Mastra vs NVIDIA NOOA vs OpenAI Agents SDK vs Pydantic AI
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
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NVIDIA NOOA
Agents as plain Python objects, so the model-driven parts stay visible
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OpenAI Agents SDK
OpenAI's minimal Python framework for agent handoffs, not graphs.
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Pydantic AI
Type-safe Python agent framework built by the Pydantic team
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| RECATOOLS Score | 8 / 10 | 6.6 / 10 | 8 / 10 | 8.2 / 10 |
| Capability | ||||
| Value for money | ||||
| Ease of use | ||||
| ASEAN readiness | ||||
| API quality | ||||
| Pricing | Freemium | Open Source | Open Source | Open Source |
| Free tier | — | Free and open source (Apache 2.0, per the repo LICENSE) | Free and open source — self-host at no cost | Free and open source — self-host at no cost |
| Paid from | — | — | — | — |
| Has API | ✓ | ✗ | ✓ | ✓ |
| Open source | ✓ | ✗ | ✓ | ✓ |
| Free to use | ✓ | ✓ | ✓ | ✓ |
| Users | — | — | — | — |
| Founded | — | 2026 | — | — |
| Maker | — | NVIDIA | — | — |
| Verdict | Mastra filled a real gap — a first-class TypeScript agent framework instead of a Python port — and adoption backs that up: 22,000-plus GitHub stars, 300,000-plus weekly npm downloads, and production users spanning Replit... |
Judge this on the design decision, not the launch. Representing an agent as a Python class with ellipsis-bodied methods draws a visible line between the deterministic part of a system and the part that improvises — which... |
OpenAI's Agents SDK is the deliberately small option in a field of increasingly elaborate agent frameworks: a handoff pattern with guardrails and tracing gets you a working multi-agent setup in well under 100 lines, whic... |
Pydantic AI is the agent framework built by the team whose validation library already sits inside the OpenAI, Anthropic and Google SDKs, and that pedigree shows: structured output validation and dependency-injected testi... |
| Full review → | Full review → | Full review → | Full review → |
Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.