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Overall score
3.4/ 5
SME Fit2/5
tiered pricing with step cliff + free tier
JTBD3/5
moderate JTBD clarity
Integration4/5
API + 8 integrations
Trust3/5
growing, founded 2022
Quality5/5
4.8 on G2 (30 reviews)
Compliance4/5
SOC 2 + GDPR
About
Vellum is an LLM development platform for building, testing, and deploying production AI features with prompt engineering, evaluation, and observability tools. Targets engineering teams shipping reliable AI applications.
Best for: Engineering teams building, evaluating, and deploying production-grade LLM apps.
Pricing
| Tier | Monthly | Annual /mo | Billing | Notes |
|---|---|---|---|---|
| Free | Free | Free | flat | 50 builder credits/mo; 1 seat; hosted agent apps; 20 docs knowledge base |
| Pro | $500 | $500 | flat | Production use; team collaboration; expanded credits · Pass-through model costs |
| Enterprise | — | — | flat | Custom credit bundles; dedicated Slack; DPA/BAA; custom contracts · Contact sales |
Key features
- Prompt engineering playground
- AB testing and evaluations
- RAG and document indexing
- workflow orchestration
- LLM observability and monitoring
Integrations
OpenAIAnthropicGoogle Vertex AIAWS BedrockCoherePineconeMongoDBSnowflake
Trust & compliance
- Founded
- 2022
- Status
- active
- SOC 2
- yes
- GDPR
- yes
- Data residency
- us
- External rating
- 4.8 on G2 (30 reviews)
- Last verified
- Apr 2026