Tech riderRev. 21 Sept 2026
Microsoft Foundry Prompt Optimizer
- 1Runs onWeb
- 2CostsNot stated by the maker
- 3Optimization modeautomated
2 lines stated Written from the maker's own pages: learn.microsoft.com

Overview
Microsoft Foundry Prompt Optimizer is ranked #17 of 29 in AI prompt generators on Specifiction. It runs on Web.
Compared on AI prompt generators
- Optimization mode
- automatedlearn.microsoft.com
Facts
- Purpose
- Prompt Optimizer automatically improves an agent’s system instructions using prompt-engineering best practices.learn.microsoft.com · 4 Oct 2026
- How it works
- An LLM uses the supplied instructions and optional suggestions to restructure and clarify the prompt.learn.microsoft.com · 4 Oct 2026
- Reasoning
- It provides an explanation for each modified paragraph that users can review alongside the revised text.learn.microsoft.com · 4 Oct 2026
- Iteration
- Users can add suggestions and reoptimize, using the latest optimized text as the next baseline.learn.microsoft.com · 4 Oct 2026
- Access
- The optimizer is available in the Foundry portal’s agent configuration and in the model playground wherever a system-instructions field is present.learn.microsoft.com · 4 Oct 2026
- Prerequisites
- Use requires a Foundry project with a prompt or workflow agent, a model deployment in a supported region, and access to the agent configuration panel.learn.microsoft.com · 4 Oct 2026
- Limits
- It optimizes text-based agent instructions and does not optimize non-text configuration such as tool definitions or knowledge sources.learn.microsoft.com · 4 Oct 2026
- Persistence
- Optimization results are not stored permanently, and the optimizer does not automatically save previous instruction versions.learn.microsoft.com · 4 Oct 2026
- Preview status
- The feature is in public preview, without a service-level agreement, and Microsoft does not recommend it for production workloads.learn.microsoft.com · 4 Oct 2026
- Related optimization
- The separate Agent Optimizer can generate candidates for prompt-agent instructions, function-calling tool descriptions, or model selection.learn.microsoft.com · 4 Oct 2026
- Security and privacy
- Microsoft states that prompts and completions for Models sold by Azure are not shared with other customers or used by model providers to improve their models or services.learn.microsoft.com · 4 Oct 2026
- Maker
- Microsoft’s corporate headquarters are in Redmond, Washington.news.microsoft.com · 4 Oct 2026
Company
- Founded
- 1975learn.microsoft.com · 4 Oct 2026
- Headquarters
- Redmond, Washington, United Stateslearn.microsoft.com · 4 Oct 2026
Best Microsoft Foundry Prompt Optimizer alternatives
See all 20 All accessCh 01 Vellum Free planAndroidBrowser from $30/mo7.6 All accessCh 02 PromptWizard Free planAPILinux Free to start7.5 All accessCh 03 Promptitude Free planFree trialAPI from $39/mo7.4 All accessCh 04 Google Cloud Agent Evaluation Free trialAPIWeb 7.2 All accessCh 05 VantagePrompt Free planWeb from $3/mo7.1 All accessCh 06 Agenta Free planAPIself-hosted from $29/mo7.0
Where it ranks on Specifiction
- Best AI Prompt Generators in 2026#17 of 29
Is Microsoft Foundry Prompt Optimizer yours?
Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.
Sources
- learn.microsoft.com/en-us/azure/foundry/observability/how-t· checked 4 Oct 2026
- learn.microsoft.com/en-us/azure/foundry/agents/quickstarts/· checked 4 Oct 2026
- learn.microsoft.com/en-us/azure/foundry/responsible-ai/open· checked 4 Oct 2026
- news.microsoft.com/uploads/prod/sites/370/2018/11/Microsof· checked 4 Oct 2026

