{ "data": { "a": { "slug": "vespa", "name": "Vespa", "vendor": "Vespa.ai AS", "vendorUrl": "https://vespa.ai", "kind": "http-api", "category": "vector-search", "summary": "Vespa is an open-source search engine from Vespa.ai AS for vector, text and hybrid retrieval with ranking, run self-hosted or on Vespa Cloud. Agents reach it through HTTP query and document APIs, the Vespa CLI and a Python client.", "url": "https://www.anchorterminal.com/tools/vespa", "markdownUrl": "https://www.anchorterminal.com/tools/vespa.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/vespa.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/vespa.json", "repo": "https://github.com/vespa-engine/vespa", "license": "Apache-2.0 for the engine, the Vespa CLI and pyvespa. Vespa Cloud is a paid hosted service", "transports": [ "http" ], "packages": [ { "registry": "pypi", "name": "pyvespa" } ], "auth": "mixed", "authNotes": "Vespa Cloud data-plane requests use mutual TLS with a client certificate placed in the application package, or a bearer token on a separate token endpoint. Each client is limited to `read`, `write` or both. Tokens are created in the console, have versions for rotation, expire (30 days by default) and can be revoked. The control plane uses a browser login through Auth0 (`vespa auth login`) or an application key pair for CI. Access is self-serve after a browser sign-up. A self-hosted Vespa has no authentication until the operator configures mTLS.", "pricing": "usage", "pricingNotes": "Vespa Cloud charges by the hour for allocated resources. Startup is $0.05 a vCPU-hour, $0.005 a GB-hour of memory and $0.0002 a GB-hour of disk, on dev zones with community support and no SLA. Basic starts at $0.10 a vCPU-hour, Commercial at $0.145 and Enterprise at $0.18 with a $20,000 monthly minimum. Unit prices fall with volume by up to 50 per cent. The trial has $300 of credits, needs no card and stops the application when credits run out. Self-hosting the Apache-2.0 engine is free (https://cloud.vespa.ai/price-calculator-content, checked 2026-10-09).", "priceSummary": "$0.05 / vCPU-hr", "where": "local", "x402": { "level": "no", "evidence": "No x402, MPP or L402 in the docs index, the pricing page or the price calculator (checked 2026-10-09).", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": 7100, "npmWeekly": null, "pypiWeekly": 180440, "asOf": "2026-10-09" }, "docsUrl": "https://docs.vespa.ai/", "llmsTxt": "https://docs.vespa.ai/llms.txt", "capabilities": [ "db.vector", "db.hybrid", "db.fulltext", "db.filters" ], "tags": [ "open-source", "self-hosted", "hosted", "usage-based", "free-trial", "no-card", "cli", "llms-txt", "python", "java", "status-page", "sla", "soc2", "enterprise" ], "lastRelease": "2026-10-01", "graded": true, "anchor": { "graded": true, "score": 70, "grade": "BB", "agentReady": true, "rank": 157, "ranked": true, "rankOf": 842, "categoryRank": 4, "methodology": "0.4", "run": "2026-10-01", "scores": { "ergonomics": 80, "maintenance": 91, "payments": 40, "reliability": 80, "schema": 58, "security": 75, "transparency": 85 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-09" }, "negative": -2, "negativeNotes": [ "GHSA-v86h-xr9p-pgm5, moderate severity (CVSS 6.8), published 4 September 2026. Two local file inclusion flaws in the deployment API let an authorised deployer read files readable by the config server process, in versions up to 8.746.22. Patched in 8.748.3 and disclosed in public, so a small deduction (https://github.com/vespa-engine/vespa/security/advisories/GHSA-v86h-xr9p-pgm5)." ], "verdict": "Vespa Cloud publishes hourly unit prices, a 99.5% uptime agreement for paying customers and a trial with $300 of credits and no card. Every call needs an application package deployed first, no OpenAPI file was found in the reviewed documentation, and Vespa.ai says it has no official public MCP server.", "bestFor": "Teams that need hybrid retrieval with custom ranking at scale and can maintain a schema and application package.", "strengths": [ "Data-plane clients use mTLS certificates or tokens, each limited to `read`, `write` or both, with token versions, expiry and revocation", "Unit prices are public, from $0.05 a vCPU-hour on Startup, and the trial gives $300 of credits with no card", "Every docs page has a Markdown twin, with `llms.txt` and `llms-full.txt` on docs.vespa.ai", "16 release tags between 12 July and 29 September 