Vellum AI Pro
Vellum AI Pro is an AI-powered Development tool — AI LLM development and evaluation tool. Best for: Code Generation & API Development. Pricing: Freemium (GateOnAI Score: 41/100).
AI LLM development and evaluation tool
Build, test, and compare language models within a single web interface. The platform lets users upload custom datasets, define evaluation prompts, and run batch inference against multiple LLM endpoints. Real‑time token usage and latency metrics appear beside each result, making it easy to spot performance bottlenecks. A built‑in prompt library supplies common benchmarks such as MMLU and TruthfulQA, while users can add private test suites. Results can be saved as versioned artifacts for later review.\nCollaborative workspaces let teams annotate outputs, flag failures, and discuss trade‑offs without leaving the tool. Integrated visualizations plot accuracy, perplexity, and cost across model versions, supporting quick side‑by‑side comparisons. Export options include CSV logs and JSON reports that feed directly into CI pipelines. The service supports OpenAI, Anthropic, Cohere, and self‑hosted endpoints via API keys, so developers can benchmark proprietary models alongside hosted ones. A free tier provides 5,000 prompt executions per month; paid plans raise limits, add private team spaces, and unlock advanced analytics dashboards.\nTypical users include AI researchers refining novel architectures, ML engineers validating prompt engineering strategies, and data scientists measuring cost‑effectiveness of third‑party APIs. The tool fits into iterative development cycles: generate a hypothesis, test it with a batch run, review visual metrics, and iterate. Because it stores each run as a reproducible record, audits satisfy compliance requirements for regulated environments. Documentation covers API integration steps, and responsive support handles endpoint authentication issues. Overall, Vellum AI Pro offers a focused environment for systematic LLM evaluation without requiring separate scripting frameworks.
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Works Well With
Tools that Vellum AI Pro genuinely connects with, based on real input/output compatibility data (not just shared category):
- Linear AI - AI issue tracking for software teams
- Confluence - AI team wiki and knowledge management
- Falcon AI - TII open-source AI language model
- Microsoft Teams AI - AI Copilot integrated into Microsoft Teams
- GitBook AI - AI documentation platform for technical teams
- Nuance DAX AI - AI ambient clinical documentation by Microsoft