Independent register of AI agents & harnesses · no sponsored placementsEdition 2026-09 · 107 entries · evidence to 26 Sept 2026
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The Register / Multi-agent frameworks / Agno

Register entry · Multi-agent frameworks · updated 26 Sept 2026

Agno

Agno Inc. (agno-agi) · Multi-agent frameworks

Agno (formerly Phidata) is an Apache-2.0 Python SDK with three primitives: agents, teams and workflows, plus 100+ toolkits. AgentOS serves agents as a REST API and MCP server backed by the user's own database, and a hosted control plane (free locally, paid for live deployments) provides chat, traces, approvals and scheduling. Version 3.0 shipped on 24 August 2026.

What reviewers and users praise

  • Frequently described by users as simpler and easier to learn than LangGraph (r/LangChain comments, BenchClaw review)
  • Users praise its documentation and customisability (r/LangChain comments)
  • Very active release cadence: 44 GitHub releases in the 90 days to 2026-09-26

What they criticise

  • Independent benchmark measured 59% higher median wall time than LangGraph on the same tool-calling task (BenchClaw, Aug 2026)
  • Some developers find it heavy or immature for complex cases (r/LangChain comments)
  • Three high/critical CVEs in 24 months (session-state leak, eval injection, SQL injection)
  • An HN user reported inconsistent APIs and outdated function signatures from the docs chatbot

Rating · evidence to 26 Sept 2026

74
  • Provisional
  • Trust B
  • Open source
Adoption83
Experts—
Crowd58
Experts vs the crowdneeds both scores
Experts—
Crowd58
PriceFree, paid from $150
Use it viaAPI, MCP server, Web app, Chat apps
Runs onmacos, linux, windows
LicenceApache-2.0
UpdatedEvidence collected 26 Sept 2026

How the rating was worked out

Weights for Multi-agent frameworks: adoption 45%, experts 30%, crowd 25%. Pillars without enough evidence are left out and the others re-weighted. The method.

Adoption & momentumweight 45%83GitHub stars 42k → 80 · PyPI monthly downloads 1.7M → 70 · 44 releases in 90 days → 100
reach × 0.7 + momentum × 0.3
Expertsindependent reviews · weight 30%—Only 1 independent review (3 needed)
Crowdcommunity sample · weight 25%5812 dated posts from reddit, hackernews: 7 positive · 1 mixed · 4 negative
(positive + ½ mixed) ÷ n, averaged toward 50 for small samples
Rating74Provisional: low confidence (2 of 3 pillars, 12 community posts).

Editorial adjustment. Incident-history grade reviewed under methodology revision 2 (see the trust section).

Trust & safety

Seven dimensions graded A–D from documented facts. Overall: B.

C

Permission model

Tools run automatically by default; human approval (pause runs for user confirmation, block tools needing admin approval) is available but configured per tool. No default sandbox for tool execution. source

n/e

Data access scope

Access depends on the toolkits the developer attaches; AgentOS documents JWT-based RBAC and multi-tenant isolation. Not enough documented detail on tool-level scoping to grade. source

A

Data storage

Self-hosted: README says sessions, memory, knowledge and traces are stored in your own database (Postgres via AgentOS). A per-run telemetry event is sent to Agno by default; README says prompts, messages and outputs are never sent; disable with AGNO_TELEMETRY=false. source

n/e

Data retention & training

Model-agnostic; retention and training policies follow whichever model provider the developer uses. Agno telemetry excludes prompts and outputs per README. source

D

Incident history (24 months)

Three high/critical advisories in 24 months (repeated). Two list patched versions; the SQL injection advisory lists no patched version in the GitHub Advisory Database as of 2026-09-26. Kept at D under revision 2: the SQL-injection advisory lists no patched version in the GitHub Advisory Database as of 26 Sep 2026 (unresolved). source

n/e

Compliance

No SOC 2 / ISO 27001 attestation found in this pass; Enterprise plan lists security reviews. Not established. source

A

Transparency

Apache-2.0 open source with public GitHub releases (44 in the last 90 days). source

The experts

1 named independent reviews found; dated reviews from the last 12 months are scored.

  • mixed
    Agno’s median wall time (4.27 s) is 59% slower than LangGraph (2.68 s) and 18% slower than Pydantic AI (3.62 s).Jordan Reeves (BenchClaw) · 31 Aug 2026 · benchclaw.io

The crowd

12 coded posts from reddit, hackernews.

7 positive1 mixed4 negative
  • positive
    Agno runtime is faster in prod, comparison to LangGraph, also agno is quite easy to learn. LangGraph has a steep learning curve.r/LangChain · 9 Sept 2026 · reddit.com
  • positive
    I use Agno, allows me much more customization tbh. And it’s docs were way better at timer/LangChain · 24 Jul 2026 · reddit.com
  • positive
    You can try agno. The documentation is pretty good and it's easier to integrate compare to LangChain/Langgraph.r/LangChain · 11 Jun 2026 · reddit.com
  • negative
    Also tried Agno but found it a little heavy. Die a quick test with pydantic ai and it was very solid.r/LangChain · 10 Jun 2026 · reddit.com
  • positive
    Agno is the most underrated framework everr/LangChain · 10 Jun 2026 · reddit.com
  • negative
    Agno, Smolagents, etc. : niche, fine for narrow cases, not enough maturity to bet a Friday recommendation.r/LangChain · 28 Apr 2026 · reddit.com
  • positive
    If you build simple agent, check Agno or Pydantic-AIr/LangChain · 21 Mar 2026 · reddit.com
  • mixed
    Yeah they are awesome very active. Give it a run. The only downside is now dynamic configuration, though that is in the roadmap.r/LangChain · 4 Jan 2026 · reddit.com

Pricing

As published, checked 26 Sept 2026.

PlanPriceNotes
FreeFreeOpen-source SDK and AgentOS, local deployment, full control plane against a local AgentOS.
Pro$150 / monthlyOne live AgentOS connection, three seats; extra seats $30, connections $95, SAML SSO $300.
EnterpriseCustomAudit logs, custom RBAC, security reviews, dedicated support.

Recent changes

Sources

Every figure above traces to one of these, observed up to 26 Sept 2026.

  1. GitHub API: stars 42,344, license Apache-2.0
  2. r/agno (vendor post): August roundup — Agno 3.0, durable execution
  3. Arctic Shift Reddit archive API used to retrieve Reddit comment text and dates
  4. HN Algolia search API used for HN comments