Best Cortex Alternatives in 2026
The top Cortex alternatives are Apache IoTDB, Amazon Timestream and LindormTSDB: 15 Time-Series databases our editors would look at instead of Cortex, in our ranking order.
Cortex: A self-hosted, open-source choice for multi-tenant Prometheus metrics at scale. Where it falls short: self-hosted deployment leaves operations and infrastructure to your team.
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Best forIoT data with SQL and many ingestion options
A focused open-source choice for high-volume IoT ingestion, SQL, retention, and scaling.
- SQL support
- Retention policies
- Horizontal scaling
9.3/10★★★★★Visit Apache IoTDB -
Best forManaged AWS time-series deployments
A managed AWS option with flexible ingestion, retention, SQL, and InfluxDB support.
- SQL support
- Retention policies
- Horizontal scaling
9.1/10★★★★★Visit site -
Best forManaged compatible metrics and time-series workloads
A broad compatibility layer for teams managing scalable telemetry and metrics workloads.
- SQL support
- Retention policies
- Horizontal scaling
9.0/10★★★★☆Visit Alibaba Cloud -
Best forHigh-performance financial time-series processing
A specialized, self-hosted engine for real-time and historical financial analytics.
- SQL support
- Retention policies
- Horizontal scaling
8.9/10★★★★☆Visit kdb+ -
Best forPrometheus-native monitoring metrics
A Prometheus-native metrics platform with PromQL, alerting, retention, and federation.
- Retention policies
8.8/10★★★★☆Visit Prometheus -
Best forLarge-scale Prometheus storage
A self-hosted, PromQL-focused backend for large-scale Prometheus and OpenTelemetry metrics.
- Retention policies
- Horizontal scaling
8.7/10★★★★☆Visit Grafana Mimir -
Best forBroad, production-ready time-series workloads
A flexible time-series database with open-source, self-managed, and managed cloud editions.
- SQL support
- Retention policies
- Horizontal scaling
8.6/10★★★★☆Visit InfluxDB -
Best forPrometheus-compatible metrics at scale
A strong Prometheus-compatible metrics store, but not a SQL-oriented database.
- Retention policies
- Horizontal scaling
8.5/10★★★★☆Try VictoriaMetrics -
Best forOpen-source SQL time-series deployments
A strong fit for teams wanting SQL, flexible ingestion, and self-managed time-series infrastructure.
- SQL support
- Retention policies
- Horizontal scaling
8.4/10★★★★☆Visit QuestDB -
Best forIndustrial telemetry and high-volume ingestion
A flexible industrial time-series database with broad ingestion and deployment options.
- SQL support
- Retention policies
- Horizontal scaling
8.2/10★★★★☆Visit TDengine -
Best forPostgreSQL teams needing time-series capabilities
A PostgreSQL-compatible time-series extension for teams needing relational and analytical workloads together.
- SQL support
7.9/10★★★★☆Visit TimescaleDB -
Best forIndustrial teams exploring process trends
Industrial teams can explore process trends, monitor operations, and apply machine-learning analytics.
7.8/10★★★★☆Visit TrendMiner -
Best forObservability data across metrics, logs, and traces
A flexible observability database that combines SQL, PromQL, and broad ingestion support.
- SQL support
- Retention policies
- Horizontal scaling
7.7/10★★★★☆Visit GreptimeDB -
Best forComplex streaming and time-series analytics
A distributed time-series platform for complex streaming, scaling, and analytics workloads.
- SQL support
- Retention policies
- Horizontal scaling
7.6/10★★★★☆Visit DolphinDB -
Best forIndustrial IoT with native APIs and MQTT
A self-hosted industrial IoT database with SQL, native APIs, MQTT, and OPC UA.
- SQL support
- Retention policies
- Horizontal scaling
7.5/10★★★★☆Visit TimechoDB
Cortex Alternatives: Common Questions
What is the best alternative to Cortex?
Apache IoTDB: #1 in our Time-Series Databases ranking, with an editor score of 9.3 out of 10. A focused open-source choice for high-volume IoT ingestion, SQL, retention, and scaling.
Is there a free alternative to Cortex?
Yes. Apache IoTDB, Prometheus, Grafana Mimir, InfluxDB and VictoriaMetrics have a free plan or a free tier (10 of the 15 alternatives on this page).
What is the cheapest paid alternative to Cortex?
