OpenObserve
by OpenObserve Inc.
Open-source, Rust-based observability on object storage — logs, metrics, traces and LLM telemetry in one binary
OpenObserve is an AGPL-3.0 open-source observability platform, written in Rust, that unifies logs, metrics, traces, real user monitoring and LLM observability in a single binary backed by object storage. It is built for platform and SRE teams who want Datadog-class coverage at self-hosted cost, without operating an Elasticsearch or Cassandra cluster underneath it.
OpenObserve is an open-source observability platform written in Rust that unifies logs, metrics, traces, real user monitoring, session replay, error tracking, ingest pipelines and LLM observability behind a single binary. Rather than running an Elasticsearch or Cassandra cluster, it writes Parquet columnar files straight to object storage — S3, GCS or Azure Blob — which is the basis of its claim of up to 140x lower storage cost than index-based alternatives, and it removes the database tier that normally dominates observability operations. It ingests OpenTelemetry natively, accepts Prometheus remote write, deploys through a single Helm chart or a Kubernetes operator, and prices cloud usage on ingested volume rather than per node or per host. The AGPL-3.0 open-source edition passed 20,000 GitHub stars in July 2026 — 20.6k at the time of writing, against 547 open issues and roughly 6,800 commits on main — and the vendor reports more than 7,000 organisations running it. In April 2026 OpenObserve raised a $10M Series A led by Nexus Venture Partners and Dell Technologies Capital, both returning from seed, and shipped what it calls Observability 3.0: an AI SRE that reads logs, metrics, traces and GitHub, Kubernetes, AWS, GCP and Azure signals in real time to identify root causes and recommend corrective actions; anomaly detection that surfaces degradation before an incident; and LLM observability covering prompt monitoring, evaluation tracking, token and cost accounting, latency percentiles, error rates, agent graphs and session traces. The O2 AI Assistant writes SQL, VRL and PromQL for users and walks them through incidents. Founded in 2022 by Prabhat Sharma and based in Menlo Park, California, the company holds SOC 2 Type II and ISO 27001 certification, supports SAML, OIDC, OAuth, LDAP and Active Directory, and offers its self-hosted Enterprise edition free up to 50 GB of daily ingestion.
The platform or SRE lead at a cost-constrained engineering organisation that wants to self-host observability on object storage instead of paying per-host SaaS pricing, and is comfortable running open-source infrastructure.
Full-stack observability including LLM telemetry on your own object storage at a fraction of indexed-platform storage cost, with the self-hosted Enterprise edition free up to 50 GB/day.
At a Glance
- Category
- Infrastructure & Cloud
- Pricing
- Free, Usage-based, Subscription, Contact for pricing
- Target Market
- CTOs, VPs of Engineering, SRE and Platform Teams, DevOps Engineers, Enterprise Developers
- Deployment
- Open-source, Self-hosted, Cloud-first, Hybrid
- Founded
- 2022
- Headquarters
- Menlo Park, California, USA
- Customers
- 7,000+ organisations running the platform (vendor-reported, April 2026); an independent report cited 6,000+ at the time of the Series A
Key Features
- ✓Single-binary Rust deployment on object storage
Runs as one binary writing Parquet to S3, GCS or Azure Blob with no separate database cluster to size, tune or operate.
- ✓Unified logs, metrics, traces, RUM and session replay
One platform covers backend telemetry and frontend monitoring including error tracking, removing the need for separate vendors per signal.
- ✓LLM observability
Tracks cost, tokens, latency percentiles and error rates across models with agent graphs, session traces and evaluation quality scoring.
- ✓AI SRE autonomous incident layer
Analyses telemetry plus GitHub, Kubernetes, AWS, GCP and Azure signals in real time to identify root causes and recommend fixes.
- ✓O2 AI Assistant
Writes SQL, VRL and PromQL on the user's behalf and walks engineers through logs, traces, metrics and incidents conversationally.
- ✓Ingest pipelines with redaction
Redacts or hashes sensitive fields at ingest time so regulated data never lands in the observability store in the clear.
- ✓Kubernetes operator and Helm chart
Deploys natively into clusters with OpenTelemetry ingestion, Prometheus remote write and per-namespace or per-cluster tenancy routing.
Capabilities
Use Cases
- •Replacing an indexed logging stack to cut storage cost
Teams migrate off Elasticsearch or Datadog onto Parquet-on-object-storage, which the vendor benchmarks at up to 140x lower storage cost.
- •Kubernetes cluster observability from a single Helm chart
Platform engineers ingest cluster logs and metrics via OpenTelemetry and Prometheus remote write without per-node licensing.
- •Monitoring a generative-AI application in production
Engineers watch prompt behaviour, token spend, model latency and evaluation scores next to the service telemetry from the same app.
- •Autonomous first-pass incident triage
The AI SRE correlates telemetry with infrastructure and GitHub signals to propose a root cause before an on-call engineer opens the console.
- •Self-hosted observability under data-sovereignty constraints
Organisations run the Enterprise edition inside their own VPC so telemetry never leaves a jurisdiction they control.