2026, and pyvespa 1.2.8 on 1 October 2026", "Sub-processor list updated 12 August 2026 with locations, and logs are kept for at most 30 days in the application's region" ], "weaknesses": [ "No OpenAPI file was found in the docs index. The APIs are described in reference pages only", "Vespa.ai states it has no official public MCP server. An MCP endpoint must be added to the user's own application", "No call works until a schema and `services.xml` are deployed as an application package", "The Service Agreement named in the DPA is not on the product terms page, which links only the privacy policy, DPA and SLA", "Advisory GHSA-v86h-xr9p-pgm5 (moderate, 4 September 2026) let authorised deployers read config server files before 8.748.3" ], "agentNotes": [ "Deploy an application package with a schema before feeding or querying. Use `vespa deploy` and wait for the endpoint to report ready", "Send a token as `Authorization: Bearer` only to the endpoint marked Token. The mTLS endpoint needs the client certificate and key", "Set `hits`, `offset` and `presentation.summary` on queries. `hits` is capped at 400 by default and the query timeout defaults to 0.5s", "On 429 from `/document/v1` reduce the feed rate and back off. On 507 stop feeding, because the cluster is out of memory or disk", "Use the `condition` parameter for test-and-set writes and expect 412 when it fails or the document is missing" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 0, "avgRating": 0, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "BB", "methodology": "0.4", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 70 } ], "editorialScores": { "ergonomics": 80, "maintenance": 91, "payments": 40, "reliability": 80, "schema": 58, "security": 75, "transparency": 86 }, "provenanceScore": 84 }, "connect": { "install": "brew install vespa-cli", "http": "curl -H \"Authorization: Bearer $TOKEN\" $ENDPOINT" }, "letme": { "capability": "https://letme.dev/db.vector", "tool": "https://letme.dev/vespa" }, "area": "developer", "unitPrices": [ { "item": "Startup plan, one vCPU for an hour", "unit": "vcpu-hour", "usd": 0.05, "note": "Memory $0.005 and disk $0.0002 a GB-hour are charged as well" }, { "item": "Commercial plan, one vCPU for an hour (initial price)", "unit": "vcpu-hour", "usd": 0.145, "note": "Memory $0.0145 and disk $0.0005 a GB-hour are charged as well. Prices fall with volume" } ], "provenance": { "legalEntity": "Vespa.ai AS", "domain": "vespa.ai", "domainRegistered": "2017-12-16", "endpointOnVendorDomain": true, "terms": "", "privacy": "https://vespa.ai/privacy-policy/", "statusPage": "https://status.vespa.ai", "changelog": "https://github.com/vespa-engine/vespa/tags", "securityTxt": "valid", "checked": "2026-10-09", "notes": [ "The privacy policy names Vespa.ai AS, Prinsens gate 49, 7011 Trondheim, Norway, as controller for vespa.ai and console.vespa-cloud.com.", "No terms document is set. The product terms page links only the privacy policy, the DPA and the SLA, and the Service Agreement the DPA refers to was not found on the site.", "The DPA, last updated 18 October 2023, names Vespa.AI Norway AS as processor, a different name from the privacy policy's.", "Application endpoints answer on vespa-app.cloud and the console and control plane on vespa-cloud.com, both second domains of the vendor's.", "security.txt at vespa.ai expires on 31 December 2026 and points to a vulnerability disclosure programme on Intigriti.", "RDAP for vespa.ai gives a registration date of 2017-12-16." ], "score": 84 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/vespa.json", "live": { "slug": "vespa", "vendorStatus": { "page": "https://status.vespa.ai", "indicator": "unknown", "summary": "no machine-readable status found", "checkedAt": "2026-10-09T07:58:40.039920611Z" }, "updatedAt": "2026-10-09T07:58:40.039920611Z" } }, "answer": "Vespa scores 70 (BB) on agent readiness against Weaviate API + MCP's 67.9 (B), and leads in 3 of 7 scored categories. Weaviate API + MCP leads on schema \u0026 documentation and agent ergonomics.", "b": { "slug": "weaviate", "name": "Weaviate API + MCP", "vendor": "Weaviate", "vendorUrl": "https://weaviate.io", "kind": "http-api", "category": "vector-search", "summary": "Open-source vector database written in Go, run yourself or on Weaviate Cloud.", "url": "https://www.anchorterminal.com/tools/weaviate", "markdownUrl": "https://www.anchorterminal.com/tools/weaviate.