Of the alternatives here that publish a price, TimescaleDB starts lowest, at $30/GB/mo.
Cortex vs Each Alternative
| # | Tool | Free plan | Paid from | Deployment | SQL support | Retention policies | Horizontal scaling | Ingestion methods | Score |
|---|---|---|---|---|---|---|---|---|---|
| 21 | Cortex | — | None | Self_hosted | No | Yes | Yes | Prometheus remote_write; OpenTelemetry Protocol (OTLP) | 6.9 |
| 1 | Apache IoTDB | — | None | Both | Yes | Yes | Yes | INSERT SQL; Java JDBC; Java, C++, Python, and Go native APIs; REST API; MQTT; CSV; TsFile | 9.3 |
| 2 | Amazon Timestream | No | — | Cloud | Yes | Yes | Yes | AWS SDKs, AWS CLI, WriteRecords API, AWS Lambda, AWS IoT Core, Amazon Managed Service for Apache Flink, Amazon Kinesis, Amazon MSK, Telegraf | 9.1 |
| 3 | LindormTSDB | — | — | Cloud | Yes | Yes | Yes | SQL INSERT via JDBC, InfluxDB line protocol, OpenTSDB API, Prometheus remote write | 9.0 |
| 4 | kdb+ | — | — | Both | Yes | Yes | Yes | tickerplant, feed handlers, batch mode, TCP/IP, Apache Kafka, Python, Java, C | 8.9 |
| 5 | Prometheus | Yes | None | Self_hosted | No | Yes | No | HTTP pull scraping; Pushgateway; Remote Write; OpenMetrics backfilling | 8.8 |
| 6 | Grafana Mimir | — | None | Self_hosted | No | Yes | Yes | Prometheus remote write; Grafana Agent; Prometheus Agent; OpenTelemetry; Influx; Graphite; Datadog | 8.7 |
| 7 | InfluxDB | Yes | $0/GB usage-based | Both | Yes | Yes | Yes | line protocol, HTTP API, client libraries, Telegraf, influxdb3 CLI | 8.6 |
| 8 | VictoriaMetrics | Yes | — | Both | No | Yes | Yes | Prometheus scraping, Prometheus remote write, Prometheus exposition, InfluxDB line protocol, Graphite plaintext, OpenTSDB, JSON line, CSV, native binary, DataDog, NewRelic, OpenTelemetry, Zabbix Connector | 8.5 |
| 9 | QuestDB | Yes | None | Both | Yes | Yes | Yes | QuestDB Wire Protocol, InfluxDB Line Protocol, REST API, native client libraries, SQL INSERT, Kafka connector, CSV import | 8.4 |
| 10 | TDengine | Yes | $600/mo | Both | Yes | Yes | Yes | SQL, InfluxDB Line Protocol, OpenTSDB Telnet Protocol, OpenTSDB JSON Protocol, MQTT, OPC UA, OPC DA, Kafka, CSV, PI System, MySQL, PostgreSQL, Oracle, MongoDB | 8.2 |
| 11 | TimescaleDB | Yes | $30/GB/mo | — | Yes | — | — | — | 7.9 |
| 12 | TrendMiner | — | — | — | — | — | — | — | 7.8 |
| 13 | GreptimeDB | Yes | $290/mo | Both | Yes | Yes | Yes | Prometheus Remote Write, OpenTelemetry OTLP/HTTP, Loki Push API, Elasticsearch Bulk API, InfluxDB Line Protocol, MySQL, PostgreSQL, gRPC, HTTP | 7.7 |
| 14 | DolphinDB | Yes | None | Both | Yes | Yes | Yes | Text, binary, JSON, HDF5, Parquet, Arrow, ODBC, APIs, Kafka, MQTT, ZeroMQ, MySQL, MongoDB, HBase, kdb+ | 7.6 |
| 15 | TimechoDB | — | — | Both | Yes | Yes | Yes | Java, JDBC, C, C++, C#, Go, Python, Node.js, REST, MQTT, OPC UA, OPC DA, ODBC | 7.5 |
Guides on Time-Series Databases
- 7 Best Time-Series Databases for Monitoring Solutions (2026 Guide)Sep 2026
- Understanding Time Series Databases: Data Models, Architecture, and How to Choose OneAug 2026
- Time-Series Databases for Website Monitoring: How to Choose a Metrics BackendSep 2026
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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