AI / FlutterBench / Tasks / flutter-adaptive-material-cupertino / flutter-adaptive-material-cupertino__t49-gemini-31-flash-lite
Trial Evaluation

flutter-adaptive-material-cupertino__t49-gemini-31-flash-lite

Task: google/flutter-adaptive-material-cupertino
PARTIAL
28 % Composite Reward
Model Gemini 3.1 Flash Lite Google
Agent Harness gemini-cli Standard Baseline
Tokens 54.8k 52.9k in / 1.8k out
Cost $0.0015 USD estimated
Execution Phase Durations
Environment Setup10.0s
Agent Setup10.0s
Agent Execution2.1m
Verifier25.0s

Scoring Rubric Breakdown

Composite Reward = 0.60×Outcome + 0.30×Quality + 0.10×DX

Detailed criteria evaluation produced by automated test graders and LLM rubrics:

OUTCOMEWeight 60%
26%
adaptive_scaffold_test wt: 50% 0.26

Renders NavigationBar on Android and CupertinoTabBar on iOS.

theme_adaptation wt: 50% 0.26

Adaptive dynamic colors and native typography scales.

QUALITYWeight 30%
23%
StaticAnalysisGrader wt: 50% 0.23

8 linter warnings detected.

structural_validation wt: 30% 0.60

Clean separation of concerns and architectural layers.

idiomatic_review wt: 20% 0.23

Dart 3 idioms (pattern matching, records, sealed classes) adherence.

DXWeight 10%
56%
tool_usage wt: 40% 0.39

Standard command-line execution without language server telemetry.

trajectory wt: 30% 0.56

Multiple retry cycles before settling on solution.

error_recovery wt: 30% 0.56

Fast turnaround from initial compile warnings to clean build.

Agent Execution Trajectory

Sequential step timeline captured during autonomous agent execution:

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  3. 3
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  5. 5
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Generated Code Artifacts

Files modified or generated by the agent during this trial:

📄 artifacts/workspace/lib/widgets/adaptive_scaffold.dart Generated 
// Generated implementation for flutter-adaptive-material-cupertino
// Model: gemini-3.1-flash-lite
// Verification score: 0.28 (partial)
📄 artifacts/workspace/lib/widgets/adaptive_nav.dart Generated 
// Generated implementation for flutter-adaptive-material-cupertino
// Model: gemini-3.1-flash-lite
// Verification score: 0.28 (partial)
📄 artifacts/workspace/lib/main.dart Generated 
// Generated implementation for flutter-adaptive-material-cupertino
// Model: gemini-3.1-flash-lite
// Verification score: 0.28 (partial)
📄 artifacts/workspace/test/adaptive_scaffold_test.dart Generated 
// Generated implementation for flutter-adaptive-material-cupertino
// Model: gemini-3.1-flash-lite
// Verification score: 0.28 (partial)

Execution & Verifier Logs

Verifier Standard Output (test-stdout.txt) 
00:00 +0: loading tests/graders.dart
00:01 +1: Environment setup verification passed.
00:02 +2: Task codebase compilation check.
00:03 +3: 3/5 Adaptive Material & Cupertino UI tests passed.
00:04 +3 -1: 2 edge-case assertions failed.
00:05 +4: Static analysis completed with minor hints.
Overall result: PARTIAL (Score: 0.28)
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