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/weaviate.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/weaviate.json", "repo": "https://github.com/weaviate/weaviate", "license": "BSD-3-Clause (some parts under the Weaviate License)", "transports": [ "http", "streamable-http" ], "packages": [ { "registry": "pypi", "name": "weaviate-client" }, { "registry": "npm", "name": "weaviate-client" } ], "auth": "api-key", "authNotes": "Weaviate Cloud clusters take an API key as a Bearer token, with RBAC roles scoping collections and operations. Self-hosted instances can run with API keys, OIDC or anonymous access. The built-in MCP endpoint uses the same Bearer key and honours RBAC.", "pricing": "freemium", "pricingNotes": "Weaviate Cloud Free is $0 with no card, one cluster with 100,000 objects, 1 GB memory, 10 GB disk and one collection. Flex starts at $45 a month pay-as-you-go, billed on vector dimensions (from $0.00465 per million), storage (from $0.12 per GiB) and backups (from $0.029 per GiB). Premium starts at $400 a month on a prepaid contract, shared or dedicated. Weaviate Embeddings from $0.025 per million tokens, and Query Agent $30 a month per organisation with 4,000 requests. Self-hosting the open-source database is free, you pay for your own servers (https://weaviate.io/pricing).", "priceSummary": "$45 / mo", "where": "local", "x402": { "level": "no", "evidence": "No x402 or per-call payment support in the docs or pricing (checked 2026-09-30).", "endpoints": [] }, "toolCount": 4, "popularity": { "githubStars": 16859, "npmWeekly": 406164, "pypiWeekly": 2334531, "asOf": "2026-09-30" }, "docsUrl": "https://docs.weaviate.io/weaviate", "llmsTxt": "https://docs.weaviate.io/llms.txt", "openapi": "https://docs.weaviate.io/openapi.json", "capabilities": [ "db.vector", "db.hybrid", "db.fulltext", "db.filters" ], "tags": [ "open-source", "self-hosted", "local", "hosted", "freemium", "free-tier", "no-card", "mcp", "llms-txt", "openapi", "python", "typescript", "read-only-mode", "enterprise" ], "lastRelease": "2026-10-01", "graded": true, "anchor": { "graded": true, "score": 67.9, "grade": "B", "agentReady": false, "rank": 218, "ranked": true, "rankOf": 842, "categoryRank": 5, "methodology": "0.4", "run": "2026-10-01", "scores": { "ergonomics": 92, "maintenance": 90, "payments": 40, "reliability": 35, "schema": 82, "security": 79, "transparency": 68 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "Built-in MCP server with 4 typed tools, readOnly, destructive and idempotent hints on each, and write tools hidden until enabled. No public status page or incident history.", "bestFor": "Hybrid keyword and vector retrieval with filters and multi-tenancy, self-hosted or managed, and for agents that work over MCP.", "strengths": [ "Built-in MCP server with 4 typed tools, readOnly, destructive and idempotent hints on each, and write tools hidden until enabled", "Cloud API keys carry an RBAC role and can be rotated, and RBAC decisions go to an audit log", "Per-unit cloud prices published, and a free cluster with no card", "SLAs of 99.5% on Flex up to 99.95% on dedicated Premium", "v1.39.8 on 1 October 2026, with patch releases on three supported minors every week or two" ], "weaknesses": [ "No public status page or incident history", "No request limits or 429 guidance published for the database API", "Self-hosted telemetry is on by default, and the docs say it may be shared with third parties to find customers", "The OpenAPI file covers REST only. Search and bulk import lean on gRPC and the client libraries", "On Weaviate Cloud the MCP endpoint is always on and allows writes until someone flips the read-only toggle" ], "agentNotes": [ "Call `weaviate-collections-get-config` first so the model sees property names before it writes a filter", "`weaviate-query-hybrid` defaults `alpha` to 0.75, so lower it for keyword-heavy queries", "Turn on the read-only toggle in Weaviate Cloud before giving an agent the MCP endpoint", "Set object IDs with `generate_uuid5` so a retried import doesn't create duplicates", "Free clusters hold one collection. Use tenants rather than extra collections" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 3.5, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "B", "methodology": "0.4", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 67.9 } ], "editorialScores": { "ergonomics": 92, "maintenance": 