New

  • Evaluator results: LLM graders now provide a written rationale alongside each score, making it easier to understand why an evaluation passed or failed.
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Improved

  • Model catalog: updated available and retired models, refreshed provider pricing, and expanded model capability details.
  • Model catalog loading: models now load on demand for each organization, with retry handling and protection against stale responses.
  • Log ingestion: very large log payloads are now captured reliably without stalling the ingestion pipeline.
  • Search: improved full-text search performance with a new ClickHouse text index.
  • Request logs: queries that exceed memory or time limits now return a clear, actionable response instead of a raw database error.
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Fixed

  • Workflows: fixed an amplification issue that could cause workflows to perform unnecessary repeated work.
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New

  • Error Tracking: added an incident-first investigation experience with impact summaries, timelines, contributing error groups, occurrence evidence, acknowledgements, and notes.
  • Spans: the “Aggregate into” control is now available to all Spans users, making it easier to investigate activity by supported groups.
  • Reports: reports now include Pulse metrics, and existing customer reports have been migrated to the updated format.
  • Agent chat: agent responses can now render charts, tables, and lists for clearer, more structured results.
  • Model catalog: added BYOK-only billing labels across the catalog and model selectors.
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Improved

  • Experiments: refined evaluation analytics and comparison views while reducing unnecessary trace loading, and added backend status visibility and automatic refreshes for active experiments.
  • Evaluator editor: added expanded editors for LLM prompts and Python code, with immediate synchronization and smoother keyboard interactions.
  • Error Tracking: improved how errors are classified into incidents for more accurate investigation.
  • Model discovery: models now default to newest-first ordering, with clearer release dates and lifecycle information.
  • Model pages: improved layouts across compact, expanded, sparse, and data-rich views.
  • Experiment performance: compressed large experiment-log responses to reduce loading time and transferred data.
  • Hosted MCP: improved sign-in continuity for hosted MCP connections with a dedicated OAuth session flow.
  • Logs API: removed internal platform fields from log, trace, and span API responses.
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Fixed

  • Experiments: fixed evaluator scoring so model, cost, and token metrics come from the experiment run instead of the source dataset row.
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New

  • Microsoft Teams: Microsoft Teams is now available as a notification integration.
  • Reports: reports can now include Pulse summaries for richer incident and behavior reporting.
  • Logs: request activity can now be grouped by Threads or Traces directly from Logs, with filtering, sorting, refreshing, and detail panels available in each grouped view.
  • Experiments: experiment lists now include evaluator scores and model details, making results easier to compare without opening each experiment.
  • Behaviors: Behaviors is now available to regular platform users, with a complete draft, training, and review workflow.
  • Home: added a recently visited section for quickly returning to prompts and datasets.
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Improved

  • Red Team: improved campaign setup, engine performance, CLI presentation, documentation, and error handling.
  • Experiments: conditional evaluator results can now return N/A. Aggregate scores exclude unscored rows and show the number of scored results, while histograms display N/A separately.
  • Evaluators: refined the grader editor, expanded Code evaluation access, and improved how LLM and Code configurations are displayed and saved.
  • Behaviors: improved classification accuracy, reduced false positives, added controls for flagging incorrect matches, and made behavior charts clearer across time ranges.
  • Error tracking: improved error classification and added automatic clustering for errors occurring around the same time.
  • Model catalog: improved model information and catalog performance, including richer descriptions, release dates, and coding benchmark scores.
  • Request logs: customer names and email addresses are now preserved in request-log lists, and nearby-request navigation more accurately follows the selected event’s timestamp.
  • Dashboard sessions: bookmarked dashboards now refresh expired sessions automatically instead of unexpectedly returning users to sign-in.
  • Metrics: empty breakdown charts now remain in a stable no-data state without flashing.
  • Prompts: new drafts are created only after an edit, keeping prompt version history cleaner.
  • Dataset imports: imported message histories now appear as conversations, and expected outputs are stored and displayed as formatted JSON.
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Fixed

