Open-source LLM app & AI-agent builder — visual workflows, RAG pipelines and tool-calling agents.
Tool useMemoryMulti-agentRAG
Fixie vs OpenAI Swarmwhich AI ops agent should you pick in 2026?
Build durable agents that act on your internal data — open framework.
Tool useRAGMemoryMulti-agent
OpenAI's lightweight multi-agent reference implementation — handoff + routine patterns, educational.
Multi-agentTool use
Fixie vs OpenAI Swarm — specs
| Spec | Fixie | OpenAI Swarm |
|---|---|---|
| Agent Rank | 73 / 100 (A) | 65 / 100 (B) |
| Autonomy | Semi-autonomous | Autonomous |
| Pricing | Free · OSS | Free · OSS |
| Open source | Yes | Yes |
| Capabilities | Tool use, RAG, Memory, Multi-agent | Multi-agent, Tool use |
| Integrations | 3 apps | 2 apps |
| Verified | — | Verified |
| Released | Feb 2025 | Oct 2024 |
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?
OpenAI Swarm
Agent Rank
65/ 100
- Autonomy
- 9
- Capabilities
- 4
- Integrations
- 2
- Pricing
- 10
- Polish
- 7
- Verifiability
- 7
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
OpenAI Swarm
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
OpenAI Swarm
Which one should you pick?
OpenAI Swarm
Pick OpenAI Swarm if you want the highest autonomy and the verification loop is in place or if you want a vendor we've verified for accessibility and pricing accuracy.
Try OpenAI Swarm →Affiliate links. We may earn a commission at no extra cost to you.
Frequently asked
Should I pick Fixie or OpenAI Swarm in 2026?+
Pick Fixie if its specific capabilities (Tool use, RAG) match what you need. Pick OpenAI Swarm if you want the highest autonomy and the verification loop is in place or if you want a vendor we've verified for accessibility and pricing accuracy. Most working teams running both can use Fixie for primary work and OpenAI Swarm for the workflows where its specific strengths matter.
What's the price difference between Fixie and OpenAI Swarm?+
Both Fixie and OpenAI Swarm start in the same pricing range (Free · OSS vs Free · OSS). Total cost of ownership depends on your team size and volume — see the TCO calculator for your specific math.
Which is more autonomous, Fixie or OpenAI Swarm?+
OpenAI Swarm 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.
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Adjacent agents in the same category with overlapping capabilities — worth a side-by-side glance before you commit.
Open-source workflow automation with first-class AI agent nodes — self-host or use cloud.
Tool useMemoryMulti-agentDemo · hover to play"Multiplayer AI" — shared, governed company-wide agents across your stack.
Tool useMemoryRAGMulti-agent
See more alternatives: alternatives to Fixie · alternatives to OpenAI Swarm
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