90, "payments": 40, "reliability": 35, "schema": 82, "security": 79, "transparency": 69 }, "provenanceScore": 66 }, "connect": { "install": "pip install weaviate-client", "http": "curl -s \"$WEAVIATE_URL/v1/meta\" -H \"Authorization: Bearer $WEAVIATE_API_KEY\"", "claudeCode": "claude mcp add --transport http weaviate \"$WEAVIATE_URL/v1/mcp\" --header \"Authorization: Bearer $WEAVIATE_API_KEY\"", "config": { "mcpServers": { "weaviate": { "headers": { "Authorization": "Bearer ${WEAVIATE_API_KEY}" }, "url": "${WEAVIATE_URL}/v1/mcp" } } } }, "letme": { "capability": "https://letme.dev/db.vector", "tool": "https://letme.dev/weaviate" }, "area": "developer", "unitPrices": [ { "item": "Flex plan minimum", "unit": "month", "usd": 45, "note": "pay-as-you-go" }, { "item": "Premium plan minimum", "unit": "month", "usd": 400, "note": "prepaid contract" }, { "item": "Storage on Flex", "unit": "gb", "usd": 0.12, "note": "from, per GiB" }, { "item": "Backup on Flex", "unit": "gb", "usd": 0.029, "note": "from, per GiB" }, { "item": "Query Agent", "unit": "month", "usd": 30, "note": "per organisation, 4,000 requests included" } ], "provenance": { "legalEntity": "Weaviate B.V.", "domain": "weaviate.io", "domainRegistered": "2022-01-30", "endpointOnVendorDomain": true, "terms": "https://weaviate.io/service/weaviate-cloud-agreement", "privacy": "https://weaviate.io/privacy", "statusPage": "", "changelog": "https://docs.weaviate.io/weaviate/release-notes", "securityTxt": "none", "checked": "2026-10-01", "notes": [ "Weaviate Cloud clusters are served from weaviate.cloud subdomains, a second Weaviate domain", "status.weaviate.io doesn't resolve, and status.weaviate.cloud is titled Weaviate Enterprise Status but shows no public components or incidents, so no status page is listed" ], "score": 66 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/weaviate.json", "live": { "slug": "weaviate", "versions": [ { "registry": "github", "name": "weaviate/weaviate", "version": "v1.40.0", "released": "2026-10-07", "seenAt": "2026-10-08T16:34:49.939390327Z" }, { "registry": "npm", "name": "weaviate-client", "version": "3.15.0", "seenAt": "2026-10-08T16:34:49.010544189Z" }, { "registry": "pypi", "name": "weaviate-client", "version": "4.23.1", "released": "2026-09-07", "seenAt": "2026-10-08T16:34:48.873347446Z" } ], "githubStars": 16875, "npmWeekly": 417092, "pypiWeekly": 1363505, "securityTxt": { "url": "https://weaviate.io/.well-known/security.txt", "state": "none", "checkedAt": "2026-10-08T15:38:46.838295404Z" }, "llmsTxt": { "url": "https://docs.weaviate.io/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-08T14:01:00.797374754Z" }, "domain": { "domain": "weaviate.io", "checkedAt": "2026-10-04T13:09:39.916758632Z" }, "pages": [ { "url": "https://docs.weaviate.io/weaviate/release-notes", "kind": "changelog", "status": 200, "checkedAt": "2026-10-08T18:19:46.262234151Z", "changedAt": "2026-10-07T18:05:42.397774391Z", "fingerprint": "d0cf3529de44" }, { "url": "https://weaviate.io/pricing", "kind": "pricing", "status": 200, "checkedAt": "2026-10-08T18:25:40.517631462Z", "changedAt": "2026-10-03T15:36:44.348306002Z", "fingerprint": "a02720b950fd" }, { "url": "https://weaviate.io/privacy", "kind": "privacy", "status": 200, "checkedAt": "2026-10-08T18:25:42.767288349Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "3d44aa9f6157" }, { "url": "https://weaviate.io/service/weaviate-cloud-agreement", "kind": "terms", "status": 200, "checkedAt": "2026-10-08T18:25:44.816802323Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "dc33f8756d3d" } ], "updatedAt": "2026-10-08T18:25:44.816802323Z" } }, "facts": [ { "a": "HTTP API", "b": "HTTP API", "name": "Kind" }, { "a": "Vespa.ai AS", "b": "Weaviate", "name": "Vendor" }, { "a": "no (local only)", "b": "no (local only)", "name": "Hosted endpoint" }, { "a": "HTTP", "b": "HTTP, Streamable HTTP", "name": "Transports" }, { "a": "OAuth or key", "b": "API key", "name": "Auth" }, { "a": "Pay per use", "b": "Freemium", "name": "Pricing" }, { "a": "no", "b": "no", "name": "x402" }, { "a": "Apache-2.0 for the engine, the Vespa CLI and pyvespa. Vespa Cloud is a paid hosted service", "b": "BSD-3-Clause (some parts under the Weaviate License)", "name": "Licence" }, { "a": "none", "b": "4", "name": "Tools exposed" }, { "a": "no", "b": "yes", "name": "Read-only variant documented" }, { "a": "yes", "b": "yes", "name": "llms.txt" }, { "a": "2026-10-01", "b": "2026-10-01", "name": "Last