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bump retired gemini 2.0 default models to 2.5 #2433

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bump retired gemini 2.0 default models to 2.5 #2433

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022878f
bump retired gemini 2.0 default models to 2.5
PetrMc Aug 12, 2026
737a322
bump gemini 2.0 refs in examples and tests too
PetrMc Aug 12, 2026
b63f4bc
Merge branch 'main' into petrmc/gemini-default-model
PetrMc Aug 13, 2026
19ddd87
Merge branch 'main' into petrmc/gemini-default-model
supreme-gg-gg Aug 13, 2026
24eb4fd
Merge branch 'main' into petrmc/gemini-default-model
supreme-gg-gg Aug 13, 2026
5a0adb2
Merge branch 'main' into petrmc/gemini-default-model
PetrMc Aug 14, 2026
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2 changes: 1 addition & 1 deletion go/adk/examples/oneshot/testdata/gemini.json
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
{
"model": {
"type": "gemini",
"model": "gemini-2.0-flash"
"model": "gemini-2.5-flash"
},
"description": "Gemini test agent",
"instruction": "You are a helpful assistant. Answer concisely in one sentence."
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2 changes: 1 addition & 1 deletion go/adk/examples/oneshot/testdata/gemini_vertexai.json
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@@ -1,7 +1,7 @@
{
"model": {
"type": "gemini_vertex_ai",
"model": "gemini-2.0-flash"
"model": "gemini-2.5-flash"
},
"description": "Gemini Vertex AI test agent",
"instruction": "You are a helpful assistant. Answer concisely in one sentence."
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2 changes: 1 addition & 1 deletion go/adk/pkg/agent/agent.go
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Expand Up @@ -25,7 +25,7 @@ import (

// Default model names used when not specified in configuration
const (
DefaultGeminiModel = "gemini-2.0-flash"
DefaultGeminiModel = "gemini-2.5-flash"
DefaultAnthropicModel = "claude-sonnet-4-20250514"
DefaultOllamaModel = "llama3.2"
)
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4 changes: 2 additions & 2 deletions go/adk/pkg/agent/agent_test.go
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Expand Up @@ -110,9 +110,9 @@ func TestConfigDeserialization_AllTypes(t *testing.T) {
},
{
name: "gemini",
json: `{"type":"gemini","model":"gemini-2.0-flash"}`,
json: `{"type":"gemini","model":"gemini-2.5-flash"}`,
wantType: "gemini",
wantModel: "gemini-2.0-flash",
wantModel: "gemini-2.5-flash",
},
{
name: "gemini_vertex_ai",
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4 changes: 2 additions & 2 deletions go/core/cli/cmd/kagent/main.go
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Expand Up @@ -261,7 +261,7 @@ If no model is specified, the agent will need to be configured later.
Examples:
kagent init adk python dice
kagent init adk python dice --instruction-file instructions.md
kagent init adk python dice --model-provider Gemini --model-name gemini-2.0-flash`,
kagent init adk python dice --model-provider Gemini --model-name gemini-2.5-flash`,
Args: cobra.ExactArgs(3),
Run: func(cmd *cobra.Command, args []string) {
initCfg.Framework = args[0]
Expand All @@ -279,7 +279,7 @@ Examples:
// Add flags for custom instructions and model selection
initCmd.Flags().StringVar(&initCfg.InstructionFile, "instruction-file", "", "Path to file containing custom instructions for the root agent")
initCmd.Flags().StringVar(&initCfg.ModelProvider, "model-provider", "Gemini", "Model provider (OpenAI, Anthropic, Gemini)")
initCmd.Flags().StringVar(&initCfg.ModelName, "model-name", "gemini-2.0-flash", "Model name (e.g., gpt-4, claude-3-5-sonnet, gemini-2.0-flash)")
initCmd.Flags().StringVar(&initCfg.ModelName, "model-name", "gemini-2.5-flash", "Model name (e.g., gpt-4, claude-3-5-sonnet, gemini-2.5-flash)")
initCmd.Flags().StringVar(&initCfg.Description, "description", "", "Description for the agent")

buildCfg := &cli.BuildCfg{
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2 changes: 1 addition & 1 deletion helm/kagent/values.yaml
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Expand Up @@ -644,7 +644,7 @@ providers:
azureEndpoint: ""
gemini:
provider: Gemini
model: "gemini-2.0-flash-lite"
model: "gemini-2.5-flash-lite"
apiKeySecretRef: kagent-gemini
apiKeySecretKey: GOOGLE_API_KEY
# apiKey: ""
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2 changes: 1 addition & 1 deletion python/packages/kagent-adk/tests/unittests/test_instruction_escaping.py
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Expand Up @@ -39,7 +39,7 @@ def _make_agent_config(instruction: str):
import kagent.adk.types as types_mod

return types_mod.AgentConfig(
model={"type": "gemini", "model": "gemini-2.0-flash"},
model={"type": "gemini", "model": "gemini-2.5-flash"},
description="test agent",
instruction=instruction,
)
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2 changes: 1 addition & 1 deletion python/samples/adk/basic/basic/agent.py
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Expand Up @@ -42,7 +42,7 @@ async def check_prime(nums: list[int]) -> str:


root_agent = Agent(
model="gemini-2.0-flash",
model="gemini-2.5-flash",
name="hello_world_agent",
description=("hello world agent that can roll a dice of 8 sides and check prime numbers."),
instruction="""
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