Alternatives · LLM & agent observability
Arize alternatives
7 other llm & agent observability tools, ranked by estimated list price at 1M traces/month. Arize status: acquired — see the vendor page for details.
Arize at 1M traces/month
| Vendor | Est. / month | Plan | Billed volume | Last checked |
|---|---|---|---|---|
| Arizeacquired | Contact sales | Above published tiers: contact sales. | 5M spans * | 2026-10-19 |
Alternatives at the same volume
| Vendor | Est. / month | Plan | Billed volume | Last checked |
|---|---|---|---|---|
| Braintrust | $36.00 | Starter | 10 GB * | 2026-10-19 |
| Laminar | $44.00 | Starter | 10 GB * | 2026-10-19 |
| Heliconemaintenance mode | $243 | Pro | 2M requests * | 2026-10-19 |
| Opik (Comet) | $264 | Pro Cloud | 5M spans * | 2026-10-19 |
| PostHog | $450 | Pay-as-you-go | 6M AI events * | 2026-10-19 |
| Langfuseacquired | $451 | Core | 6M units * | 2026-10-19 |
| LangSmith | $4,989 | Plus (1 seat) | 1M traces | 2026-10-19 |
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.
Open-source / self-hostable options
- Helicone — Helicone/helicone
- Laminar — lmnr-ai/lmnr
- Langfuse — langfuse/langfuse
- Opik (Comet) — comet-ml/opik
- PostHog — PostHog/posthog
Head-to-head
- Arize vs Braintrust
- Arize vs Helicone
- Arize vs Laminar
- Arize vs Langfuse
- Arize vs LangSmith
- Arize vs Opik (Comet)
- Arize vs PostHog
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