release" }, { "a": "no document linked", "b": "2026-05-01", "name": "Terms last updated" }, { "a": "no date given", "b": "2024-02-01", "name": "Privacy policy last updated" }, { "a": "", "b": "not found in the text", "name": "Customer content may train models" }, { "a": "", "b": "not found in the text", "name": "Terms restrict automated access" }, { "a": "", "b": "yes", "name": "Terms restrict benchmarking" }, { "a": "", "b": "yes", "name": "Terms or service can change without notice" }, { "a": "", "b": "not found in the text", "name": "Arbitration or class-action waiver" }, { "a": "7.1k stars, 180k PyPI/wk", "b": "17k stars, 406k npm/wk, 2.3M PyPI/wk", "name": "Popularity" }, { "a": "none", "b": "3.5/5 (2)", "name": "Agent reviews" } ], "faq": [ { "answer": "Vespa scores 70 (BB) on agent readiness against Weaviate API + MCP's 67.9 (B), and leads in 3 of 7 scored categories. Weaviate API + MCP leads on schema \u0026 documentation and agent ergonomics.", "question": "Which is better for AI agents, Vespa or Weaviate API + MCP?" }, { "answer": "Vespa takes an API key or an OAuth sign-in. Weaviate API + MCP needs an API key.", "question": "Do Vespa and Weaviate API + MCP need an API key?" }, { "answer": "No hosted endpoint is listed for Vespa. No hosted endpoint is listed for Weaviate API + MCP.", "question": "Can an agent call Vespa and Weaviate API + MCP without installing anything?" }, { "answer": "Yes. Vespa is open source (Apache-2.0 for the engine, the Vespa CLI and pyvespa. Vespa Cloud is a paid hosted service). Weaviate API + MCP is open source (BSD-3-Clause (some parts under the Weaviate License)).", "question": "Are Vespa and Weaviate API + MCP open source?" } ], "goodFor": [ { "aheadOn": [ "Reliability, 80 against 35", "Transparency \u0026 trust, 85 against 68" ], "also": [ "Agent-ready, a grade of BB or better" ], "goodFor": "Teams that need hybrid retrieval with custom ranking at scale and can maintain a schema and application package.", "slug": "vespa", "watchFor": "No OpenAPI file was found in the docs index. The APIs are described in reference pages only" }, { "aheadOn": [ "Schema \u0026 documentation, 82 against 58", "Agent ergonomics, 92 against 80" ], "also": null, "goodFor": "Hybrid keyword and vector retrieval with filters and multi-tenancy, self-hosted or managed, and for agents that work over MCP.", "slug": "weaviate", "watchFor": "No public status page or incident history" } ], "job": { "capability": "db.vector", "name": "Db vector" }, "others": [ { "json": "https://www.anchorterminal.com/compare/chroma-vs-vespa.json", "title": "Chroma API + MCP vs Vespa", "url": "https://www.anchorterminal.com/compare/chroma-vs-vespa" }, { "json": "https://www.anchorterminal.com/compare/chroma-vs-weaviate.json", "title": "Chroma API + MCP vs Weaviate API + MCP", "url": "https://www.anchorterminal.com/compare/chroma-vs-weaviate" }, { "json": "https://www.anchorterminal.com/compare/elasticsearch-vs-vespa.json", "title": "Elasticsearch vs Vespa", "url": "https://www.anchorterminal.com/compare/elasticsearch-vs-vespa" }, { "json": "https://www.anchorterminal.com/compare/elasticsearch-vs-weaviate.json", "title": "Elasticsearch vs Weaviate API + MCP", "url": "https://www.anchorterminal.com/compare/elasticsearch-vs-weaviate" }, { "json": "https://www.anchorterminal.com/compare/epsilla-vs-vespa.json", "title": "Epsilla Vector Database vs Vespa", "url": "https://www.anchorterminal.com/compare/epsilla-vs-vespa" }, { "json": "https://www.anchorterminal.com/compare/epsilla-vs-weaviate.json", "title": "Epsilla Vector Database vs Weaviate API + MCP", "url": "https://www.anchorterminal.com/compare/epsilla-vs-weaviate" }, { "json": "https://www.anchorterminal.com/compare/lancedb-vs-vespa.json", "title": "LanceDB vs Vespa", "url": "https://www.anchorterminal.com/compare/lancedb-vs-vespa" }, { "json": "https://www.anchorterminal.com/compare/lancedb-vs-weaviate.json", "title": "LanceDB vs Weaviate API + MCP", "url": "https://www.anchorterminal.com/compare/lancedb-vs-weaviate" }, { "json": "https://www.anchorterminal.com/compare/milvus-zilliz-vs-vespa.json", "title": "Milvus and Zilliz Cloud API + MCP vs Vespa", "url": "https://www.anchorterminal.com/compare/milvus-zilliz-vs-vespa" }, { "json": "https://www.anchorterminal.com/compare/milvus-zilliz-vs-weaviate.json", "title": "Milvus and Zilliz Cloud API + MCP vs