Axiome Semantic Layer vs Definite
Axiome Semantic Layer
axiome.ccDefinite
definite.appSide by side
| Figure | Axiome Semantic Layer | Definite |
|---|---|---|
| Price from | — | $250/mo |
| Free plan | — | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| API | — | Yes |
| Self-hosted | — | Yes |
| Plans published | 1 | 3 |
| Spec score · Semantic Layer Software | 7.4 (#20) | 8.3 (#9) |
| AI analyst | Axi answers questions in plain language and builds or edits dashboard charts using the governed semantic-layer definitions. | Fi accepts questions in plain English and can build data apps with filters, KPIs, tables, and charts. |
| Integrations | The connections page names native BigQuery and PostgreSQL connectors; it says more sources are on the way. | The integrations directory lists 525 sources and names Salesforce, Stripe, PostgreSQL, Shopify, and Google Analytics among popular sources. |
Plans
In their own words
Axiome Semantic Layer
Axiome Semantic Layer has no write-up on Specifiction yet; its figures are above.
Definite
Definite combines data connectors, storage, modeling, business intelligence, and an AI analyst in one data platform. Its analyst, Fi, takes plain-English questions and can build data apps with filters, KPIs, tables, and charts. The integrations directory lists 525 sources, including Salesforce, Stripe, PostgreSQL, Shopify, and Google Analytics. Pipelines ingest CSV, Parquet, JSON, and NDJSON files, and support log-based change data capture for Postgres, MySQL, and Oracle where supported. Definite also supports MCP clients such as Claude, ChatGPT, and Cursor, providing schema, lineage, and semantic context. Users can build custom data applications and search millions of rows in a browser using DuckDB-Wasm. Security measures include TLS 1.2+ encryption in transit, AES-256 encryption at rest, and role-based access controls. The Free plan has two users, two connectors, 1 GB of storage, five monthly credits, and daily sync. Standard costs $250 a month and includes 100 monthly credits and hourly sync. Enterprise pricing is custom and not listed.