Open-source workflow automation with first-class AI agent nodes — self-host or use cloud.
Tool useMemoryMulti-agent
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Fixie vs Sardinewhich AI ops agent should you pick in 2026?
Build durable agents that act on your internal data — open framework.
Tool useRAGMemoryMulti-agent
Fixie vs Sardine — specs
| Spec | Fixie | Sardine |
|---|---|---|
| Agent Rank | 73 / 100 (A) | 67 / 100 (B) |
| Autonomy | Semi-autonomous | Autonomous |
| Pricing | Free · OSS | Subscription |
| Open source | Yes | No |
| Capabilities | Tool use, RAG, Memory, Multi-agent | Tool use, Memory, RAG, Multi-agent |
| Integrations | 3 apps | 4 apps |
| Verified | — | — |
| Released | Feb 2025 | Jan 2025 |
Agent Rank breakdown
Fixie
Agent Rank
73/ 100
- Autonomy
- 8
- Capabilities
- 8
- Integrations
- 6
- Pricing
- 10
- Polish
- 6
- Verifiability
- 6
Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?
Sardine
Agent Rank
67/ 100
- Autonomy
- 9
- Capabilities
- 8
- Integrations
- 6
- Pricing
- 4
- Polish
- 7
- Verifiability
- 6
Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?
Pros & cons
Fixie
Pros
- +Real multi-agent primitives — planner + workers + reviewer out of the box
- +Strong for internal-tool agents over your own data
- +Permissive license; auditable end-to-end
Cons
- −Framework, not a finished product — engineering effort to ship anything
- −Smaller community than LangChain / LlamaIndex
- −Cloud pricing not yet published — usage-based and opaque
Sardine
Pros
- +$145M total (a16z) — top of the agentic financial-crime category
- +Consolidates 11 fraud/KYC/AML vendors into one platform
- +Auto-reviews 40% of monthly applications — major cost reduction
Cons
- −Enterprise focus — not priced for SMB fintechs
- −Regulatory complexity requires legal review per deployment
- −Best ROI requires existing high-volume transaction flow
Pricing
Fixie
Open source
Free
Builders
- +Apache-2.0 framework
- +Self-host
- +Bring your own models + data
Cloud
Custom
Teams
- +Hosted runtime
- +Multi-agent orchestration
- +Observability
Sardine
Growth
Custom
Mid-market fintechs
- +Fraud + AML core agents
- +4 integrations
- +Standard SLA
Recommended
Enterprise
Custom
Large banks + fintechs
- +Full agent suite
- +Unlimited integrations
- +Custom rules engine
Sovereign
Custom
Regulated
- +EU/US data residency
- +On-prem option
- +Dedicated CS
Which one should you pick?
Fixie
Pick Fixie if cost is the main constraint or if auditability or self-hosting matters.
Try Fixie →Sardine
Pick Sardine if you want the highest autonomy and the verification loop is in place.
Try Sardine →Affiliate links. We may earn a commission at no extra cost to you.
Frequently asked
Should I pick Fixie or Sardine in 2026?+
Pick Fixie if cost is the main constraint or if auditability or self-hosting matters. Pick Sardine if you want the highest autonomy and the verification loop is in place. Most working teams running both can use Fixie for primary work and Sardine for the workflows where its specific strengths matter.
What's the price difference between Fixie and Sardine?+
Fixie starts at Free · OSS; Sardine starts at Subscription. Fixie is the cheaper entry option. For team deployments the TCO can differ — use the AI Agent Rank TCO calculator for your specific volume.
Which is more autonomous, Fixie or Sardine?+
Sardine is the more autonomous of the two (Autonomous vs Semi-autonomous). Higher autonomy ships throughput faster but requires verification loops in place — see our autonomous-vs-copilot framing for when each tier wins.
Readers comparing Fixie and Sardine also picked
Adjacent agents in the same category with overlapping capabilities — worth a side-by-side glance before you commit.
"Multiplayer AI" — shared, governed company-wide agents across your stack.
Tool useMemoryRAGMulti-agent
Demo · hover to playEnterprise "Agent OS" with trust, memory, and multi-agent coordination — built by ex-Atlassian CTO.
Tool useMemoryRAGMulti-agent
See more alternatives: alternatives to Fixie · alternatives to Sardine
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