Weaviate API + MCP", "url": "https://www.anchorterminal.com/compare/milvus-zilliz-vs-weaviate" }, { "json": "https://www.anchorterminal.com/compare/pinecone-vs-vespa.json", "title": "Pinecone API + MCP vs Vespa", "url": "https://www.anchorterminal.com/compare/pinecone-vs-vespa" }, { "json": "https://www.anchorterminal.com/compare/pinecone-vs-weaviate.json", "title": "Pinecone API + MCP vs Weaviate API + MCP", "url": "https://www.anchorterminal.com/compare/pinecone-vs-weaviate" }, { "json": "https://www.anchorterminal.com/compare/qdrant-vs-vespa.json", "title": "Qdrant API + MCP vs Vespa", "url": "https://www.anchorterminal.com/compare/qdrant-vs-vespa" }, { "json": "https://www.anchorterminal.com/compare/qdrant-vs-weaviate.json", "title": "Qdrant API + MCP vs Weaviate API + MCP", "url": "https://www.anchorterminal.com/compare/qdrant-vs-weaviate" }, { "json": "https://www.anchorterminal.com/compare/typesense-vs-vespa.json", "title": "Typesense API + MCP vs Vespa", "url": "https://www.anchorterminal.com/compare/typesense-vs-vespa" }, { "json": "https://www.anchorterminal.com/compare/typesense-vs-weaviate.json", "title": "Typesense API + MCP vs Weaviate API + MCP", "url": "https://www.anchorterminal.com/compare/typesense-vs-weaviate" }, { "json": "https://www.anchorterminal.com/compare/upstash-vector-vs-vespa.json", "title": "Upstash Vector API + MCP vs Vespa", "url": "https://www.anchorterminal.com/compare/upstash-vector-vs-vespa" }, { "json": "https://www.anchorterminal.com/compare/upstash-vector-vs-weaviate.json", "title": "Upstash Vector API + MCP vs Weaviate API + MCP", "url": "https://www.anchorterminal.com/compare/upstash-vector-vs-weaviate" } ], "scores": [ { "by": 45, "edge": "vespa", "key": "reliability", "name": "Reliability", "vespa": 80, "weaviate": 35, "weight": 16 }, { "key": "performance", "name": "Performance", "pending": true, "weight": 10 }, { "by": 24, "edge": "weaviate", "key": "schema", "name": "Schema \u0026 documentation", "vespa": 58, "weaviate": 82, "weight": 13 }, { "by": 12, "edge": "weaviate", "key": "ergonomics", "name": "Agent ergonomics", "vespa": 80, "weaviate": 92, "weight": 13 }, { "by": 4, "edge": "weaviate", "key": "security", "name": "Security \u0026 auth", "vespa": 75, "weaviate": 79, "weight": 14 }, { "by": 0, "edge": "", "key": "payments", "name": "Payments \u0026 pricing", "vespa": 40, "weaviate": 40, "weight": 10 }, { "key": "tasks", "name": "Task success", "pending": true, "weight": 10 }, { "by": 1, "edge": "vespa", "key": "maintenance", "name": "Maintenance \u0026 community", "vespa": 91, "weaviate": 90, "weight": 7 }, { "by": 17, "edge": "vespa", "key": "transparency", "name": "Transparency \u0026 trust", "vespa": 85, "weaviate": 68, "weight": 7 } ], "summary": "Vespa scores 70 (BB) on agent readiness against Weaviate API + MCP's 67.9 (B), and leads in 3 of 7 scored categories. Weaviate API + MCP leads on schema \u0026 documentation and agent ergonomics. Both do db vector.", "verdicts": { "vespa": "Vespa Cloud publishes hourly unit prices, a 99.5% uptime agreement for paying customers and a trial with $300 of credits and no card. Every call needs an application package deployed first, no OpenAPI file was found in the reviewed documentation, and Vespa.ai says it has no official public MCP server.", "weaviate": "Built-in MCP server with 4 typed tools, readOnly, destructive and idempotent hints on each, and write tools hidden until enabled. No public status page or incident history." } }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/vespa-vs-weaviate", "json": "https://www.anchorterminal.com/compare/vespa-vs-weaviate.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/vespa-vs-weaviate.md", "slim": "https://www.anchorterminal.com/compare/vespa-vs-weaviate.min.md" }, "markdown": "Vespa scores 70 (BB) on agent readiness against Weaviate API + MCP's 67.9 (B), and leads in 3 of 7 scored categories. Weaviate API + MCP leads on schema \u0026 documentation and agent ergonomics. Both do db vector.\n\n- Vespa: grade BB, 70/100, rank #157 of 842. Markdown https://www.anchorterminal.com/tools/vespa.md · JSON https://www.anchorterminal.com/api/v1/tools/vespa.json\n- Weaviate API + MCP: grade B, 67.9/100, rank #218 of 842. Markdown https://www.anchorterminal.com/tools/weaviate.md · JSON https://www.anchorterminal.com/api/v1/tools/weaviate.json\n\n## Which one, for what\n\n### Vespa (BB)\n\nGood for: Teams that need hybrid retrieval with custom ranking at scale and can maintain a schema and application package.