Deterministic step budget · 2 MB scored in ~3.4 ms · 947-byte edge bundle, no database · Blue/green rollback
See how it compares to ODMFor teams evaluating a move off IBM Operational Decision Manager. Below is the capability table, the measurements behind the rows that carry the most weight, the commercial comparison, and — stated rather than hidden — the places IBM ODM is genuinely ahead.
Live differentiators
Step budget, wasm/edge packaging, decision warehouse, and a free trial that is not empty — shipped capabilities, not a roadmap slide.
Deterministic step budget
Same input reaches the same verdict under load and on regulatory replay — bounded by steps, not a wall-clock timer.
LiveWasm & edge bundles
Verified wasm32 engine and hash-verified edge bundles — Lambda, Workers, Cloud Run, or no-database edge under your account.
LiveDecision warehouse
Post-hoc explanation, execution history, and KPI streams so operators prove what ran after the fact.
LiveFree trial, seeded
Signup creates a project, decision service, ruleset, published version and active dev deployment in one transaction — no empty shell.
LiveWhere IBM ODM still leads
Mature BAL for non-technical authors, DVS scenario ecosystem, installed-base connectors, and formal certifications. We follow SOC 2-aligned practices but hold no certification today — and we do not claim one-click automated ODM migration.
Competitive Battlecard
Structural differences against IBM Operational Decision Manager — numbers match the measured figures elsewhere on this site, and the places ODM still leads are stated on the comparison page below.
| Capability | IBM ODM | DecisionManager |
|---|---|---|
| Runtime Architecture | Java EE Decision Server on WebSphere Liberty or Tomcat, plus a repository database and the XU connector | Native Rust services (platform, manager, runtime, admin) over PostgreSQL — or a 947-byte edge bundle with no database |
| Decision Latency | Wall-clock timer (ruleset.decisionEngine.maxRunningTime); XOM binding cost grows with payload size | ~3.4 ms for a 2 MB request against 500 candidates (compiled multi-key index); deterministic step budget, not a timer |
| Deployment Model | Redeploy a RuleApp version from Decision Center to Decision Server to roll back | Blue/green slots per service with active-slot switch and rollback_to — no cache flush, no full redeploy |
| Developer Experience | Eclipse Rule Designer (release-pinned Eclipse + Java): mature BAL/BOM tooling and a step-through ruleflow debugger — the strongest day-to-day debug experience in this category | VS Code extension (.vsix, not Marketplace yet) + browser Manager/Server consoles: vocabulary-driven LSP against the live server, real Git export, governed deploy. No step-through debugger yet — the decision trace is post-hoc, not mid-execution |
| Licensing Model | Per-core / per-server entitlements; authoring, runtime and consoles licensed separately | One commercial relationship: authoring, runtime and all three consoles included (quote-based plans) |
| Governance & Audit | Decision Center lifecycle with repository-backed version identifiers | Draft → review → approved → published with separation of duties and a content-hash provenance trail |
Self-serve trial with a seeded workspace — or book a demo on your underwriting, claims, or eligibility policy. Both paths stay open on every major page.
No credit card · Trial does not auto-convert · Export anytime
The migration engine maps BRL, ruleflows, decision tables and BOM verbalizations; every artifact still needs human review before publish. Run a free assessment on your export — nothing is uploaded.
vs. IBM ODM
A rules platform is bought against IBM Operational Decision Manager, so compare it against ODM properly. Below is what is architecturally different, followed by the four places ODM is genuinely ahead. If a vendor's comparison page has no second list, it is a brochure.
Every row states what each product actually does, not a checkmark. Sourced from the vendor's own documentation on the ODM side.
