head to head · open source
Logfire vs trpc-agent-go
Logfire has 4,480 GitHub stars, 289 forks, 191 open issues and last shipped today. trpc-agent-go has 1,808 stars, 311 forks, 130 open issues and last shipped today. Logfire leads on adoption by 148% (4,480 vs 1,808 stars). Logfire is written in Python under MIT; trpc-agent-go is written in Go under Apache-2.0. Logfire has attracted 6% as many forks as stars, trpc-agent-go 17%. Logfire was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ai), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Logfire | trpc-agent-go | |
|---|---|---|
| GitHub stars | ★ 4.5K | ★ 1.8K |
| License | MIT | Apache-2.0 |
| Written in | Python | Go |
| Last push | 2026-09-20 | 2026-09-20 |
| Forks | ⑂ 289 | ⑂ 311 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Logfire if
- You weight community size — 4.5K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick trpc-agent-go if
- You want the trpc-agent-go feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and trpc-agent-go fits your workflow better
About Logfire
Pydantic Logfire is an observability platform for Python applications, with a focus on AI systems, LLM apps, and agents. The project lives in the Python and OpenTelemetry ecosystem. The repository contains the MIT licensed Python SDK and documentation, while the server application for recording and displaying data is closed source.
read the full Logfire overview →
About trpc-agent-go
tRPC Agent Go is an Apache 2.0 Go framework for building production agent systems, aimed at Go service developers and platform teams who want LLM agents, graph workflows, tools, memory, and observability to live inside existing Go infrastructure instead of a separate Python stack.
read the full trpc-agent-go overview →
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Frequently asked questions
Is Logfire or trpc-agent-go more popular?
Logfire has 4,480 GitHub stars and trpc-agent-go has 1,808. Logfire has the larger community by that measure.
Are Logfire and trpc-agent-go free?
Both are open source. Logfire is licensed under MIT and trpc-agent-go under Apache-2.0. Neither carries a licence fee.
What is the difference between Logfire and trpc-agent-go?
Logfire is written in Python and trpc-agent-go in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Logfire or trpc-agent-go?
Choose Logfire if you want the larger community (4,480 stars) or its MIT licence terms. Choose trpc-agent-go if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.