EU-hosted, flat pricing from €29/mo, no SDK required. A direct comparison for builders who care about data residency and predictable costs.
Factual comparison based on publicly available documentation (March 2026). Always verify current pricing directly.
| Kronvex | Mem0 | |
|---|---|---|
| Pricing model | ✓ Flat monthly plans | Tiered + per-call overages |
| Free tier | ✓ Demo plan (1 agent, 100 memories) | ✓ Free tier available |
| Data residency | ✓ EU only — Frankfurt, Germany | ✕ US (AWS us-east-1 default) |
| GDPR-native | ✓ Built into architecture | ~ Enterprise add-on / manual config |
| Recall latency | <40ms p99 (HNSW index) | ~50–100ms (varies) |
| Setup time | ✓ <5 minutes to first memory | ~10–20 min (SDK + config) |
| SDK required | ✓ No — plain REST API (SDKs optional) | ✕ Python SDK strongly recommended |
| Graph memory | ✓ Native — GET /graph | ~ Pro+ only ($249/mo) |
| API surface | 3 endpoints (remember / recall / inject) | ~12 methods via SDK |
| Open source | ~ SDKs open source, API hosted | ✓ Core library open source |
| Confidence scoring | ✓ Similarity + recency + frequency | Similarity score only |
| Support | Email + async (solo-built) | Community + enterprise plans |
| Recall@1 accuracy (open benchmark) | ✓ 87% — methodology | not published |
Mem0 pricing jumps sharply when you need graph memory or higher volumes. Kronvex stays flat.
Not "better" in every dimension — just a different set of trade-offs that suit many builders better.
Every byte stays in Frankfurt (Supabase eu-central-1). No configuration required. If your users are in Europe or you need GDPR compliance, this is the setup that works out of the box — not a paid add-on.
From €29/mo you get 20,000 memories and all core features. No per-call billing. No memory overage charges. Scale your agent without watching a usage counter. The bill is always the same.
remember · recall · inject-context. That's the entire API. Call it from any language, any framework, any runtime — cURL, fetch, Python requests, PHP. No SDK installation required.
Recalled memories are ranked by a composite score: similarity × 0.6 + recency × 0.2 + frequency × 0.2. Frequently-recalled, recent memories surface first. Less noise in your context window.
The same use-case: store a user preference and recall it later. Two approaches.
import requests # ─── Configuration ─────────────────────────────────────────── BASE = "https://api.kronvex.io/api/v1" HEADERS = {"X-API-Key": "kv-your-key-here"} AGENT_ID = "agent-alice" # ─── Store a memory ────────────────────────────────────────── requests.post( f"{BASE}/agents/{AGENT_ID}/remember", headers=HEADERS, json={"content": "User prefers concise answers in French"} ) # ─── Recall relevant memories ──────────────────────────────── resp = requests.post( f"{BASE}/agents/{AGENT_ID}/recall", headers=HEADERS, json={"query": "user language preference", "top_k": 3} ) memories = resp.json()["memories"] # ─── Inject context into your prompt ───────────────────────── context = requests.post( f"{BASE}/agents/{AGENT_ID}/inject-context", headers=HEADERS, json={"query": "How should I respond to Alice?"} ).json()["context"] # ─── Use in your LLM call ───────────────────────────────────── system_prompt = f"You are a helpful assistant.\n\n{context}" # → "User prefers concise answers in French (confidence: 0.94)"
# pip install mem0ai from mem0 import MemoryClient # ─── Configuration ─────────────────────────────────────────── client = MemoryClient(api_key="your-mem0-api-key") # ─── Store a memory ────────────────────────────────────────── messages = [{ "role": "user", "content": "I prefer concise answers in French" }] client.add(messages, user_id="alice") # ─── Recall relevant memories ──────────────────────────────── memories = client.search( query="user language preference", user_id="alice" ) # ─── Build context manually ────────────────────────────────── context = "\n".join( m["memory"] for m in memories["results"] ) # ─── Use in your LLM call ───────────────────────────────────── system_prompt = f"You are a helpful assistant.\n\n{context}" # Note: no confidence scores, no inject-context endpoint
POST /api/v1/agents/{id}/remember — a simple loop over your export file. We can provide a migration script on request. Email hello@kronvex.io and we'll help you migrate at no charge.429 error — never silently charged. You'll receive an email alert before hitting the limit. You can upgrade your plan or delete old memories at any time from the dashboard. No surprise bills, ever.No credit card. No SDK install. Just an API key and three endpoints. EU-hosted by default.
Get your free API key →100 free memories. No credit card required.
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