# Epsilla vs txtai

| Attribute | Epsilla | txtai |
|---|---|---|
| **Vioscale score** | 77.9 (30% (low)) | 62.9 (56% (medium)) |
| activity.commits_last_30d | - | 70 |
| adoption.dependent_repos | - | 14 |
| adoption.github_stars | - | 12,909 |
| deployment.options | `{"cloud":true,"on_prem":true,"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | A platform that simplifies building AI agents and knowledge-base systems for teams of any technical level. It provides enterprise-grade multi-tenancy and supports flexible deployment modes including cloud, on-premise, and private cloud. | txtai is an open-source Python framework for building semantic search applications, LLM-powered agents, retrieval augmented generation systems, and language model workflows with support for multiple vector backends and integration with various LLMs. |
| features.capabilities | `{"deployment":"managed","serverless":true,"licence_class":"proprietary","multi_tenancy":true,"product_class":"parent_feature"}` | `{"ann_index":"HNSW, IVF, IVFSparse, milvus-lite, turbovec, zvec","deployment":"embedded","consistency":"tunable","open_source":true,"quantization":"scalar","storage_tier":"disk_backed","hybrid_search":true,"licence_class":"permissive_oss","multi_tenancy":true,"product_class":"dedicated_dbms","full_text_bm25":true,"multimodal_rag":true,"distance_metrics":"cosine","horizontal_scale":"sharded_distributed","hybrid_retrieval":true,"metadata_filtering":"pre_filter","citation_attribution":true,"llm_provider_agnostic":true,"managed_ingestion_pipeline":true,"embedding_provider_agnostic":true,"multi_hop_agentic_retrieval":true}` |
| integrations.count | - | 10 |
| integrations.list | - | `[{"name":"llama.cpp"},{"name":"LiteLLM"},{"name":"Hugging Face"},{"name":"OpenAI"},{"name":"Claude"},{"name":"AWS Bedrock"},{"name":"smolagents"},{"name":"OpenCode"},{"name":"DuckDB"},{"name":"Milvus"},{"name":"LiteRT"}]` |
| language.primary | - | Python |
| license.spdx | - | Apache-2.0 |
| platform.support | `{"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"subscription","plans":[{"free":true,"name":"Free Tier","summary":"Free","features":["1 Team Member","1 Project","1 AI Application","1 Knowledge Base","10M Vector Storage","50 Messages/Month (Powered by GPT-4.1)","Community Support","Data Cleared after 30 Days of Inactivity"],"minSeats":1,"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"messages":"50/month","projects":"1","team_members":"1","vector_storage":"10M","ai_applications":"1","knowledge_bases":"1"}},{"free":false,"name":"Starter Tier","summary":"$29/month","features":["2 Team Members","1 Project","5 AI Applications","5 Knowledge Bases","1G Vector Storage","500 Messages/Month (Powered by GPT-4.1)","Email Support"],"minSeats":2,"commitment":"monthly","components":[{"kind":"fixed","amount":29,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"messages":"500/month","projects":"1","team_members":"2","vector_storage":"1G","ai_applications":"5","knowledge_bases":"5"}},{"free":false,"name":"Professional Tier","summary":"$249/month","features":["20 Team Members","10 Projects","50 AI Applications","50 Knowledge Bases","10G Vector Storage","5000 Messages/Month (Powered by GPT-4.1)","Dedicated Support Channel","AI Concierge"],"minSeats":20,"commitment":"monthly","components":[{"kind":"fixed","amount":249,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"messages":"5000/month","projects":"10","team_members":"20","vector_storage":"10G","ai_applications":"50","knowledge_bases":"50"}},{"free":false,"name":"AI Concierge","summary":"$2,499/month","features":["Everything in Professional","Fractional Forward Deployed AI Engineer","Done-For-You AI Agent & Workflow Build-Out","Domain-to-AI Enablement","Weekly Strategy & Review Calls","Custom Integration Support","Priority Support Channel","Ongoing Optimization"],"commitment":"monthly","components":[{"kind":"fixed","amount":2499,"period":"month","currency":"USD"}],"description":"Includes fractional forward deployed AI engineer from Epsilla team","contactSales":false},{"free":false,"name":"Enterprise Tier","summary":"Custom pricing","features":["Unlimited Team Members","Unlimited Projects","Unlimited AI Applications","Unlimited Knowledge Bases","Unlimited Vector Storage","Unlimited Messages/Month (any LLM Provider)","Extensive White-Labeling","SSO (SAML and OIDC)","On-Prem Deployment Options","Consulting and Customization","Premium Support with SLAs"],"contactSales":true,"includedLimits":{"messages":"Unlimited","projects":"Unlimited","team_members":"Unlimited","vector_storage":"Unlimited","ai_applications":"Unlimited","knowledge_bases":"Unlimited"}}],"addOns":[{"name":"Team Member","components":[{"kind":"per_unit","unit":"seat","amount":12,"period":"month","currency":"USD"}]},{"name":"AI Application","components":[{"kind":"per_unit","unit":"application","amount":2,"period":"month","currency":"USD"}]},{"name":"Knowledge Base","components":[{"kind":"per_unit","unit":"database","amount":2,"period":"month","currency":"USD"}]},{"name":"Vector Storage","components":[{"per":{"qty":1,"unit":"GB"},"kind":"metered","amount":18,"period":"month","currency":"USD"}]},{"name":"Messages","components":[{"per":{"qty":100,"unit":"messages"},"kind":"metered","amount":3,"period":"month","currency":"USD"}]},{"name":"Remove \"Powered By Epsilla\"","components":[{"kind":"fixed","amount":39,"period":"month","currency":"USD"}]}],"summary":"Free tier through $2,499/month. Custom pricing for Enterprise. Metered add-ons $2–39/month.","currency":"USD","freeTier":true,"sourceUrl":"https://epsilla.com","retrievedAt":"2026-08-03T13:12:38.383Z","startingPrice":{"amount":29,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://neuml.github.io/txtai","retrievedAt":"2026-08-21T12:43:59.946Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | open_source |
| pricing.price_level | mid | free |
| pricing.transparent | yes | yes |
| release.cadence_days | - | 26 |
| release.history | - | `[{"url":"https://github.com/neuml/txtai/releases/tag/v9.12.0","date":"2026-07-30T19:43:23Z","type":"stable","version":"v9.12.0"},{"url":"https://github.com/neuml/txtai/releases/tag/v9.11.0","date":"2026-07-01T15:07:00Z","type":"stable","version":"v9.11.0"},{"url":"https://github.com/neuml/txtai/releases/tag/v9.10.0","date":"2026-06-04T10:22:48Z","type":"stable","version":"v9.10.0"},{"url":"https://github.com/neuml/txtai/releases/tag/v9.9.0","date":"2026-05-12T15:21:53Z","type":"stable","version":"v9.9.0"},{"url":"https://github.com/neuml/txtai/releases/tag/v9.8.0","date":"2026-04-29T15:29:38Z","type":"stable","version":"v9.8.0"},{"url":"https://github.com/neuml/txtai/releases/tag/v9.7.0","date":"2026-03-20T17:10:04Z","type":"stable","version":"v9.7.0"},{"url":"https://github.com/neuml/txtai/releases/tag/v9.6.0","date":"2026-02-25T17:56:31Z","type":"stable","version":"v9.6.0"},{"url":"https://github.com/neuml/txtai/releases/tag/v9.5.0","date":"2026-02-12T16:44:38Z","type":"stable","version":"v9.5.0"},{"url":"https://github.com/neuml/txtai/releases/tag/v9.4.1","date":"2026-01-23T17:03:50Z","type":"stable","version":"v9.4.1"},{"url":"https://github.com/neuml/txtai/releases/tag/v9.4.0","date":"2026-01-21T15:30:33Z","type":"stable","version":"v9.4.0"},{"url":"https://github.com/neuml/txtai/releases/tag/v9.3.0","date":"2025-12-22T23:35:33Z","type":"stable","version":"v9.3.0"},{"url":"https://github.com/neuml/txtai/releases/tag/v9.2.0","date":"2025-11-21T15:09:50Z","type":"stable","version":"v9.2.0"},{"url":"https://github.com/neuml/txtai/releases/tag/v9.1.0","date":"2025-11-04T13:23:09Z","type":"stable","version":"v9.1.0"},{"url":"https://github.com/neuml/txtai/releases/tag/v9.0.1","date":"2025-09-15T13:25:58Z","type":"stable","version":"v9.0.1"},{"url":"https://github.com/neuml/txtai/releases/tag/v9.0.0","date":"2025-08-28T19:17:55Z","type":"stable","version":"v9.0.0"},{"url":"https://github.com/neuml/txtai/releases/tag/v8.6.0","date":"2025-06-10T14:25:49Z","type":"stable","version":"v8.6.0"},{"url":"https://github.com/neuml/txtai/releases/tag/v8.5.0","date":"2025-04-14T20:09:38Z","type":"stable","version":"v8.5.0"},{"url":"https://github.com/neuml/txtai/releases/tag/v8.4.0","date":"2025-03-11T14:24:16Z","type":"stable","version":"v8.4.0"},{"url":"https://github.com/neuml/txtai/releases/tag/v8.3.1","date":"2025-02-12T16:51:27Z","type":"stable","version":"v8.3.1"},{"url":"https://github.com/neuml/txtai/releases/tag/v8.3.0","date":"2025-02-11T18:56:25Z","type":"stable","version":"v8.3.0"}]` |
| reliability.sla_pct | 99.9 | - |
| reliability.status_page | yes | yes |
| security.scorecard | - | 4.9 |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=txtai&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Vector Databases)