Every row states what each product actually does, not a checkmark. Sourced from the vendor's own documentation on the ODM side.
| Capability | DecisionManager | IBM ODM |
|---|---|---|
| Bound on a runaway decision | Deterministic step budget — the same input always reaches the same verdict, including the same refusal | ruleset.decisionEngine.maxRunningTime — a wall-clock timer, because a rule action is arbitrary Java through the XOM |
| Cost of a decision, reported | engine.steps on every execute response; live saturation on GET /api/health/engine | Execution time in the Decision Warehouse; no deterministic per-decision cost unit |
| Large payloads under load | A 2 MB request matched against 500 candidates returns in ~3.4 ms — the payload is parsed once and evaluated through a compiled multi-key index, not re-walked per rule | Request data is bound into the XOM as Java objects before the network runs; IBM's own tuning guidance treats payload size and XOM binding as a primary cost |
| Smallest deployable unit | 947-byte hash-verified bundle plus a 1.5 MB WebAssembly or native engine — no database, no pool, no outbound network | Decision Server Runtime: a Java EE application on WebSphere Liberty or Tomcat, plus a repository database and the XU connector |
| Serverless and edge targets | Lambda, Cloudflare Workers, Cloud Run and in-process embedding via a verified wasm32 build | None — Decision Server cannot be deployed as a function |
| Cold start to first decision | ~20 ms measured on the edge binary, debug build, with Postgres stopped | JVM start plus first-invocation ruleset parsing, which the vendor's own documentation flags as processor- and memory-intensive |
| Rolling a bad decision back | Two slots per service, each with its own head. Switching the active slot moves live traffic, and rollback_to returns it — no redeploy, no cache flush, and the response reports which slot answered | Revert by redeploying the previous RuleApp version from Decision Center to the Decision Server |
| Blast radius of one heavy decision | Isolated execution pool, contained panics, retryable SERVICE_BUSY under saturation — health checks stay answerable | Executes inside the XU in the application server's thread pool |
| Proving which logic ran | sha256 content hash over the canonical definition, carried in the bundle and returned on every edge decision | RuleApp and ruleset version identifiers from the repository |
| AI-assisted authoring | Anthropic, OpenAI, Gemini, Bedrock-compatible and self-hosted, with ordered provider fallback and a content-hash cache; output is always reviewed, never auto-persisted | Separate IBM offering; not part of the ODM classic authoring path |
| Console languages | English, French, Spanish and Arabic with full right-to-left layout in all three consoles | Broad language coverage; right-to-left support is not part of the console contract |
| How you are charged | One subscription. Authoring, runtime and all three consoles included | Per-core and per-server entitlements, with authoring, runtime and consoles licensed separately |
Self-serve trial with a seeded workspace — or book a demo on your underwriting, claims, or eligibility policy. Both paths stay open on every major page.
No credit card · Trial does not auto-convert · Export anytime
Run free migration assessment — Point at an IBM ODM export in the browser for an inventory of action rules, decision tables and ruleflows. Nothing is uploaded.
Figures are taken from the release build of the engine and the edge binary on commodity hardware, not from a tuned lab. Cold start is measured on a debug build, so a release build is the floor rather than the ceiling. We publish the conditions because a number without its method is a claim, not evidence.
licenses + infrastructure + consultants
all three consoles included
path to production vs classic ODM estates*
*Architectural comparison only. Commercial terms are quote-based; start a free trial or talk to sales. Actual outcomes vary by vendor and scope.
Self-serve trial with a seeded workspace — or book a demo on your underwriting, claims, or eligibility policy. Both paths stay open on every major page.
No credit card · Trial does not auto-convert · Export anytime
ODM purpose parityLivePartialResidual
IBM ODM's BRMS purpose is to separate decision logic from application code so business-owned Decision Services stay governable, testable, and deployable. Below is how DecisionManager maps that purpose today — with product-truth badges, not marketing greenwash.
Live means real Manager / Decision Server APIs. Partial means shipped core with documented depth limits. Residual means classic ODM products we name for migration planning — never a fake Live toggle for RetePlus, Java XOM JAR, or SOAP HTDS.
These are the ODM-class purpose goals DecisionManager ships today on the same paths production execute uses.
Versioned Decision Services and HTDS-style HTTP apps keep rule logic out of application code — the core ODM BRMS purpose.
JSON vocabulary is the Live object model: classes, domains, categories, and vocabularyRef binding for authoring and execute.
Action rules, decision tables, and hit policies (FIRST, PRIORITY, RULE_ORDER, ANY, ALL, COLLECT, UNIQUE) on the Live engine path.
