AI / FlutterBench / Tasks / flutter-adaptive-material-cupertino / flutter-adaptive-material-cupertino__t39-gemini-35-pro
Trial Evaluation

flutter-adaptive-material-cupertino__t39-gemini-35-pro

Task: google/flutter-adaptive-material-cupertino
PASS
87 % Composite Reward
Model Gemini 3.5 Pro Google
Agent Harness antigravity-sdk Dart MCP + Skills
Tokens 93.3k 89.4k in / 4.0k out
Cost $0.1315 USD estimated
Execution Phase Durations
Environment Setup10.0s
Agent Setup10.0s
Agent Execution2.0m
Verifier29.0s

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%
87%
adaptive_scaffold_test wt: 50% 0.87

Renders NavigationBar on Android and CupertinoTabBar on iOS.

theme_adaptation wt: 50% 1.00

Adaptive dynamic colors and native typography scales.

QUALITYWeight 30%
85%
StaticAnalysisGrader wt: 50% 0.85

Zero static analysis issues found.

structural_validation wt: 30% 1.00

Clean separation of concerns and architectural layers.

idiomatic_review wt: 20% 0.85

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

DXWeight 10%
95%
tool_usage wt: 40% 0.95

Dart MCP tools (analyze_files, dtd, hot_reload) utilized efficiently.

trajectory wt: 30% 0.95

Linear problem-solving without excessive tool backtracking.

error_recovery wt: 30% 1.00

Fast turnaround from initial compile warnings to clean build.

Agent Execution Trajectory

Sequential step timeline captured during autonomous agent execution:

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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-3.5-pro
// Verification score: 0.87 (pass)
📄 artifacts/workspace/lib/widgets/adaptive_nav.dart Generated 
// Generated implementation for flutter-adaptive-material-cupertino
// Model: gemini-3.5-pro
// Verification score: 0.87 (pass)
📄 artifacts/workspace/lib/main.dart Generated 
// Generated implementation for flutter-adaptive-material-cupertino
// Model: gemini-3.5-pro
// Verification score: 0.87 (pass)
📄 artifacts/workspace/test/adaptive_scaffold_test.dart Generated 
// Generated implementation for flutter-adaptive-material-cupertino
// Model: gemini-3.5-pro
// Verification score: 0.87 (pass)

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: All Adaptive Material & Cupertino UI unit tests passed.
00:04 +4: Static analysis: 0 warnings, 0 errors.
00:05 +5: Rubric grader verification completed.
Overall result: PASS (Score: 0.87)
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