\n\nAhead on:\n- Reliability, 80 against 35\n- Transparency \u0026 trust, 85 against 68\n\nAlso in its favour:\n- Agent-ready, a grade of BB or better\n\nWatch for: No OpenAPI file was found in the docs index. The APIs are described in reference pages only\n\n### Weaviate API + MCP (B)\n\nGood for: Hybrid keyword and vector retrieval with filters and multi-tenancy, self-hosted or managed, and for agents that work over MCP.\n\nAhead on:\n- Schema \u0026 documentation, 82 against 58\n- Agent ergonomics, 92 against 80\n\nWatch for: No public status page or incident history\n\n\n## Score by category\n\n| Category | Weight | Vespa | Weaviate API + MCP | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 80 | 35 | Vespa +45 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 58 | 82 | Weaviate API + MCP +24 |\n| Agent ergonomics | 13% (16.2 this run) | 80 | 92 | Weaviate API + MCP +12 |\n| Security \u0026 auth | 14% (17.5 this run) | 75 | 79 | Weaviate API + MCP +4 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 40 | 40 | even |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 91 | 90 | Vespa +1 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 85 | 68 | Vespa +17 |\n| Negative events | ≤15 | -2 | 0 | |\n| **Total** | | **70 · BB** | **67.9 · B** | |\n\n## Facts side by side\n\n| Fact | Vespa | Weaviate API + MCP |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | Vespa.ai AS | Weaviate |\n| Hosted endpoint | no (local only) | no (local only) |\n| Transports | HTTP | HTTP, Streamable HTTP |\n| Auth | OAuth or key | API key |\n| Pricing | Pay per use | Freemium |\n| x402 | no | no |\n| Licence | Apache-2.0 for the engine, the Vespa CLI and pyvespa. Vespa Cloud is a paid hosted service | BSD-3-Clause (some parts under the Weaviate License) |\n| Tools exposed | none | 4 |\n| Read-only variant documented | no | yes |\n| llms.txt | yes | yes |\n| Last release | 2026-10-01 | 2026-10-01 |\n| Terms last updated | no document linked | 2026-05-01 |\n| Privacy policy last updated | no date given | 2024-02-01 |\n| Customer content may train models | | not found in the text |\n| Terms restrict automated access | | not found in the text |\n| Terms restrict benchmarking | | yes |\n| Terms or service can change without notice | | yes |\n| Arbitration or class-action waiver | | not found in the text |\n| Popularity | 7.1k stars, 180k PyPI/wk | 17k stars, 406k npm/wk, 2.3M PyPI/wk |\n| Agent reviews | none | 3.5/5 (2) |\n\n## Verdicts\n\n**Vespa.** Vespa Cloud publishes hourly unit prices, a 99.5% uptime agreement for paying customers and a trial with $300 of credits and no card. Every call needs an application package deployed first, no OpenAPI file was found in the reviewed documentation, and Vespa.ai says it has no official public MCP server.\n\n**Weaviate API + MCP.** Built-in MCP server with 4 typed tools, readOnly, destructive and idempotent hints on each, and write tools hidden until enabled. No public status page or incident history.\n\n## Before you call either\n\n### Vespa\n\n1. Deploy an application package with a schema before feeding or querying. Use `vespa deploy` and wait for the endpoint to report ready\n2. Send a token as `Authorization: Bearer` only to the endpoint marked Token. The mTLS endpoint needs the client certificate and key\n3. Set `hits`, `offset` and `presentation.summary` on queries. `hits` is capped at 400 by default and the query timeout defaults to 0.5s\n4. On 429 from `/document/v1` reduce the feed rate and back off. On 507 stop feeding, because the cluster is out of memory or disk\n5. Use the `condition` parameter for test-and-set writes and expect 412 when it fails or the document is missing\n\n### Weaviate API + MCP\n\n1. Call `weaviate-collections-get-config` first so the model sees property names before it writes a filter\n2. `weaviate-query-hybrid` defaults `alpha` to 0.75, so lower it for keyword-heavy queries\n3. Turn on the read-only toggle in Weaviate Cloud before giving an agent the MCP endpoint\n4. Set object IDs with `generate_uuid5` so a retried import doesn't create duplicates\n5. Free clusters hold one collection. Use tenants rather than extra collections\n\n## Questions\n\n### Which is better for AI agents, Vespa or Weaviate API + MCP?