Ideal For
Best For
- ✓Self-hosting logs, metrics and traces on S3, GCS or Azure Blob without operating an Elasticsearch or Cassandra cluster
- ✓Kubernetes-native estates that want OpenTelemetry and Prometheus remote write ingestion via one Helm chart or operator
- ✓Teams whose Datadog, Splunk or Elastic storage bill has become the dominant line item in their observability spend
- ✓Engineering orgs that need LLM/GenAI observability — token cost, prompt monitoring, evaluation scoring — on the same platform as infrastructure telemetry
- ✓Organisations with data-residency or sovereignty requirements that rule out a US-only hosted SaaS
Not Ideal For
- ✗Teams that need a polished, mobile-friendly console — Hacker News operators say the interface 'could use some sparkle' and that 'the mobile experience kinda sucks'
- ✗Companies whose legal or procurement policy prohibits AGPL-3.0 copyleft in the stack, since the open-source edition is AGPL and the enterprise features require a commercial licence
- ✗Cloud-hosted buyers needing EU or APAC data residency today — OpenObserve Cloud runs in Ohio (us-east-2) with EU and APAC regions still listed as coming soon
- ✗Very sophisticated or unusual observability workloads where practitioners on Hacker News still weigh maturity against alternatives like SigNoz
- ✗Buyers who want SSO, RBAC and audit trails in the free open-source edition — those are gated to the Enterprise editions
Integrations
Deployment
Market & Ratings
7,000+ organisations running the platform (vendor-reported, April 2026); an independent report cited 6,000+ at the time of the Series A
Market Analysis
Pros
- ✓Practitioners on Hacker News confirm the cost case in production — 'we recently moved to openobserve due to cost, but visualisations are good enough too' and 'can't beat the excellent price and performance'
- ✓Strong open-source traction: 20.6k GitHub stars, roughly 6,800 commits on main, and an AGPL-3.0 edition the vendor calls production-ready and feature-complete for self-hosting
- ✓Consolidates a stack — one HN developer replaced separately hosted search and monitoring infrastructure with a single OpenObserve deployment
- ✓Genuine enterprise security posture for a company this size: SOC 2 Type II, ISO 27001, SAML/OIDC/OAuth/LDAP, RBAC and 365-day immutable audit logs with tamper detection
- ✓LLM observability is built in rather than bolted on, covering token cost, agent graphs and evaluation scoring
Cons
- ✗UI and mobile experience are the consistent criticism — one HN operator wrote the interface 'could use some... sparkle, and the mobile experience kinda sucks'
- ✗Maturity is still questioned against alternatives such as SigNoz for sophisticated use cases beyond straightforward deployments
- ✗547 open GitHub issues against a small commercial team; the $10M Series A is modest relative to Datadog, Splunk or Coralogix support organisations
- ✗Cloud hosting is US-only today (Ohio, us-east-2) with EU and APAC regions still 'coming soon', which rules out the SaaS for many EU buyers
- ✗The features enterprises actually require — SSO, RBAC, audit trail, redaction, AI SRE — sit behind the commercial licence, so the 'free' headline understates real cost above 50 GB/day
- ✗AI capabilities are still in preview with a 20-credit trial allowance, so the AI SRE claims are not yet proven at scale by independent users
Pricing
Open Source
$0
- ✓Free forever
- ✓AGPL-3.0 licence
- ✓Logs, metrics, traces, RUM, pipelines, LLM observability
- ✓Self-hosted, single binary
Self-Hosted Enterprise
$0 up to 50 GB/day ingestion
- ✓Free below 50 GB/day, contact sales above
- ✓SSO, RBAC, audit trail
- ✓Federated search
- ✓Query and workload management
- ✓Sensitive data redaction
Cloud Professional (Pay As You Go)
From $0.50 per GB ingested
- ✓$0.50/GB ingestion, 30% discount on annual commitment
- ✓$0.01/GB query
- ✓Metrics retained 15 months, non-metrics 30 days
- ✓$0.02/GB per extra 30-day retention period
- ✓14-day free trial, no credit card
- ✓Unlimited users, dashboards and alerts
Cloud Enterprise
Contact for pricing
- ✓Infinite retention with bring-your-own-bucket
- ✓AI-powered observability, AI SRE agent and AI assistant
- ✓Incident management
- ✓SSO, RBAC, audit trail
- ✓Premium support, SLAs and volume discounts
Metering is by ingested and queried volume, never per host or per node, which is the whole point of the pitch. The AGPL-3.0 open-source edition is free forever and self-hostable; the Self-Hosted Enterprise edition is free up to 50 GB of daily ingestion and needs a sales conversation above that. Cloud Professional publishes list pricing at $0.50/GB ingested and $0.01/GB queried, with a 30% annual-commitment discount, 15-month metrics retention, 30-day non-metrics retention and $0.02/GB per additional 30-day retention period; a 14-day trial needs no card. SSO, RBAC, audit trail, federated search, sensitive-data redaction, incident management and the AI SRE agent are all Enterprise-gated, and the AI features are free during preview with a 20-credit allowance.
Security & Compliance
Connect
Sources
This page was written from 6 sources, 3 on domains other than openobserve.ai.
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