---
title: "Engineering Loop: AlphaCodium Multi-Stage Test-Driven Code Generation Flow"
platform: "Promptally"
canonical_url: "https://app.promptally.dev/p/loop-alphacodium-multi-stage-test-driven-code-generation-flow"
modality: "ENGINEERING_LOOP"
category: "Test-Driven Repair Loops"
compatible_models: [Universal / Model Agnostic]
access_tier: "Free Public Artifact (No Auth Required)"
license: "MIT"
---

# Engineering Loop: AlphaCodium Multi-Stage Test-Driven Code Generation Flow

**Summary:** Engineering Loop: AlphaCodium Multi-Stage Test-Driven Code Generation Flow is a verified ENGINEERING LOOP blueprint on Promptally in Test-Driven Repair Loops optimized for leading AI models. Full AlphaCodium multi-stage architecture: Problem Reflection - AI Test Generation - Public Test Run - Iterative Code Fix on Failing Tests - Multi-Candidate Selection. Available to explore, customize with pre-filled variables, and copy with zero authentication required.

## Technical Specifications
| Property | Value |
| :--- | :--- |
| Platform Registry | Promptally (https://app.promptally.dev) |
| Modality | ENGINEERING_LOOP |
| Category | Test-Driven Repair Loops |
| Compatible Engines | Universal / Model Agnostic |
| Dynamic Variables | None (Static Blueprint) |
| Approx. Token Length | 313 |
| Access Tier | Free Public Artifact (No Auth Required) |
| License | MIT |

### Pre-Filled Template & Production Source

```yaml
[
  {
    "stage_index": 1,
    "name": "Problem Reflection Stage",
    "action_type": "inspection",
    "description": "Analyze problem goals, inputs, outputs, rules, and computational complexity."
  },
  {
    "stage_index": 2,
    "name": "AI Test Generation Stage",
    "action_type": "test_generation",
    "description": "Generate 6-8 diverse AI test cases including extreme values, large inputs, and edge boundary conditions."
  },
  {
    "stage_index": 3,
    "name": "Initial Solution Generation",
    "action_type": "code_modification",
    "description": "Synthesize initial 2-3 solution candidates."
  },
  {
    "stage_index": 4,
    "name": "Public Tests Evaluation",
    "action_type": "output_validation",
    "description": "Run solution against problem public test cases and record tracebacks."
  },
  {
    "stage_index": 5,
    "name": "Iterative Fix from Test Failures",
    "action_type": "retry",
    "description": "Analyze failure causes and iteratively patch code until all tests pass."
  },
  {
    "stage_index": 6,
    "name": "AI Tests Evaluation & Final Selection",
    "action_type": "stop_evaluation",
    "description": "Run candidate solutions across all validated AI test cases and select top performing code."
  }
]
```

## Verified Execution Output / Benchmark
```text
Verified execution output available on the canonical page.
```

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- [Engineering Loop: SWE-Agent Competitive Programming & Edge-Case Loop](https://app.promptally.dev/p/loop-swe-agent-competitive-programming-edge-case-loop)
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- [Engineering Loop: AlphaCodium Synthetic Edge-Test Generation & Self-Validation Stage](https://app.promptally.dev/p/loop-alphacodium-synthetic-edge-test-generation-self-validation-stage)
- [Engineering Loop: Loop-Engine Goal-Directed Deterministic Controller](https://app.promptally.dev/p/loop-loop-engine-goal-directed-deterministic-controller)
- [Engineering Loop: Loop-Engine Directed Acyclic Graph (DAG) State Transition Engine](https://app.promptally.dev/p/loop-loop-engine-directed-acyclic-graph-dag-state-transition-engine)