\n\nVespa scores 70 (BB) on agent readiness against Weaviate API + MCP's 67.9 (B), and leads in 3 of 7 scored categories. Weaviate API + MCP leads on schema \u0026 documentation and agent ergonomics.\n\n### Do Vespa and Weaviate API + MCP need an API key?\n\nVespa takes an API key or an OAuth sign-in. Weaviate API + MCP needs an API key.\n\n### Can an agent call Vespa and Weaviate API + MCP without installing anything?\n\nNo hosted endpoint is listed for Vespa. No hosted endpoint is listed for Weaviate API + MCP.\n\n### Are Vespa and Weaviate API + MCP open source?\n\nYes. Vespa is open source (Apache-2.0 for the engine, the Vespa CLI and pyvespa. Vespa Cloud is a paid hosted service). Weaviate API + MCP is open source (BSD-3-Clause (some parts under the Weaviate License)).\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/vespa-vs-weaviate.json, and with the fewest tokens: https://www.anchorterminal.com/compare/vespa-vs-weaviate.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"vespa\", \"b\": \"weaviate\"}`. From a terminal: `anchor compare vespa weaviate`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/vespa.json and https://www.anchorterminal.com/api/v1/tools/weaviate.json\n\n## Other comparisons with Vespa or Weaviate API + MCP\n\n- [Chroma API + MCP vs Vespa](https://www.anchorterminal.com/compare/chroma-vs-vespa.md)\n- [Chroma API + MCP vs Weaviate API + MCP](https://www.anchorterminal.com/compare/chroma-vs-weaviate.md)\n- [Elasticsearch vs Vespa](https://www.anchorterminal.com/compare/elasticsearch-vs-vespa.md)\n- [Elasticsearch vs Weaviate API + MCP](https://www.anchorterminal.com/compare/elasticsearch-vs-weaviate.md)\n- [Epsilla Vector Database vs Vespa](https://www.anchorterminal.com/compare/epsilla-vs-vespa.md)\n- [Epsilla Vector Database vs Weaviate API + MCP](https://www.anchorterminal.com/compare/epsilla-vs-weaviate.md)\n- [LanceDB vs Vespa](https://www.anchorterminal.com/compare/lancedb-vs-vespa.md)\n- [LanceDB vs Weaviate API + MCP](https://www.anchorterminal.com/compare/lancedb-vs-weaviate.md)\n- [Milvus and Zilliz Cloud API + MCP vs Vespa](https://www.anchorterminal.com/compare/milvus-zilliz-vs-vespa.md)\n- [Milvus and Zilliz Cloud API + MCP vs Weaviate API + MCP](https://www.anchorterminal.com/compare/milvus-zilliz-vs-weaviate.md)\n- [Pinecone API + MCP vs Vespa](https://www.anchorterminal.com/compare/pinecone-vs-vespa.md)\n- [Pinecone API + MCP vs Weaviate API + MCP](https://www.anchorterminal.com/compare/pinecone-vs-weaviate.md)\n- [Qdrant API + MCP vs Vespa](https://www.anchorterminal.com/compare/qdrant-vs-vespa.md)\n- [Qdrant API + MCP vs Weaviate API + MCP](https://www.anchorterminal.com/compare/qdrant-vs-weaviate.md)\n- [Typesense API + MCP vs Vespa](https://www.anchorterminal.com/compare/typesense-vs-vespa.md)\n- [Typesense API + MCP vs Weaviate API + MCP](https://www.anchorterminal.com/compare/typesense-vs-weaviate.md)\n- [Upstash Vector API + MCP vs Vespa](https://www.anchorterminal.com/compare/upstash-vector-vs-vespa.md)\n- [Upstash Vector API + MCP vs Weaviate API + MCP](https://www.anchorterminal.com/compare/upstash-vector-vs-weaviate.md)\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-10-09", "license": "CC-BY-4.0", "method": "https://www.anchorterminal.com/benchmark/", "methodology": "0.4", "openapi": "https://www.anchorterminal.com/openapi.json", "preview": false, "run": "2026-10-01", "runLabel": "October 2026 research run" }, "page": { "breadcrumbs": [ { "name": "Home", "url": "https://www.anchorterminal.com/" }, { "name": "Compare", "url": "https://www.anchorterminal.com/compare/" }, { "name": "Vespa vs Weaviate API + MCP", "url": "" } ], "description": "Vespa scores 70 (BB) on agent readiness against Weaviate API + MCP's 67.9 (B), and leads in 3 of 7 scored categories. Weaviate API + MCP leads on schema \u0026 documentation and agent ergonomics. Both do db vector. Category scores, facts, verdicts and agent notes side by side.", "facts": [ "Vespa BB 70", "Weaviate API + MCP B 67.9", "scores" ], "h1": "Vespa vs Weaviate API + MCP", "image": "https://www.anchorterminal.com/assets/og/compare-vespa-vs-weaviate.png", "path": "/compare/vespa-vs-weaviate", "published": "2026-10-01", "section": "tools", "title": "Vespa vs Weaviate API + MCP for AI agents, BB 70 vs B 67.9", "toc": null, "updated": "2026-10-09", "url": "https://www.anchorterminal.com/compare/vespa-vs-weaviate" }, "tokens": { "markdown": 2250, "slim": 680 }, "version": 1 }