Marvin vs txtai
Marvin and txtai are both agent frameworks for Python. Marvin is published by Prefect and txtai by NeuML. On GitHub, txtai has 13,032 stars and Marvin has 6,207. Marvin was last active in Sep 2026, txtai in Oct 2026. The table lines up where they differ (publisher, GitHub stars, weekly downloads and freshness grade) and has the install commands for both. Everything here comes from the listings' public sources and is refreshed daily. Marvin describes itself as: Python framework for structured LLM outputs and agentic workflows built from tasks, agents and threads. txtai: All-in-one Python AI framework for embeddings-based semantic search, LLM pipelines, workflows and agents. Licenses: Marvin Apache-2.0, txtai Apache-2.0.
Updated Oct 26, 2026 · Built from catalog data; how we rank and grade
Marvin
Prefect
Python framework for structured LLM outputs and agentic workflows built from tasks, agents and threads.
txtai
NeuML
All-in-one Python AI framework for embeddings-based semantic search, LLM pipelines, workflows and agents.
Who should pick which
- Pick txtai if you want MCP support built in.
- txtai has the larger community: 13,032 GitHub stars against 6,207.
- txtai is more recently active (freshness A against B).
From listing data only. We don't pick a winner on security beyond the grades; read how grades work.
Side by side
| Fact | Marvin | txtai |
|---|---|---|
| Type | Harness | Harness |
| Publisher | Prefect | NeuML |
| License | Apache-2.0 | Apache-2.0 |
| Pricing | Not stated | Not stated |
| Runs | Not stated | Not stated |
| Auth | Not stated | Not stated |
| Hosts supported | Not stated | Not stated |
| Tools | Not listed yet | Not listed yet |
| Security grade | –Security: not graded yet | –Security: not graded yet |
| Freshness grade | BFreshness: B | AFreshness: A |
| GitHub stars | 6,207 | 13,032 |
| Weekly downloads | 61,775 | 3,340 |
| Last release | Mar 4, 2026 | Oct 6, 2026 |
| Last activity | Sep 23, 2026 | Oct 22, 2026 |
Facts from each listing's public sources, checked daily. Tool lists arrive with tool scans.
Install
Marvin
pip install marvin
txtai
pip install txtai
Also consider
- 0.729score
Agent Squad
2FastLabs
Open-source framework that routes each user query to one of several AI agents, with Python, TypeScript and Swift runtimes.
HarnessAFreshness: A★ 7.8K↓ 1.5K/wk - 0.715score
Pipecat
Daily
Open-source Python framework for real-time voice and multimodal agents, built from composable pipelines with handoffs between specialist agents.
HarnessAFreshness: A★ 16.8K↓ 373.6K/wk - 0.667score
OGX (formerly Llama Stack)
OGX
OpenAI-compatible agentic API server for inference, vector stores, files and skills, on any model or infrastructure.
HarnessAFreshness: A★ 8.4K↓ 14.2K/wk
Questions
- Is Marvin or txtai more popular?
- txtai has more GitHub stars (13,032 against 6,207). Stars measure attention, not quality, so check freshness and docs too.
- Are Marvin and txtai open source?
- Yes: Marvin is Apache-2.0 and txtai is Apache-2.0.
Related
Cite this page
Marvin vs txtai. Agent Mart. https://agentmart.dev/compare/marvin-vs-txtai (last updated 2026-10-26)