Hatchet
Hatchet takes durable tasks serverless, with handlers for Cloudflare Workers, Vercel and Node.
Comparison · Infra & APIs
SigNoz vs Thanos
A side-by-side editorial comparison of SigNoz and Thanos — release velocity, themes, recent moves, and the top alternatives to consider.
SigNoz vs Thanos: at a glance
| Feature | SigNoz | Thanos |
|---|---|---|
| Sector | Infra & APIs | Infra & APIs |
| Velocity score | 5.0 | 0.0 |
| Sparks · 30d | 0 | 0 |
| Top themes | observability, llm-observability, opentelemetry, alerting | prometheus-storage, multi-tenancy, receive-component, query-fanout |
| Last editorial update | 1d ago | 2mo ago |
| Website | — | Visit → |
What is SigNoz?
SigNoz makes LLM traces readable with a conversation-style Thread view.
SigNoz now renders AI traces as a conversation: each LLM call's input and output messages, reasoning, tool calls and results laid out in sequence, instead of raw JSON in span details. It reads OTel gen_ai attributes plus formats from OpenAI, Anthropic, Gemini, LangChain, Vercel AI SDK, LiteLLM, OpenInference and others. The v1 alert rule API is still set for removal on November 11.
What is Thanos?
Thanos is rebuilding Receive around multi-tenancy, and shipping it through a stuttering RC train.
Thanos is working through the 0.42.0 release candidates, where the headline work is on Receive: tenant lifecycle handling, per-endpoint configuration, and fanout information surfaced in Thanos Query. The line also adopted Go's *os.Root API, which rc.2 exists mainly to clean up after. The release pipeline itself has been unreliable — rc.0 was skipped outright because base image SHA updates broke it, so rc.1 and rc.2 carry identical feature notes.
SigNoz vs Thanos: editorial side-by-side
SigNoz
5.0INFRA · APIS
SigNoz makes LLM traces readable with a conversation-style Thread view.
◆ Current state
SigNoz now renders AI traces as a conversation: each LLM call's input and output messages, reasoning, tool calls and results laid out in sequence, instead of raw JSON in span details. It reads OTel gen_ai attributes plus formats from OpenAI, Anthropic, Gemini, LangChain, Vercel AI SDK, LiteLLM, OpenInference and others. The v1 alert rule API is still set for removal on November 11.
◆ Where it's heading
SigNoz is moving into LLM observability from both sides: August's plugin put it inside AI coding agents, and the Thread view now makes it a place to debug AI apps. Underneath, the alerting API keeps migrating on fixed, repeatedly announced dates. Alert channels into incident tools fill out the operational side.
◆ Prediction
Expect more AI-specific views on top of the Thread view, such as token or cost breakdowns per conversation, and the v1 rules removal to ship on November 11 as announced.
Thanos
0.0INFRA · APIS
Thanos is rebuilding Receive around multi-tenancy, and shipping it through a stuttering RC train.
◆ Current state
Thanos is working through the 0.42.0 release candidates, where the headline work is on Receive: tenant lifecycle handling, per-endpoint configuration, and fanout information surfaced in Thanos Query. The line also adopted Go's *os.Root API, which rc.2 exists mainly to clean up after. The release pipeline itself has been unreliable — rc.0 was skipped outright because base image SHA updates broke it, so rc.1 and rc.2 carry identical feature notes.
◆ Where it's heading
The centre of gravity is multi-tenant operation. Per-endpoint configuration and tenant lifecycle handling are what an operator needs to run one Thanos install for many teams rather than one per team, and the Query fanout view is the observability that makes such a topology debuggable. The parallel fixes to multi-tier query setups — preserving external label matchers across Query A → Query B → Sidecar chains — point at the same reality: deployments are getting deeper, not just wider.
◆ Prediction
A 0.42.0 stable should follow once the *os.Root regressions settle. The RC notes are cumulative and the feed is quiet since June, so treat cadence here as release-train artefact rather than a slowdown in the project.
Alternatives to SigNoz and Thanos
Other Infra & APIs products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either SigNoz or Thanos.
NetBird
NetBird's second v0.82 candidate keeps the MySQL removal and deprecates Rosenpass.
GitHub
At Universe, GitHub folds Copilot into Enterprise seats and lets Copilot Fusion pick the model.
incident.io
incident.io's agent now runs your team's own tools, with a human approval before any change.
Apache Airflow
Airflow 3.4 reaches its first release candidate, a week after the 10-20 provider wave.
Redocly
Redocly's reunite.agent gets per-duty cron schedules, rules and source repos.
See all SigNoz alternatives → · See all Thanos alternatives →
Recent activity from SigNoz and Thanos
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 1d agoSigNozAI traces are now easy to read with the new Thread View
- 7d agoSigNozv1 alert rules removed Nov 11; Telegram alerts, GCP logs
- 15d agoSigNozRebuilt panel editor, heatmap panel, Kubernetes status filters
- 24d agoSigNozFinal notice: v1 alert history API removed Oct 15
- 1mo agoSigNozv1 alert history API removal reminder (Oct 15)
- 1mo agoSigNozv1 alert history endpoints removed Oct 15
- 4mo agoThanosRegression fixes after the os.Root API adoption
- 4mo agoThanosReceive gains tenant lifecycle handling and per-endpoint config
- 8mo agoThanosgrpc-go downgraded to fix a memory leak
Frequently asked questions
What is the difference between SigNoz and Thanos?
They serve adjacent needs but don't currently overlap on shipped themes. SigNoz is currently shipping more aggressively (velocity 5.0 vs 0.0), with 0 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is SigNoz better than Thanos?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. SigNoz is currently shipping more aggressively (velocity 5.0 vs 0.0), with 0 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other Infra & APIs products to evaluate alongside.
What are the best alternatives to SigNoz?
Top SigNoz alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "SigNoz alternatives" section above for the current picks, or visit /alternatives/signoz for the full list with editorial commentary on each.
What are the best alternatives to Thanos?
Top Thanos alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "Thanos alternatives" section above for the current picks, or visit /alternatives/thanos for the full list with editorial commentary on each.