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It's a split decision.
Choose Coralogix if you want telemetry stored in your cloud in open formats, with usage-based rates for logs, traces, metrics, and AI evaluation. Its Olly interface, MCP connector, and CLI support investigations across engineering workflows. Choose Datadog if you need one platform spanning observability, security, digital experience, and software delivery, with integrations such as AWS, Kubernetes, and OpenTelemetry. Its published $500 AI Credits price is not a full-platform quote, so compare total costs for your selected products.
01Side by side
| Coralogix | Datadog | |
|---|---|---|
| Pricing model | Per-GB telemetry rates; AI billed per million tokens | $500 per 500 monthly AI Credits, billed annually |
| Free tier | 14-day all-features trial; no card required | No free plan; trial not listed |
| Integrations | Slack, PagerDuty, IDEs, and CI/CD workflows | AWS, Azure, Google Cloud, Kubernetes, OpenTelemetry, OpenAI, SAP |
| Platforms | Web | Web |
| Limits and scaling | Infinite retention; unlimited sources and users | 500 AI Credits monthly; on-demand credits cost $1.30 |
| Lock-in and data export | Customer-cloud storage, open formats; says no lock-in | Export and portability terms not published |
| CLI and docs | CLI scripts investigations into runbooks and CI/CD | Homepage names no CLI workflow |
| Deployment model | Telemetry stored in your cloud | Integrated monitoring and security platform |
Coralogix Choose Coralogix if
- Choose Coralogix if telemetry must stay in your cloud.
- Choose Coralogix if you prefer per-GB telemetry pricing.
- Choose Coralogix if you need scripted, AI-assisted investigations.
Datadog Choose Datadog if
- Choose Datadog if you need observability and security together.
- Choose Datadog if digital experience monitoring is in scope.
- Choose Datadog if your stack needs broad cloud integrations.
02Pricing at real usage
Coralogix has no free plan, but its 14-day trial includes all features and requires no card. Its bill grows with daily telemetry: $0.42/GB for logs, $0.16/GB for traces, and $0.06/GB for metrics; AI costs $1.50 per 1M tokens, measured monthly. The pricing page lists infinite retention. S3 storage adds effective costs of $0.003/GB for logs and traces, and $0.000033/GB for metrics. Pay-As-You-Go can allow ingestion up to 2× the daily plan quota; its rate is not published.
Datadog's listed price is $500 per 500 AI Credits per month, billed annually, or $1.30 per credit on-demand. That price covers AI features, not a comparable full-platform observability quote. Datadog has no free plan listed. The AI price does not establish costs for its monitoring, logs, security, or other products, so get a quote based on the specific products and usage you plan to run.
03API, SDKs and integration
Coralogix offers Olly for natural-language investigations, an MCP connector for surfacing insights in Slack, PagerDuty, or an IDE, and a CLI for scripting investigations and piping results into runbooks or CI/CD. Its stated architecture stores telemetry in the customer's cloud in open formats. The homepage describes cross-signal correlation across live data and stored telemetry.
Datadog brings observability, security, digital experience, software delivery, service management, and AI products into one platform. Its listed integrations include AWS, Azure, Google Cloud, Kubernetes, OpenTelemetry, OpenAI, and SAP. Neither vendor's listed homepage identifies programming-language SDKs, API endpoints, or a documentation set. Confirm the supported SDKs, API authentication, and instrumentation path for your languages before committing; for Coralogix, also check which investigation tasks are available through its CLI and MCP connector, and for Datadog, which integrations cover your stack.
04Open source, self-hosting and lock-in
The vendors do not state open-source licences or self-hosting options on their product pages. Coralogix does state that it stores telemetry in your cloud in open formats you choose, and its homepage says there is no rehydration or lock-in. That makes storage location and data format explicit, but teams should still confirm export procedures and any costs for moving data between systems.
Datadog presents an integrated platform, but its homepage does not detail data export formats or migration procedures. Ask Datadog about exporting logs, metrics, traces, and related metadata, along with any retention or transfer costs. If portability is a hard requirement, make both vendors demonstrate how your data and investigations can be moved before choosing.
Questions people ask
Is Coralogix cheaper than Datadog?
Coralogix publishes per-GB prices for logs, traces, and metrics, plus a per-token AI rate. Datadog's listed $500 price covers 500 AI Credits per month, not its full observability platform. These figures are not directly comparable; estimate Coralogix from ingestion and Datadog from the specific products and usage you need.
Does Coralogix have a free plan?
No. Coralogix lists a 14-day trial with all features and no credit card required. Datadog also has no free plan listed, and its pricing page does not list a free trial. Check each vendor's current terms before planning a proof of concept.
Can Coralogix store telemetry in our cloud?
Yes. Coralogix says telemetry is stored in your cloud in open formats you choose. Its pricing page lists infinite retention and S3 storage costs for logs, traces, and metrics. Confirm the storage setup and expected bill for your deployment with the vendor.
When should a team choose Datadog over Coralogix?
Datadog is a fit when a team wants observability alongside security, digital experience, software delivery, and service management in one platform. Its listed integrations include major cloud providers, Kubernetes, and OpenTelemetry. Compare costs for the specific products you need; the published AI Credits price is not a full-platform price.