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Microsoft Foundry Prompt Optimizer

API—OSS—FREE—DOCS4/5
MF5.4#19 of 29
outWeb—Windows—Mac—Linux—Android—iOS

Ranked in AI Prompt Generators ·No free plan on record

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About

Microsoft Foundry Prompt Optimizer is ranked #19 of 29 in AI prompt generators on Inferse. 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

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Agenta01 APIOSSFREEDOCS $29/mo7.4Promptitude02 APIOSSFREEDOCS $39/mo7.4PromptWizard03 APIOSSFREEDOCS Free7.4Google Cloud Agent Evaluation04 APIOSSFREEDOCS 7.3Latitude05 APIOSSFREEDOCS $99/mo7.3MLflow Prompt Optimization06 APIOSSFREEDOCS Free7.3

Where it ranks on Inferse

Sources