| Dimension | Temporal | Akka |
|---|---|---|
| What it is | A durable-execution / workflow-orchestration engine | A full-stack agentic systems platform |
| Scope | Orchestration only; agents, memory, streaming, APIs, and governance are sourced and integrated by the customer | Orchestration, agents, memory, streaming, APIs, observability, and governance on one runtime |
| Availability SLA | 99.9% standard; 99.99% High Availability / multi-region | 99.9999% — entire platform, backed by indemnities |
| RTO / RPO | ~20-minute RTO; sub-1-minute RPO (HA namespaces) | Sub-1-minute RTO; zero-byte RPO |
| AI agents | SDK integration (e.g., OpenAI Agents SDK); not native | Native agents with tools, handoffs, guardrails, interaction logging |
| Memory | None native — bolt-on (~200ms) | Durable in-memory, 4ms reads / sub-10ms writes |
| Governance / EU AI Act | Infrastructure compliance only; no AI policy enforcement, explainability, or classification | Aspect-woven runtime enforcement + full pre-production governance |
| Programming model | Workflow code must be strictly deterministic | Natural Java/Scala; durability handled by the runtime |
| Cost model | Per-action billing ($50→$25 per million) + separate infra for everything else | Shared compute; up to 90% lower infrastructure for the same workload |
| Certifications | SOC 2 Type II, GDPR, HIPAA | 19 standards (SOC 2 II + public SOC 3, ISO 27001/42001, HIPAA, PCI DSS, GDPR, NIS2, DORA, EU AI Act, NIST AI RMF) |
Temporal solves durable execution of long-running workflows, and it solves it well. But an agentic AI system needs far more than orchestration, and Temporal leaves the rest to you — you select, wire, and operate the memory layer, the streaming tier, the API layer, the agent framework, and the governance stack around the orchestration core, and own every failure across those seams.
| Capability | Temporal | Akka |
|---|---|---|
| Workflow orchestration | Yes | Yes |
| Native AI agents (tools, handoffs, streaming) | SDK integration only | Built in |
| Durable memory | None — bolt-on (~200ms) | Built in, 4ms / sub-10ms |
| Real-time streaming | None | Built in, backpressured, petabyte-scale |
| HTTP / gRPC API layer | None | Built in |
| Governance / policy enforcement | None | Inline, runtime-embedded |
| Pre-production governance | None | Classification, sign-offs, sealed posture |
Temporal Cloud has materially strengthened its HA/DR: High Availability and multi-region namespaces publish a 99.99% availability SLA (99.9% standard) with sub-1-minute RPO and ~20-minute RTO via automatic failover. That is real. Two gaps remain, and both matter for mission-critical agentic systems.
| Metric | Temporal | Akka |
|---|---|---|
| Availability SLA | 99.99% (HA / multi-region) | 99.9999% |
| Allowed downtime / year | ~52 minutes | ~31 seconds |
| RTO | ~20 minutes (auto failover) | Sub-1 minute |
| RPO | Sub-1 minute | Zero byte |
| SLA scope | The orchestration layer | The entire platform |
Temporal's SLA covers the orchestration layer. The memory, streaming, API, and governance services a customer bolts on operate under their own SLAs — or none.
Temporal requires all workflow code to be strictly deterministic — no direct I/O, no unguarded randomness, no non-deterministic library calls — because recovery replays history. That constraint is at odds with agentic AI:
Akka provides durability and fault tolerance without imposing a determinism constraint on application code: state is event-sourced and the runtime handles recovery, so teams write natural business logic.
AI systems built with Akka are up to 90% cheaper to operate than the equivalent assembled stack. Temporal bills per action — every step, signal, query, and timer is metered at $50 per million (stepping to $25 at high volume) — and that meter covers only orchestration; memory, streaming, APIs, observability, and governance are billed separately.
Akka runs all of it on one shared-compute runtime. The efficiency comes from actor concurrency (~10T tokens/core/year vs ~2T; ~80% less compute than Python frameworks; Manulife: up to 300% more concurrency, 30–50% faster processing after porting from Python), shared compute, and micro-checkpointing that minimizes retries. The spend is predictable — a fixed annual fee, not per-action metering that moves with load.
