Boundary (BAML) vs Cognition
Which Coding AI tool is better in 2026?
Boundary (BAML)
BAML, a programming language and toolchain for building type-safe, structured-output LLM applications.
Cognition
Applied AI lab building Devin, the AI software engineer.
Side-by-side
Cognition leads on both fronts — more capital raised ($2.5B) and a lower entry price than Boundary (BAML).
| Metric | Boundary (BAML) | Cognition |
|---|---|---|
| Taglinei | BAML, a programming language and toolchain for building type-safe, structured-output LLM applications. | Applied AI lab building Devin, the AI software engineer. |
| Foundedi | 2023 | 2023 |
| HQi | San Francisco, US | San Francisco, US |
| Employeesi | 1-10 | 11-50🏆 |
| Neuron scorei | 36 | 70🏆 |
| Total fundingi | Undisclosed | $2.5B🏆 |
| Latest roundi | Seed · Mar 2023 | Series D · May 2026 |
| Valuationi | — | $26B🏆 |
| Cheapest paid plani | Pricing not disclosed | Pro · $20/mo🏆 |
| Free plani | ✗ | ✓ Free |
| Free triali | ✗ | ✗ |
| Top tier pricei | Pricing not disclosed | Max · $200/mo |
| Pricing summaryi | Pricing not listed | 5 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Boundary (BAML) and Cognition.
| Capability | Boundary (BAML) | Cognition |
|---|---|---|
| MCP support | ✗ | ✓ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✓ |
| SDK languages | — | — |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✓ |
🟢 Strengths of Boundary (BAML)
- Strong in AI Coding
🔵 Strengths of Cognition
- Has raised more capital ($2.5B vs Undisclosed)
- Higher Neuron score (70 vs 36)
- Offers a free plan
- Lower starting price ($500/mo)
Which should you choose?
Choose Cognition if price matters most — it starts at Free · From $500/mo, which is friendlier for teams watching burn. Both AI Coding tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Cognition if you want the most established option — it has raised $2.5B, 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.
💸 Deals
Try Devin with starter credits
Cognition's Devin offers a starter pack of ACU credits on signup so you can test the autonomous engineer on real tasks.
Terms: Credit amount varies by program.
Frequently asked questions
Boundary (BAML) vs Cognition — which is better?
It depends on your priority. Boundary (BAML) is the leaner option; Cognition is cheaper to start. See the side-by-side table above.
Is Boundary (BAML) cheaper than Cognition?
No — Cognition's cheapest paid plan is Pro · $20/mo, while Boundary (BAML)'s is Pricing not listed.
Do Boundary (BAML) and Cognition offer free plans?
Boundary (BAML): Paid only. Cognition: Yes, has a free plan.
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