Fixie vs Reply.io: 2026 comparison
Build durable agents that act on your internal data — open framework.
Fixie vs Reply.io — specs
| Spec | Fixie | Reply.io |
|---|---|---|
| Agent Rank | 72 / 100 (A) | 65 / 100 (B) |
| Autonomy | Semi-autonomous | Semi-autonomous |
| Pricing | Free · OSS | Freemium · from $59 |
| Open source | Yes | No |
| Capabilities | Tool use, RAG, Memory, Multi-agent | Tool use, Memory, Voice |
| Integrations | 3 apps | 6 apps |
| Verified | — | Verified |
| Released | Feb 2025 | Sep 2025 |
Agent Rank breakdown
- Autonomy fit
- 8
- Capabilities
- 8
- Integrations
- 6
- Pricing value
- 10
- Polish & maturity
- 5
- Verifiability
- 6
Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?
- Autonomy fit
- 8
- Capabilities
- 6
- Integrations
- 8
- Pricing value
- 6
- Polish & maturity
- 4
- Verifiability
- 7
Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?
Pros & cons
- +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
- −Framework, not a finished product — engineering effort to ship anything
- −Smaller community than LangChain / LlamaIndex
- −Cloud pricing not yet published — usage-based and opaque
Pricing
- +Apache-2.0 framework
- +Self-host
- +Bring your own models + data
- +Hosted runtime
- +Multi-agent orchestration
- +Observability
Which one should you pick?
Pick Fixie if cost is the main constraint or if auditability or self-hosting matters.
Try Fixie →Pick Reply.io if your stack spans many tools and integration depth is the constraint or if you want a vendor we've verified for accessibility and pricing accuracy.
Try Reply.io →Affiliate links. We may earn a commission at no extra cost to you.
Frequently asked
Should I pick Fixie or Reply.io in 2026?+
Pick Fixie if cost is the main constraint or if auditability or self-hosting matters. Pick Reply.io if your stack spans many tools and integration depth is the constraint 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 Reply.io for the workflows where its specific strengths matter.
What's the price difference between Fixie and Reply.io?+
Fixie starts at Free · OSS; Reply.io starts at Freemium · from $59. 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 Reply.io?+
Both Fixie and Reply.io are Semi-autonomous agents — neither has a meaningful autonomy advantage over the other. The decision should hinge on capabilities and pricing instead.