LangWatch vs micro1
Which Evaluation AI tool is better in 2026?
LangWatch
Platform for LLM evaluations, agent testing and observability
micro1
Human intelligence infrastructure for high-quality AI training data
Side-by-side
micro1 is the more established option (raised $35M); pricing is comparable on both sides.
| Metric | LangWatch | micro1 |
|---|---|---|
| Taglinei | Platform for LLM evaluations, agent testing and observability | Human intelligence infrastructure for high-quality AI training data |
| Foundedi | 2023 | 2023 |
| HQi | Amsterdam, NL | Palo Alto, US |
| Employeesi | 1-10 | 51-200🏆 |
| Neuron scorei | 49 | 58🏆 |
| Total fundingi | $1.1M | $35M🏆 |
| Latest roundi | Pre-Seed · Jan 2024 | Series A · Feb 2026 |
| Valuationi | — | $500M🏆 |
| Cheapest paid plani | Pricing not disclosed | Pricing not disclosed |
| Free plani | ✓ | ✗ |
| Free triali | ✗ | ✗ |
| Top tier pricei | Pricing not disclosed | Pricing not disclosed |
| Pricing summaryi | Open source | Enterprise · Contact sales |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for LangWatch and micro1.
| Capability | LangWatch | micro1 |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✓ | ✗ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of LangWatch
- Offers a free plan
🔵 Strengths of micro1
- Has raised more capital ($35M vs $1.1M)
- Higher Neuron score (58 vs 49)
Which should you choose?
Choose micro1 if price matters most — it starts at Enterprise · Contact sales, which is friendlier for teams watching burn. Both AI Evaluation tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose micro1 if you want the most established option — it has raised $35M, suggesting more runway for enterprise features, support, and long-term roadmap. For mission-critical workflows or larger teams, that stability often outweighs a lower monthly price.
Frequently asked questions
LangWatch vs micro1 — which is better?
It depends on your priority. LangWatch is the leaner option; micro1 has broader feature depth. See the side-by-side table above.
Is LangWatch cheaper than micro1?
No — micro1's cheapest paid plan is Enterprise · Contact sales, while LangWatch's is Open source.
Do LangWatch and micro1 offer free plans?
LangWatch: Yes, has a free plan. micro1: Paid only.
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