# Microsoft Prompt Flow vs PromptLayer

**Leader by Vioscale score:** PromptLayer

| Attribute | Microsoft Prompt Flow | PromptLayer |
|---|---|---|
| **Vioscale score** | 30.3 (16% (low)) | 70.2 (54% (medium)) |
| activity.commits_last_30d | 0 | - |
| adoption.dependent_repos | 1 | - |
| adoption.github_stars | 11,229 | - |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true,"hybrid":true,"on_prem":true,"self_hosted":true}` |
| description.long | Provides integrated tools for the complete development lifecycle of AI applications powered by large language models, from initial design through prototyping, testing, evaluation, and production deployment with monitoring. | A platform combining prompt versioning, evaluation tools, and observability for LLM applications. It enables domain experts to test and refine prompts, track API usage and costs, and monitor application performance—all without changing application code. |
| features.capabilities | - | `{"caching":"exact","ab_testing":true,"open_source":true,"pricing_model":"usage/seat-based-saas","rate_limiting":true,"self_hostable":true,"deployment_model":"managed-SaaS","multi_step_flows":true,"tracing_included":true,"versioning_model":"git-native","approval_workflow":true,"diff_and_rollback":true,"streaming_support":true,"non_engineer_editing":true,"openai_compatible_api":true,"multi_model_playground":true,"deploy_without_redeploy":true,"llm_judge_or_human_eval":true,"request_cost_observability":true}` |
| integrations.count | - | 7 |
| integrations.list | - | `[{"name":"Pydantic AI"},{"name":"OpenAI"},{"name":"Anthropic"},{"name":"Google GenAI"},{"name":"AWS Bedrock"},{"name":"OpenTelemetry"},{"name":"Azure OpenAI"},{"name":"Vertex AI"}]` |
| language.primary | Python | - |
| license.spdx | MIT | - |
| market.availability | - | `{"hqCountry":"US","primaryMarkets":["US","EU"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true}` | `{"cli":true,"web":true}` |
| pricing | - | `{"type":"hybrid","plans":[{"free":true,"name":"Free","summary":"Free","features":["5 Users","2.5k/month Requests","1 Workspace","250/month Eval Cell Executions","10MB max per Dataset","Basic Support"],"minSeats":5,"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"for hackers","contactSales":false,"includedLimits":{"users":"5","requests":"2.5k/month","dataset_size":"10MB","eval_executions":"250/month"}},{"free":false,"name":"Pro","summary":"$49/month plus $0.003/transaction","features":["Unlimited Playgrounds","Unlimited Workspaces","150MB max per Dataset","Webhooks Included","Dedicated Support"],"components":[{"kind":"fixed","amount":49,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"transaction"},"kind":"metered","amount":0.003,"currency":"USD"}],"description":"for small teams","contactSales":false,"includedLimits":{"workspaces":"Unlimited","playgrounds":"Unlimited","dataset_size":"150MB"}},{"free":false,"name":"Team","summary":"$500/month plus $0.002/transaction","features":["25 Users","100k+/month Requests","7.5k+/month Eval Cell Executions","1GB max per Dataset","Webhooks Included","Role Based Access Controls","Dedicated Support"],"minSeats":25,"components":[{"kind":"fixed","amount":500,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"transaction"},"kind":"metered","amount":0.002,"currency":"USD"}],"description":"for growing teams","contactSales":false,"includedLimits":{"users":"25","requests":"100k+/month","dataset_size":"1GB","eval_executions":"7.5k+/month"}},{"free":false,"name":"Enterprise","summary":"Custom pricing, contact sales","features":["Custom limits on everything","Role Based Access Controls","Deployment Approvals","HIPAA with BAA","Flexible Hosting Options","Dedicated Support","Data Retention Control"],"contactSales":true}],"summary":"Free tier available. Pro starts at $49/month, Team at $500/month, both with usage-based billing ($0.002–$0.003 per transaction). Enterprise custom pricing.","currency":"USD","freeTier":true,"sourceUrl":"https://www.promptlayer.com/pricing/","retrievedAt":"2026-08-21T12:43:41.184Z","startingPrice":{"amount":49,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | - | yes |
| pricing.model | - | freemium |
