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2.2.96

comet-ml/opik2.2.96Oct 9, 2026by github-actions[bot]

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What changed from 2.2.95 → 2.2.96?What's new in 2.2.97 after 2.2.96?

AI Summary

Contains frontend and backend fixes for the Opik playground, focusing on prompt versioning, filter persistence, and model-specific parameter handling for OpenRouter and Gemini 3.

Key Highlights

  • Playground starts with a system message and keeps + Message alternating
  • Logs filters persist when returning to the page
  • Backend serves the latest version of a prompt from the index
  • OpenRouter ignores sampling params for OpenAI reasoning and Gemini 3 models
  • Gemini 3 models use default temperature in optimization runs

New Features

  • Prompt versioning in playground
  • Filter state persistence
  • Model parameter adjustments
  • UI feedback for greyed out output
  • Model pricing updates

Full Release Notes

## What's Changed
* [NA] [FE] fix: start the playground with a system and a user message, and keep + Message alternating by @aadereiko in https://github.com/comet-ml/opik/pull/8762
* [NA] [FE] fix: say why the output is greyed out after editing a playground prompt by @aadereiko in https://github.com/comet-ml/opik/pull/8758
* [OPIK-8720] [BE] Serve a prompt's latest version from the index by @thiagohora in https://github.com/comet-ml/opik/pull/8825
* [NA] [DOCS] fix: skip Fern build files in the docs link check and pin linkinator by @andriidudar in https://github.com/comet-ml/opik/pull/8836
* [OPIK-8704] [FE] feat: keep Logs filters when returning to the page by @petrotiurin in https://github.com/comet-ml/opik/pull/8815
* [OPIK-8636] [FE] fix: hide and drop the sampling params OpenRouter ignores for OpenAI reasoning and Gemini 3 models by @aadereiko in https://github.com/comet-ml/opik/pull/8830
* [NA] [PYBE] fix: leave Gemini 3 task models at their default temperature in optimization runs by @aadereiko in https://github.com/comet-ml/opik/pull/8834
* [NA] [BE] Update model prices file by @CometActions in https://github.com/comet-ml/opik/pull/8849


**Full Changelog**: https://github.com/comet-ml/opik/compare/2.2.95...2.2.96

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