| Capability | Epsilla | txtai |
|---|:--:|:--:|
| **Deployment** |  |  |
| Deployment | Managed | Embedded |
| Serverless / consumption pricing | ✓ | - |
| **Index** |  |  |
| ANN index (HNSW / IVF / DiskANN / ScaNN / flat) | - | HNSW, IVF, IVFSparse, milvus-lite, turbovec, zvec |
| Distance metrics (cosine / dot / Euclidean) | - | cosine |
| **Query** |  |  |
| Metadata filtering | - | Pre-filter |
| Hybrid search (dense + sparse fusion) | - | ✓ |
| Built-in BM25 / lexical | - | ✓ |
| **Storage** |  |  |
| Quantization | - | Scalar |
| On-disk vs in-memory | - | Disk-backed |
| **Scale** |  |  |
| Multi-tenancy (namespaces / collections / tenants) | ✓ | ✓ |
| Horizontal scale | - | Sharded / distributed |
| **Consistency** |  |  |
| Consistency | - | Tunable |
| **Licensing** |  |  |
| Licence class | Proprietary | Permissive OSS |
| **Classification** |  |  |
| Purpose-built vs feature-of-parent | Feature of parent | Dedicated DBMS |

*Source: Vioscale. Generated 2026-09-01T17:07:27.926Z. "-" = undocumented, not absent.*