AI / FlutterBench / Tasks / dart-build-cli-app / dart-build-cli-app__t46-gemini-31-flash-lite
Trial Evaluation

dart-build-cli-app__t46-gemini-31-flash-lite

Task: google/dart-build-cli-app
PARTIAL
39 % Composite Reward
Model Gemini 3.1 Flash Lite Google
Agent Harness gemini-cli Standard Baseline
Tokens 55.0k 53.1k in / 1.8k out
Cost $0.0015 USD estimated
Execution Phase Durations
Environment Setup10.0s
Agent Setup10.0s
Agent Execution1.3m
Verifier27.0s

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%
39%
dart_compile:exe wt: 30% 0.00

Executable compiled with dart compile exe.

cli_flag_tests wt: 70% 0.39

Flag parsing tests for --help, --version, --verbose, and --format=json.

QUALITYWeight 30%
34%
StaticAnalysisGrader wt: 50% 0.34

7 linter warnings detected.

structural_validation wt: 30% 0.60

Clean separation of concerns and architectural layers.

idiomatic_review wt: 20% 0.34

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

DXWeight 10%
57%
tool_usage wt: 40% 0.40

Standard command-line execution without language server telemetry.

trajectory wt: 30% 0.57

Multiple retry cycles before settling on solution.

error_recovery wt: 30% 0.57

Fast turnaround from initial compile warnings to clean build.

Agent Execution Trajectory

Sequential step timeline captured during autonomous agent execution:

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    step0ms
  3. 3
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Generated Code Artifacts

Files modified or generated by the agent during this trial:

📄 artifacts/workspace/bin/main.dart Generated 
// Generated implementation for dart-build-cli-app
// Model: gemini-3.1-flash-lite
// Verification score: 0.39 (partial)
📄 artifacts/workspace/lib/cli_runner.dart Generated 
// Generated implementation for dart-build-cli-app
// Model: gemini-3.1-flash-lite
// Verification score: 0.39 (partial)
📄 artifacts/workspace/lib/command_options.dart Generated 
// Generated implementation for dart-build-cli-app
// Model: gemini-3.1-flash-lite
// Verification score: 0.39 (partial)
📄 artifacts/workspace/pubspec.yaml Generated 
// Generated implementation for dart-build-cli-app
// Model: gemini-3.1-flash-lite
// Verification score: 0.39 (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 Build Command-Line CLI App tests passed.
00:04 +3 -1: 2 edge-case assertions failed.
00:05 +4: Static analysis completed with minor hints.
Overall result: PARTIAL (Score: 0.39)
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