# Amazon Comprehend vs spaCy

| Attribute | Amazon Comprehend | spaCy |
|---|---|---|
| **Vioscale score** | 72.3 (33% (low)) | 49.2 (32% (low)) |
| activity.commits_last_30d | - | 13 |
| adoption.dependent_repos | - | 15,793 |
| adoption.github_stars | - | 33,849 |
| deployment.options | `{"cloud":true}` | `{"on_prem":true,"self_hosted":true}` |
| description.long | A machine learning service that processes text to identify entities, sentiment, topics, and key phrases. It supports both standard pre-built models and custom models trained on your own data, with APIs for document processing in multiple formats. | An open-source natural language processing library designed for building real-world applications. It excels at large-scale information extraction and has become an industry standard since 2015 with a robust ecosystem of plugins. |
| integrations.count | - | 1 |
| integrations.list | - | `[{"name":"PyTorch"}]` |
| language.primary | - | Python |
| license.spdx | - | MIT |
| market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"mac":true,"linux":true,"windows":true}` |
| pricing | `{"type":"usage","plans":[{"free":false,"name":"Standard APIs (Pay-per-use)","summary":"$0.0001 per unit (100 characters)","features":["Entity recognition","Sentiment analysis","Syntax analysis","Key phrase extraction","Language detection","Event detection","Toxicity detection","Prompt safety classification","PII detection","Redaction"],"components":[{"per":{"qty":1,"unit":"unit"},"kind":"metered","note":"1 unit = 100 characters, 3-unit minimum per request","amount":0.0001,"currency":"USD"}],"description":"Entity recognition, sentiment analysis, syntax analysis, key phrase extraction, language detection, event detection, toxicity detection, prompt safety","contactSales":false,"includedLimits":{"free_tier":"50k units/month for 12 months"}},{"free":false,"name":"Custom Classification & Entities","summary":"$3/hour training + $0.50/month management + $0.0003/unit inference","features":["Custom model training","Custom entity extraction","Custom text classification","Model management"],"components":[{"kind":"one_time","note":"Model training, billed by the second","amount":3,"period":"hour","currency":"USD"},{"kind":"fixed","note":"Custom model management","amount":0.5,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"unit"},"kind":"metered","note":"Async inference at 100 characters per unit, 3-unit minimum","amount":0.0003,"currency":"USD"}],"description":"Train custom NLP models to categorize text and extract domain-specific entities","contactSales":false},{"free":false,"name":"Managed Endpoints (Synchronous)","summary":"$0.0005 per second per Inference Unit","features":["Real-time synchronous inference","Scalable throughput with multiple IUs"],"components":[{"per":{"qty":1,"unit":"second","quantity":"per Inference Unit"},"kind":"metered","note":"1 IU = 100 characters/sec throughput, minimum 60 seconds per billing period","amount":0.0005,"currency":"USD"}],"description":"Real-time inference endpoints with provisioned throughput","contactSales":false}],"summary":"From $0.0001 per unit (100 characters) for standard APIs. Free tier: 50K units per month for 12 months.","currency":"USD","freeTier":true,"sourceUrl":"https://aws.amazon.com/comprehend/pricing/?pg=ln&sec=hs","retrievedAt":"2026-08-19T16:04:06.586Z","startingPrice":{"amount":0.5,"period":"month","currency":"USD"},"billingPeriods":["month"]}` | `{"type":"open_source","summary":"Free, open-source library","freeTier":true,"sourceUrl":"https://spacy.io","retrievedAt":"2026-08-19T14:46:03.884Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | commercial |
| pricing.price_level | low | free |
| pricing.starting_price | `{"amount":0.5,"currency":"USD"}` | - |