  • Experiments: boolean evaluator results now display false values correctly, and multi-turn prompt experiments retain the complete conversation history.
  • Experiment workflows: added task validation and made configured evaluator execution more consistent.
  • Prompts: fixed commit detection and redeployment behavior across all behavior-affecting settings. Load-balancing configuration is now preserved during JSON editing, and dropped parameters are persisted so they no longer reappear.
  • Evaluators: fixed commit messages overwriting evaluator descriptions and ensured each version displays its own commit message.
  • Security: closed an unauthorized live-event stream vulnerability and resolved an additional high-severity security issue.
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New

  • Red Team: Red Team is now available online, with tools to create and run assessments, review results, and generate reports. The open-source Red Team engine is also available on PyPI.
  • Experiments: added filters for datasets, prompts, evaluators, and models, along with model, prompt, and evaluator details directly in experiment lists.
  • Dataset automation: automatic insert workflows now support trace datasets.
  • Dashboard autosave: named dashboard views now save automatically, making it easier to preserve dashboard changes as you work.
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Improved

  • Experiments: added starring, provider icons for models, and server-side table sorting for more useful experiment management at scale.
  • Dashboards: improved synced chart-hover markers and comparison labels so tooltips and date ticks consistently respect the selected timezone.
  • Home dashboard: metrics refresh automatically in the background and update more reliably when returning to the page or changing the time range.
  • Metrics: charts now support copy-to-clipboard.
  • Behaviors: improved behavior detection accuracy and reduced false positives.
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Fixed

  • Traces: span-level filters are now preserved when viewing grouped traces and threads, so results remain accurate.
  • Security: strengthened protections.
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New

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Improved

  • Dashboard charts: chart cards now stay above neighboring tiles when hovered or keyboard-focused, keeping chart controls accessible in dense dashboards.
  • Command palette: aliases now resolve during search, and the favorites action is now labeled “Pin.”
  • Onboarding: added a sign-out option during onboarding so users can switch accounts without getting stuck.
product

Improved

  • Dashboard charts: restored chart spacing, grid behavior, refresh controls, timezone selector behavior, and full-window calendar presets for daily, weekly, monthly, and compare-period views.
  • Onboarding: improved checklist steps, migrated onboarding variables, and fixed cases where users could get stuck or see visual flashes during onboarding.
  • Logs display: tool call usage and tool call results are now displayed more clearly in the Spans and Threads pages.
  • Limits and webhooks settings: improved cache and typing behavior, and fixed schema mismatch issues.
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Fixed

  • Prompts: fixed an issue where prompt commit messages could be missing.
  • Playground: fixed opening request logs in Playground so log handoff works reliably from log views.
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New

  • Playground: all users can now switch between the current and new Playground experiences.
  • Cache visibility: cache tables now show last used time, expiry, and hit count columns.
  • Dataset row deletion: users can now delete individual dataset records from the logs table with a confirmation flow.
  • Reports: reports now include an activity panel and inspector for easier review of report-related changes.
product

Improved

  • Dashboard charts: improved metrics controls with timezone-aware ranges, chart expansion, drag-to-zoom, synced hover, layout reset behavior, and graph customizations.
  • Experiments: improved the creation flow, model preset selection, log table wrapping, running indicators, and live result refresh while traces are still being written.
  • Prompt and Playground navigation: prompt identity is now driven by URL parameters for more reliable sharing, reloads, and navigation.
  • Tables: added infinite scrolling support, column reordering, better timestamp formatting, and improved table preview behavior.
  • Logs and traces: improved preview table sizing and paused live streaming during bulk selection so selected rows stay stable.
  • Views and preferences: scoped display preferences are now preserved more reliably after reloads.
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Fixed

  • Dataset uploads and experiment results: fixed a regression where dataset uploads could silently fail and experiment runs could complete without results.
  • OAuth login: fixed a rate-limiting issue that could break OAuth or social login.
  • Gateway prompt variables: prompt variables now resolve with consistent precedence across Chat and Responses APIs.
  • Logging reliability: streaming logs now retry failed batch writes and route undeliverable batches to a recoverable queue instead of dropping them.
  • Streaming reliability: stalled streaming consumers now recover automatically, reducing delayed logs and background processing gaps.
  • Gateway credentials: dedicated deployments for one model no longer block shared credentials for other models under the same provider.
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New

  • Model status filtering: the Models page now supports filtering models by Active or Deprecated status.
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