Temporal holds SOC 2 Type II, GDPR, and HIPAA — infrastructure-security compliance. It publishes no AI-governance capability: no real-time policy enforcement, no decision explainability, no human pause/override of a running process, no immutable interaction ledger, no pre-deployment classification, no sealed audit artifact.
| Violation | Maximum Fine |
|---|---|
| Prohibited AI practices (Art. 5) | EUR 35M or 7% global turnover |
| High-risk obligations (Art. 9-15) | EUR 15M or 3% global turnover |
High-risk AI carries a 10-year logging-retention obligation (Art. 72).
At the runtime: inline guardrails, policies, LLMs-as-a-judge, and sanitizers; hash-chained immutable evidence; HITL/HOTL control; classification against 189 regulations and 962 controls before a system ships; multi-persona sign-offs; a sealed Governance Posture Package; and Akka Verify proving conformance from the running system. Governance Temporal would have to bolt on, Akka enforces inline.
Building on Temporal means engineers writing deterministic workflow code; there is no path for a product manager, domain expert, or risk officer to contribute, and no built-in governance lifecycle. Akka runs two independent lifecycles on one platform via Akka Specify:
The build lifecycle and the governance lifecycle are versioned and tested independently, by different audiences — an audience and a workflow Temporal has no equivalent for.
Temporal has no streaming engine; real-time pipelines are provisioned separately. Akka's streaming is built into the runtime — continuous, backpressured, petabyte-scale, in-memory, with no external broker — powering both agent feedback loops and high-throughput data processing (the engine behind Tubi's real-time hyper-personalization at 5 billion tokens per second).
| Buyer concern | Temporal | Akka |
|---|---|---|
| Certifications & audits | SOC 2 Type II, GDPR, HIPAA | 19 standards — SOC 2 II + public SOC 3, ISO 27001/42001, HIPAA, PCI DSS, GDPR, NIS2, DORA, EU AI Act, NIST AI RMF — plus annual pen tests, SBOMs, 40+ policies (trust.akka.io) |
| Scope of accountability | The orchestration layer; you integrate and operate the rest | One platform, one SLA, 24/7 SRE — Akka owns the running system |
| Risk transfer | Standard cloud terms | Availability and data-integrity guarantees backed by contractual indemnities |
| Track record & funding model | Venture-funded: $300M Series D at a $5B valuation (2026); scaling on investor capital toward profitability | Profitable and self-funding; 18 years and 100,000+ deployments (52 banks); Dell Technologies Capital is largest shareholder, a customer, and an AI partner |
| Budget predictability | Per-action metering that scales with load | Fixed annual fee finance can forecast |
Both are well-capitalized — but Akka funds its roadmap and support from profit, not the next round, so the platform you standardize on does not depend on a venture timeline. The decision is scope and accountability: Temporal gives you a best-in-class orchestration layer to build a platform around; Akka gives you the platform.
Temporal Cloud SLA: docs.temporal.io/cloud/sla — 99.9% standard; 99.99% HA / multi-region
Temporal HA/DR: docs.temporal.io/cloud/high-availability, /rpo-rto — sub-1-min RPO, ~20-min RTO, automatic failover
Temporal Cloud pricing: docs.temporal.io/cloud/pricing — $50→$25 per million actions ($0.00005/action)
Temporal Series D: $300M at $5B valuation, Feb 2026 (businesswire / geekwire); 380% YoY revenue growth
Temporal security: temporal.io/security — SOC 2 Type II, GDPR, HIPAA
Akka trust center: trust.akka.io — 19 compliance standards; SOC 2 II + public SOC 3; annual pen tests, SBOMs, 40+ policies
Akka performance: akka.io/blog/go-slow-to-go-fast — Manulife up to 300% more concurrency, 30–50% faster; ~10T vs ~2T tokens/core; ~80% less compute than Python
Akka platform: 99.9999% availability, active-active HA/DR, sub-1 min RTO, zero byte RPO (contractual indemnities); 189 regulations / 962 controls; 100,000+ deployments / 18 years; profitable; Dell Technologies Capital