| pricing.transparent | yes | - |
| release.cadence_days | - | 20 |
| release.history | - | `[{"url":"https://github.com/explosion/spaCy/releases/tag/release-v3.8.16","date":"2026-08-24T10:01:11Z","type":"stable","version":"release-v3.8.16"},{"url":"https://github.com/explosion/spaCy/releases/tag/release-v3.8.15","date":"2026-08-07T17:13:19Z","type":"stable","version":"release-v3.8.15"},{"url":"https://github.com/explosion/spaCy/releases/tag/release-v3.8.14","date":"2026-03-29T07:47:14Z","type":"stable","version":"release-v3.8.14"},{"url":"https://github.com/explosion/spaCy/releases/tag/release-v3.8.13","date":"2026-03-23T17:40:51Z","type":"stable","version":"release-v3.8.13"},{"url":"https://github.com/explosion/spaCy/releases/tag/release-v3.8.12","date":"2026-03-23T13:33:37Z","type":"stable","version":"release-v3.8.12"},{"url":"https://github.com/explosion/spaCy/releases/tag/release-v3.8.11","date":"2025-11-17T20:37:38Z","type":"stable","version":"release-v3.8.11"},{"url":"https://github.com/explosion/spaCy/releases/tag/release-v3.8.10","date":"2025-11-17T15:54:29Z","type":"stable","version":"release-v3.8.10"},{"url":"https://github.com/explosion/spaCy/releases/tag/release-v3.8.9","date":"2025-11-13T14:57:22Z","type":"stable","version":"release-v3.8.9"},{"url":"https://github.com/explosion/spaCy/releases/tag/release-v3.8.8","date":"2025-11-07T09:26:30Z","type":"stable","version":"release-v3.8.8"},{"url":"https://github.com/explosion/spaCy/releases/tag/release-v3.8.7","date":"2025-05-23T08:53:14Z","type":"stable","version":"release-v3.8.7"},{"url":"https://github.com/explosion/spaCy/releases/tag/release-v3.8.6","date":"2025-05-19T07:52:28Z","type":"stable","version":"release-v3.8.6"},{"url":"https://github.com/explosion/spaCy/releases/tag/release-v3.8.3","date":"2024-12-11T13:11:38Z","type":"stable","version":"release-v3.8.3"},{"url":"https://github.com/explosion/spaCy/releases/tag/release-v3.8.2","date":"2024-10-01T18:19:33Z","type":"stable","version":"release-v3.8.2"},{"url":"https://github.com/explosion/spaCy/releases/tag/prerelease-v3.8.0.dev0","date":"2024-09-09T14:19:15Z","type":"prerelease","version":"prerelease-v3.8.0.dev0"},{"url":"https://github.com/explosion/spaCy/releases/tag/prerelease-v3.7.6a","date":"2024-08-20T10:09:49Z","type":"prerelease","version":"prerelease-v3.7.6a"},{"url":"https://github.com/explosion/spaCy/releases/tag/v3.7.5","date":"2024-06-05T07:57:36Z","type":"stable","version":"v3.7.5"},{"url":"https://github.com/explosion/spaCy/releases/tag/v3.7.4","date":"2024-02-15T19:16:59Z","type":"stable","version":"v3.7.4"},{"url":"https://github.com/explosion/spaCy/releases/tag/v3.7.2","date":"2023-10-16T16:11:22Z","type":"stable","version":"v3.7.2"},{"url":"https://github.com/explosion/spaCy/releases/tag/v3.7.1","date":"2023-10-05T06:46:15Z","type":"stable","version":"v3.7.1"},{"url":"https://github.com/explosion/spaCy/releases/tag/v3.7.0","date":"2023-10-02T09:10:08Z","type":"stable","version":"v3.7.0"}]` |
| security.disclosure_policy | yes | - |
| security.fedramp | yes | - |
| security.gdpr | yes | - |
| security.hipaa | yes | - |
| security.pci | yes | - |
| security.scorecard | - | 5.2 |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=spacy&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (NLP Apis)

| Capability | Amazon Comprehend | spaCy |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Custom model training | - | - |
| Domain specific models | - | - |
| Deployment model | - | - |
| Batch processing | - | - |
| Real time latency | - | - |
| Embeddings endpoint | - | - |
| Data residency EU | - | - |
| Open source | - | - |
| Pricing model | - | - |

*Source: Vioscale. Generated 2026-09-01T17:34:26.848Z. "-" = undocumented, not absent.*