Updated September 28, 2026 · DeployCue Editorial Team
Helicone vs Vellum
Compare Helicone and Vellum using recorded catalog facts and pricing.
What sets them apart
| Fact | Helicone | Vellum |
|---|---|---|
| Fee model | Subscription + usage-based credits at 0% markup on provider rates | Freemium subscription: free to download and start; Vellum Cloud plans $30/month (Mighty), $100/month (Super), $200/month (Ultra), plus a $10/mo base fee on Super and Ultra, and prepaid credits at $1 per credit, $1 = 1 credit; self-hosting free of platform fee |
| OpenAI-compatible API | Yes | Not confirmed |
Same on both: Bring your own key (Yes), Free tier (Yes).
Score breakdown
| Area | Helicone | Vellum |
|---|---|---|
| Cost | 9.20 | 9.20 |
| Offer | 9.30Higher | 9.00 |
| Trust | 8.70 | Not confirmed |
Availability and regulation
| Country | Helicone | Vellum |
|---|---|---|
| Headquarters | United States | United States |
Area by area
Helicone
- Cost9.2
- Offer9.3
Vellum
- Cost9.2
- Offer9.0
- Helicone and Vellum tie on cost at 9.2.
- Helicone leads on offer by 0.3 points (9.3 vs 9.0).
Every fact side by side
| Fact | Helicone | Vellum |
|---|---|---|
| Legal entity | Helicone, Inc | Not confirmed |
| Headquarters | United States | United States |
| Founded | 2023 | Not confirmed |
| Support channels | Email, Chat, Help centre, CommunityCovers more | Email, Help centre, Community |
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