bump retired gemini 2.0 default models to 2.5 - #2433
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Signed-off-by: Petr McAllister <petr.mcallister@gmail.com>
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Pull request overview
Updates Kagent’s Gemini defaults to avoid using retired Gemini 2.0 models (which can 404 on Vertex AI when no model is explicitly configured), aligning defaults and examples with Gemini 2.5.
Changes:
- Bump the Go ADK runtime default Gemini model from
gemini-2.0-flashtogemini-2.5-flash. - Update Helm chart default Gemini model to
gemini-2.5-flash-lite. - Refresh CLI and Python sample defaults/examples to reference Gemini 2.5.
Reviewed changes
Copilot reviewed 4 out of 4 changed files in this pull request and generated 1 comment.
| File | Description |
|---|---|
| python/samples/adk/basic/basic/agent.py | Updates the sample agent’s default Gemini model to gemini-2.5-flash. |
| helm/kagent/values.yaml | Updates the Helm default Gemini provider model to gemini-2.5-flash-lite. |
| go/core/cli/cmd/kagent/main.go | Updates CLI init example and default --model-name to gemini-2.5-flash. |
| go/adk/pkg/agent/agent.go | Updates the Go ADK runtime’s DefaultGeminiModel to gemini-2.5-flash (affecting both Gemini and GeminiVertexAI when unset). |
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Signed-off-by: Petr McAllister <petr.mcallister@gmail.com>
supreme-gg-gg
approved these changes
Aug 12, 2026
EItanya
approved these changes
Aug 12, 2026
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/retest |
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gemini-2.0-flash and gemini-2.0-flash-lite are retired and Vertex AI returns 404 NOT_FOUND for them, hit on a fresh install with the geminiVertexAI provider and no model set in ModelConfig. Bumps the defaults to gemini-2.5-flash and gemini-2.5-flash-lite.