Verbalization and phrase-oriented authoring so business authors can read and review logic without inventing a second object model.
Entry guards, tasks, and gateways execute on the Live path. Fine-grained fork/join depth is Partial — see below.
Live: kind decisionTree, ordered TreeEditor outline, path count, POST /trees/flatten + /trees/analyze, one-click convert to a FIRST decision table. Runtime executes only the flattened FIRST table — never a freeform tree engine.
Releases, change activities, approvals / SoD, and audit trails map Owner / Author / Approver / Tester ranks to Live governance.
Expected-vs-actual suites, scenario templates, promote paths, and CLI copy for regression before deploy.
Post-hoc fire order and matched[] warehouse traces for regulators and operators — Live explain path, not mid-execution Rete Agenda.
Deployment configurations, environments, hot-deploy, and canary / blue-green traffic without rewriting callers.
Apps execute, OpenAPI, and the API workbench on the same Decision Server path as production traffic.
Desktop extension and Manager consoles for authoring, deploy, and trace — Live alternative to Eclipse Rule Designer residual.
Browser-side ODM export assessment and Manager import gap report — AI-assisted translation with human review, never one-click silent rewrite.
Shipped capabilities with honest ODM-class gaps so migration teams do not over-assume full classic surface area.
Multi-stage ruleflow is Live; fork/join, subflow/loop, exitWhen, and onError depth remain Partial vs full ODM task-control product.
Live batch dry-run and suites adjacent; full ODM-class simulation KPI workspace stays Partial / residual-adjacent — not marketed as complete DVS clone.
Signed .dmb bundles and export paths are Live; classic Ant ruleapp / full managed packaging product depth is Partial.
When manager POST /trees/flatten is offline, the editor uses a labeled browser flatten mirror (Partial). Engine analysis is absent until the route answers. Live engine flatten stays Live; freeform ODM canvas stays Residual.
Hot / canary / blue-green are Live. Zero-drop under every failure mode and closed-loop auto-rollback remain Partial / Residual.
Classic ODM products DecisionManager does not clone as Live. Named so architects can plan ports without hype.
Never map RetePlus, Working Memory, Agenda re-activation, Sequential/Fastpath multi-algo, Java XOM JAR, JCA XU, or SOAP HTDS to Live. DecisionManager is a single-pass decision runtime.
No RetePlus network, no Working Memory assert/retract product, no Agenda re-activation loop. Live fire order is post-hoc matched[] — not mid-execution Rete.
No selectable multi-algo XU mode product. One compile-once single-pass engine with equality indexes and residual_rules metering.
No Java classpath XOM or B2X product. Live object model is JSON vocabulary / BOM — residual honesty for JAR-based estates.
No JCA connection-pool XU product UI. Live adjacent: admission, SERVICE_BUSY shed, step budget, deploy cache.
Transparent Decision Service SOAP/WSDL remains Residual. Live path is REST JSON apps execute + OpenAPI.
No Eclipse OSGi Rule Designer clone. Live desktop is VS Code extension / Studio with residual honesty panels where ODM still leads.
No invent freeform node-link tree diagram, reverse table→tree synthesizer, or separate tree evaluator. Live surface is the ordered branch outline plus engine flatten-to-FIRST.
Self-serve trial seeds a workspace with Manager, Server, and sample Decision Services. Prefer a seller who maps your ODM residual (Rete, XOM JAR, SOAP) honestly? Book an executive demo.
No credit card · Trial does not auto-convert · Residual Rete / XOM / SOAP never claimed as Live
The comparison above is the argument. These are the pages that answer the question that follows it.
Point at your IBM ODM export and get an inventory of what is in it. The archive is parsed in your browser and never uploaded.
Create a workspace with all three consoles. No credit card. Use it to replay decisions next to your ODM baseline.
Authoring, governance, deployment and execution of decision logic — what you would be moving onto.
Self-serve trial with a seeded workspace — or book a demo on your underwriting, claims, or eligibility policy. Both paths stay open on every major page.
No credit card · Trial does not auto-convert · Export anytime
The docs and API reference cover the trial, ODM migration and execution APIs without an account.