Microsoft Foundry vs Datadog LLM Observability
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Microsoft Foundry starts at See pricing page and Datadog LLM Observability starts at See pricing page. Check both pricing pages for current plans.
LLM and agent monitoring inside the Datadog observability platform
Free trialAt a glance
Best for
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Pricing model
Starting price
Free plan
Made by
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Key features
- Model catalog
- Azure OpenAI deployments
- Foundry Agent Service
- Evaluations and tracing
- Content safety
- Agent and LLM tracing
- Quality evaluations
- Prompt-injection checks
- Cost and token tracking
- APM correlation
| Feature | Microsoft Foundry | Datadog LLM Observability |
|---|---|---|
| Best for | Microsoft's AI platform for OpenAI and other models, formerly Azure AI Foundry | LLM and agent monitoring inside the Datadog observability platform |
| Category | Models & APIs | Models & APIs |
| Pricing model | Paid | Free trial |
| Starting price | See pricing page | See pricing page |
| Free plan | No | No, 14-day trial |
| Made by | Microsoft | Datadog |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Microsoft Foundry starts at See pricing page and Datadog LLM Observability starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Microsoft Foundry
- Enterprise access to OpenAI models
- Deep Microsoft 365 and Azure ties
- Strong compliance features
- Frequent renames confuse buyers
- Portal has a learning curve
- Regional model availability varies
Datadog LLM Observability
- Joins AI and infra monitoring
- Built-in safety checks
- Enterprise-ready
- Expensive at scale
- Best only if you use Datadog
- Less flexible eval workflows
Which one should you choose?
Choose Microsoft Foundry if you want:
- Enterprise access to OpenAI models
- Deep Microsoft 365 and Azure ties
- Strong compliance features
Watch out: frequent renames confuse buyers.
Choose Datadog LLM Observability if you want:
- Joins AI and infra monitoring
- Built-in safety checks
- Enterprise-ready
Watch out: expensive at scale.
Microsoft Foundry vs Datadog LLM Observability FAQ
What is the difference between Microsoft Foundry and Datadog LLM Observability?
Microsoft Foundry: Microsoft's AI platform for OpenAI and other models, formerly Azure AI Foundry. Datadog LLM Observability: LLM and agent monitoring inside the Datadog observability platform. Both are models & apis tools.
Is Microsoft Foundry or Datadog LLM Observability cheaper?
Microsoft Foundry starts at See pricing page and Datadog LLM Observability starts at See pricing page. Check both pricing pages for current plans.
Do Microsoft Foundry and Datadog LLM Observability have free plans?
Microsoft Foundry: No. Datadog LLM Observability: No, 14-day trial.
Who makes Microsoft Foundry?
Microsoft Foundry is made by Microsoft, based in United States.
Who makes Datadog LLM Observability?
Datadog LLM Observability is made by Datadog, based in United States.
Which should I choose, Microsoft Foundry or Datadog LLM Observability?
Choose Microsoft Foundry if you value enterprise access to openai models and deep microsoft 365 and azure ties. Choose Datadog LLM Observability if you value joins ai and infra monitoring and built-in safety checks.