Compare · llm & agent observability
Helicone vs LangSmith pricing
At 1M traces/month, Helicone is the cheaper list price ($243 vs $4,989).
| Helicone | LangSmith | |
|---|---|---|
| Free tier | Hobby: 10K requests/month, 1 GB storage, 1 seat, 7-day retention. | Developer: $0, 1 seat, 5K base traces/month, then pay-as-you-go. |
| Billing unit (LLM & agent observability) | requests | traces |
| First paid plan | Pro: $79/mo | Plus: $39 / seat / mo |
| Pricing data | Published pricing | Published pricing |
| Company status | Maintenance mode | Active |
| Open source / self-host | Yes / Yes | No / No |
| Last checked | 2026-10-19 | 2026-10-19 |
LLM & agent observability: estimated monthly cost
| traces / month | Helicone | LangSmith |
|---|---|---|
| 100K | $133 Pro | $489 Plus (1 seat) |
| 1M | $243 Pro | $4,989 Plus (1 seat) |
| 10M | $615 Pro | $49,989 Plus (1 seat) |
Estimate, check vendor page. Figures are list prices computed from publicly posted pricing on the "last checked" date. They exclude taxes, discounts, add-ons, seats and contract terms unless stated. Always confirm on the vendor's own pricing page.
Plans side by side
| Helicone | |
|---|---|
| Hobby | Free |
| Pro | $79/mo 10K requests free + usage-based |
| Team | $799/mo |
| Enterprise | Contact sales |
| LangSmith | |
|---|---|
| Developer | $0 / seat Max 1 seat, 5K base traces/mo |
| Plus | $39 / seat / mo 10K traces included, then 0.005 LSU ($0.005) per additional base trace |
| Enterprise | Contact sales |
Recent news
Sources
- Helicone pricing page retrieved 2026-10-19
- Helicone pricing calculator JS retrieved 2026-10-19
- LangSmith pricing page retrieved 2026-10-19