LangWatch vs Maxim AI
Which Evaluation AI tool is better in 2026?
LangWatch
Platform for LLM evaluations, agent testing and observability
Maxim AI
GenAI evaluation, simulation and observability platform for AI agents
Side-by-side
Maxim AI is the more established option (raised $3M); pricing is comparable on both sides.
| Metric | LangWatch | Maxim AI |
|---|---|---|
| Taglinei | Platform for LLM evaluations, agent testing and observability | GenAI evaluation, simulation and observability platform for AI agents |
| Foundedi | 2023 | 2023 |
| HQi | Amsterdam, NL | Bengaluru, IN |
| Employeesi | 1-10 | 11-50🏆 |
| Neuron scorei | 60 | 61🏆 |
| Total fundingi | $1.1M | $3M🏆 |
| Latest roundi | Pre-Seed · Jan 2024 | Seed · Jun 2024 |
| Valuationi | — | — |
| 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 | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for LangWatch and Maxim AI.
| Capability | LangWatch | Maxim AI |
|---|---|---|
| MCP support | ✗ | ✓ |
| Public API | ✓ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✓ | ✓ |
| Free trial | ✗ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of LangWatch
- Strong in AI Evaluation
🔵 Strengths of Maxim AI
- Has raised more capital ($3M vs $1.1M)
- Higher Neuron score (61 vs 60)
- Offers a free trial
Which should you choose?
Choose Maxim AI if price matters most — it starts at Free, 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 Maxim AI if you want the most established option — it has raised $3M, 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 Maxim AI — which is better?
It depends on your priority. LangWatch is the leaner option; Maxim AI has broader feature depth. See the side-by-side table above.
Is LangWatch cheaper than Maxim AI?
No — Maxim AI's cheapest paid plan is Free, while LangWatch's is Open source.
Do LangWatch and Maxim AI offer free plans?
LangWatch: Yes, has a free plan. Maxim AI: Yes, has a free plan.
Explore more AI Evaluation tools
Contextual paths to related AI startups, deals and rankings.