, tool usage, and performance, while enabling Claude to query logs, fetch experiment results, and log data using natural language, especially useful when writing...
Also shipped Dec 23, 2025Braintrust in December 2025 →
Meet Logs (beta) – more debugging context, all in PostHog
PostHog has introduced a logs feature in beta, allowing developers to view backend logs directly alongside session replays and error tracking without switching platforms.
Tailscale GitHub Action v4.1.1
- Fixed: The Tailscale GitHub Action uses the correct architecture for storing and retrieving caches on macOS-based GitHub runners.
Decoupled browser logs configuration: Independent controls for console and manual logs
We're excited to announce decoupled browser logs configuration. This new capability allows you to independently manage console logs and manual logs, giving you precise control over what data you collect and how much you spend on browser observability. What is decoupled browser logs configuration?
Streaming transformation (special property) improvements
Description: After reviewing 2025 customer tickets, the team identified a significant concentration of issues related to streaming transformation limitations around special properties. To improve customer experience and reduce support load, we prioritized a set of improvements and clarifications in Q4.
General destinations page and event streaming improvements
Description: We've leveraged our principle of customer centricity, and taken a look at recent customer tickets in the event streaming area. For each category of tickets we saw, we identified a couple of improvements to be made and, well, made them.
feldera 0.211.0
- [fda] add unbundle command compiler: harden against missing pipeline binaries docs: fix broken links Rust2024
More from BraintrustEvery Braintrust release →
January 2026
Auto-instrumentation for Python, Ruby, and Go Braintrust now supports auto-instrumentation for Python, Ruby and Go, enabling zero-code tracing for most providers. For any other providers, use manual wrapping . Temporal integration Braintrust now integrates with Temporal , a durable execution platform for building reliable distributed applications.
November 2025
- Custom metric columns on the experiments list page Aggregate table column headers on the experiments list page Resizable trace timeline sidebar Tag from prompt/scorer pages Add option to maintain hierarchy in trace tree view while filtering span types Dataset schemas with visual schema builder and form-based editing with validation Aggregate table column...
October 2025
- Enabled editing and resending Loop chat messages Document how to integrate Apollo GraphQL and Braintrust for automatic tracing Add support for Grok 4 Fast (Reasoning & Non-Reasoning) Add support for Groq gwen/gwen3-32 & moonshotai/kimi-k2-instruct-0905 Deprecate Anthropic Claude 3.5 models as they are no longer supported by Anthropic Modify Apply filter...
September 2025
- Added Anthropic Claude 4.5 Sonnet support Fixed Gemini schema support to enable proper function calling and structured outputs when using Google's Gemini models through Braintrust and the AI proxy Added Claude Agent SDK Integration support Added Gemini Flash and Lite Preview (Sept 2025) support Improved prompt detail chat logging and added link to...
August 2025
- Traces in the trace viewer on the logs page can now show all associated traces based on a metadata field or tag Monitor page layout changed to be more responsive to screen size Various UX improvements to prompt dialog Improved onboarding experience Trace timeline layout improvements Pro plan organizations can now downgrade to the Starter plan via the...
July 2025
- New improved UI for trace tree Token and cost metrics are computed per sub-tree in the trace viewer Download BTQL sandbox results as JSON or CSV Moved monitor chart legends to the bottom and increased chart heights Fixed a monitor chart issue where the series toggle selector would filter the incorrect series Improved monitor fullscreen experience: charts...
April 2026
Translate message content in traces You can now translate any message or string field in a trace without leaving the UI. This is useful when debugging multilingual agents or reviewing customer conversations in unfamiliar languages. Choose from English, Spanish, French, German, Japanese, and Chinese, or type any language name.
March 2026
Tag and star datasets Tags can now be applied to datasets themselves, not just to individual records within them. Use dataset tags to organize datasets in the list and star datasets to pin them to the top of the table and dataset picker dropdowns. See Tag and star datasets for details.