| pricing.price_level | - | mid |
| pricing.starting_price | - | `{"amount":49,"currency":"USD"}` |
| pricing.transparent | - | yes |
| release.cadence_days | 13 | - |
| release.history | `[{"url":"https://github.com/microsoft/promptflow/releases/tag/promptflow_1.17.1","date":"2025-01-09T21:00:17Z","type":"stable","version":"promptflow_1.17.1"},{"url":"https://github.com/microsoft/promptflow/releases/tag/promptflow_1.17.0","date":"2025-01-06T20:04:04Z","type":"stable","version":"promptflow_1.17.0"},{"url":"https://github.com/microsoft/promptflow/releases/tag/promptflow_1.16.2","date":"2024-11-25T21:07:56Z","type":"stable","version":"promptflow_1.16.2"},{"url":"https://github.com/microsoft/promptflow/releases/tag/promptflow_1.16.1","date":"2024-10-08T18:55:50Z","type":"stable","version":"promptflow_1.16.1"},{"url":"https://github.com/microsoft/promptflow/releases/tag/promptflow_1.16.0","date":"2024-09-30T16:42:02Z","type":"stable","version":"promptflow_1.16.0"},{"url":"https://github.com/microsoft/promptflow/releases/tag/promptflow_1.15.0.post1","date":"2024-09-23T18:57:51Z","type":"stable","version":"promptflow_1.15.0.post1"},{"url":"https://github.com/microsoft/promptflow/releases/tag/promptflow_1.15.0","date":"2024-08-15T05:56:00Z","type":"stable","version":"promptflow_1.15.0"},{"url":"https://github.com/microsoft/promptflow/releases/tag/promptflow_1.14.0","date":"2024-07-26T02:57:50Z","type":"stable","version":"promptflow_1.14.0"},{"url":"https://github.com/microsoft/promptflow/releases/tag/promptflow_1.12.0","date":"2024-06-11T08:58:23Z","type":"stable","version":"promptflow_1.12.0"},{"url":"https://github.com/microsoft/promptflow/releases/tag/promptflow_1.11.0","date":"2024-05-17T07:13:07Z","type":"stable","version":"promptflow_1.11.0"},{"url":"https://github.com/microsoft/promptflow/releases/tag/promptflow_1.10.1","date":"2024-05-10T08:29:44Z","type":"stable","version":"promptflow_1.10.1"},{"url":"https://github.com/microsoft/promptflow/releases/tag/promptflow_1.10.0","date":"2024-04-26T14:28:24Z","type":"stable","version":"promptflow_1.10.0"},{"url":"https://github.com/microsoft/promptflow/releases/tag/promptflow_1.9.0","date":"2024-04-17T11:06:50Z","type":"stable","version":"promptflow_1.9.0"},{"url":"https://github.com/microsoft/promptflow/releases/tag/promptflow_1.8.0","date":"2024-04-10T11:57:28Z","type":"stable","version":"promptflow_1.8.0"},{"url":"https://github.com/microsoft/promptflow/releases/tag/v1.4.0-tools","date":"2024-03-26T10:13:11Z","type":"stable","version":"v1.4.0-tools"},{"url":"https://github.com/microsoft/promptflow/releases/tag/promptflow_1.7.0","date":"2024-03-25T02:47:56Z","type":"stable","version":"promptflow_1.7.0"},{"url":"https://github.com/microsoft/promptflow/releases/tag/v1.3.0-tools","date":"2024-03-01T10:08:22Z","type":"stable","version":"v1.3.0-tools"},{"url":"https://github.com/microsoft/promptflow/releases/tag/promptflow_1.6.0","date":"2024-03-01T09:34:19Z","type":"stable","version":"promptflow_1.6.0"},{"url":"https://github.com/microsoft/promptflow/releases/tag/v1.2.0-tools","date":"2024-02-07T02:40:43Z","type":"stable","version":"v1.2.0-tools"},{"url":"https://github.com/microsoft/promptflow/releases/tag/promptflow_1.5.0","date":"2024-02-06T10:56:28Z","type":"stable","version":"promptflow_1.5.0"}]` | - |
| security.gdpr | - | yes |
| security.hipaa | - | yes |
| security.soc2 | - | yes |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=promptflow&per_page=100","last_12m":0,"max_severity":null}` | - |

## Capabilities (Prompt Management)

| Capability | Microsoft Prompt Flow | PromptLayer |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Versioning model | - | Git native |
| Diff and rollback | - | ✓ |
| Deploy without redeploy | - | ✓ |
| Non engineer editing | - | ✓ |
| Multi model playground | - | ✓ |
| Ab testing | - | ✓ |
| LLM judge or human eval | - | ✓ |
| Multi step flows | - | ✓ |
| Approval workflow | - | ✓ |
| Tracing included | - | ✓ |
| Self hostable | - | ✓ |
| Deployment model | - | Managed SaaS |
| Pricing model | - | Usage/seat based saas |

*Source: Vioscale. Generated 2026-09-01T16:59:47.169Z. "-" = undocumented, not absent.*