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Architectural comparison · Enterprise platform

Aedeon vs AI coding agents.

Why autonomous single-repo agents break at the enterprise boundary.

Verified production benchmark · The New York Times

The New York Times evolved PLATO off Oracle 12c onto AWS Aurora PostgreSQL with Aedeon: six million lines of code in twelve weeks, verified against production traffic before it shipped.

6Mlines of code
12weeks, end to end
Jun 1live, 2026

01 · Executive framing

Local code vs whole systems.

Enterprise legacy systems do not live inside an isolated GitHub folder. They span distributed message buses, batch schedules, stored procedures and heterogeneous services written across decades. Autonomous coding agents attempt to solve software engineering by placing an LLM inside an iterative prompt-and-bash loop. That approach can draft single-repo pull requests, but it breaks at the enterprise boundary, where cross-system dependencies govern production stability.

AI coding agents
How AI coding agents sees your estateIllustration
Aedeon
How Aedeon sees itIllustration

02 · The three architectural pillars of Aedeon

Visibility, planning, verification.

System visibility

15entity kinds16relationship kinds

Single-repo agents inspect only the files mounted in their active workspace.

Aedeon constructs a living graph that maps services, databases, schema definitions, RPC contracts, message queues and batch workflows across your entire software estate.

Planning precision

Supervisorproprietary planning model

Single-repo agents rely on unconstrained trial-and-error prompting that burns tokens while wandering through unfamiliar architectures.

Aedeon uses Supervisor, a dedicated proprietary planning model trained specifically to produce deterministic, multi-step evolution roadmaps.

Verification standard

Realproduction traffic, replayed

Single-repo agents stop once local synthetic mock suites pass, whether or not those tests reflect production.

Aedeon captures and replays actual production traffic through the transformed components, proving they behave the same under true operational load.

03 · Side-by-side capability matrix

Eight capabilities, side by side.

Architectural capabilityAutonomous coding agentsAedeon platform
Operating scope

Single repository or local workspace

Distributed multi-repository and multi-database architectures

Knowledge representation

Temporary in-memory prompt context

Persistent Code Intelligence Graph (15 entity kinds, 16 relationship kinds)

Heterogeneous legacy support

Reads what is in the open repository; no view of the systems around it

Comprehensive: COBOL, PL/I, SAP ABAP, Oracle Forms, Java, .NET

Blast radius analysis

None; localized file search only

Semantic blast radius calculated across every consumer in the graph

Planning and reasoning

Prompt-driven trial-and-error agent loops

Dedicated proprietary Supervisor planning model

Verification standard

Synthetic unit tests and mocks

Dual-run production traffic replay against the legacy system

Commercial model

Variable usage metering and token burn

Evolution credits per change, with the estimated cost shown before you approve

IP and governance

Depends on the vendor’s hosting and data terms

Runs in your cloud; never trained on your code

04 · Real-world architecture scenario

An Oracle 12c monolith, run twice.

When migrating a core enterprise billing engine off an Oracle 12c monolith, autonomous agents break because they cannot inspect stored procedures or predict downstream locking behavior. Aedeon ingests schemas, procedures and batch workflows into the Code Intelligence Graph, generates a phased decomposition roadmap with Supervisor, and validates every transaction through live traffic replay.

  1. IngestSchemas, stored procedures and batch workflows go into the Code Intelligence Graph.
  2. PlanThe Supervisor generates a phased decomposition roadmap.
  3. ValidateEvery transaction is checked through live traffic replay before cutover.
0 / 100
Without the graph shipped · outage A naive AI agent
✓billing_schema.sqlL1-L340
✓billing_queries.tsL44-L212
✓orm.config.tsL18-L60
✓models/invoice.tsL1-L180
✓services/billing.tsL88-L410

Not seen

Rate-tier business ruleBusiness rule
Nightly reconciliation jobPipeline
Two compliance checksDB policy
Downstream BI feedLineage
11 integration testsTests

Each one is an outage, an audit finding, or a quarter of cleanup — discovered in production.

With Aedeon verified · shipped Graph · Supervisor · Evolve
billing sp_calc_rate_tier db_policies warehouse.bi oracle_tests nightly_recon

Evolve plan

✓Handle: Rate-tier business rulesp_calc_rate_tier.sql
✓Handle: Nightly reconciliation jobops/nightly_recon.py
✓Handle: Two compliance checksdb/policies/*.sql
✓Handle: Downstream BI feedwarehouse/dbt/models/billing.sql
✓Handle: 11 integration teststests/it/oracle_*.spec.ts
Evolve: verifying on real production traffic Nothing missed. Verified — before it shipped.

With Aedeon the same change runs against the graph. Graph had already mapped the stored-procedure rule, the reconciliation job, the database-layer checks and the cross-system lineage — because it reads all the code, not one repo. Supervisor planned all of it from one sentence of intent. Evolve performed the change and verified the new system against the old on production traffic.

05 · Frequently asked questions

Answers.

Why do autonomous AI coding agents fail on enterprise legacy systems?
Autonomous agents operate within a single repository boundary. Enterprise architectures are deeply coupled across legacy databases, stored procedures, messaging queues and sibling repositories. Without a living map of those dependencies, agents introduce breaking changes downstream.
How does the Aedeon Code Intelligence Graph differ from AST tools?
Standard AST tools analyze code syntax inside a single compiler boundary. Aedeon models 15 entity kinds and 16 relationship kinds across language boundaries, connecting COBOL batch jobs, Oracle stored procedures and Java microservices.
How does Aedeon verify changes when legacy test coverage is low?
Instead of relying on missing test suites, Aedeon mirrors live production traffic and replays it through the transformed components in parallel with the legacy system, proving the same behavior on real-world inputs without putting users at risk.
Does Aedeon train models on our proprietary source code?
No. Customer codebases, schema definitions and production traffic payloads are processed within customer-isolated instances and are never used to train shared models.
How is Aedeon priced compared to autonomous agent seat licenses?
Autonomous agents charge per user or per token, which makes costs hard to predict. Aedeon prices changes in evolution credits, and every change plan shows its estimated cost, based on the blast radius of the requested change, before you approve it.

06 · Next steps and platform access

Map your systems. Then decide.

Sign up on Aedeon to map your enterprise systems, calculate the true dependency blast radius, and run verified legacy modernizations, with every change proven against production traffic before cutover.

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