Blackbox AI vs Devin

Blackbox AI (Blackbox) and Devin (Cognition) compared head-to-head: prices from $0 and $20, model-dependent vs. agentic sandbox context, free tiers, models, limits plus strengths and weaknesses. Find out which AI coding agent fits your workflow.

Blackbox AI vs Devin — Category side-by-side

Provider	Blackbox AI Blackbox	Devin Cognition
From /month	Free	$20
Billing	freemium + subscription	subscription + usage (ACU)
Top models	Blackbox proprietary, frontier models	Devin (Cognition)
Context	model-dependent	agentic sandbox
Limits	Free: unlimited chat, basic completions	ACU-based; ~$9/h of Devin time
Free tier	yes — unlimited chat	no — paid only
Best for	Quick code answers, snippets & autocomplete on a budget	Offloading well-scoped engineering tasks to an autonomous agent
Strengths	Very cheap Pro tier Unlimited free chat Code search	Truly autonomous end-to-end agent Parallel tasks PR-ready output
Weaknesses	Less agentic depth Quality below frontier models	Expensive at scale Needs well-scoped tasks

Recommendation by priority

💰 On a budget? Blackbox AI ($0) is cheaper than Devin ($20).

Blackbox AI is especially strong when you care about "Quick code answers, snippets & autocomplete on a budget".

🆫 Start without budget? Blackbox AI shines with a free tier (yes — unlimited chat).

Blackbox AI is especially strong when you care about "Quick code answers, snippets & autocomplete on a budget".

Go to Blackbox AI → Go to Devin →

Frequently asked questions: Blackbox AI vs Devin

Blackbox AI or Devin: which is cheaper?

The entry price depends on each provider and plan tier. This page shows the current indicative values side by side.

Which offers more context — Blackbox AI or Devin?

Blackbox AI reaches model-dependent, Devin reaches agentic sandbox. More context helps with long files and large repos.

Is there a free tier for Blackbox AI or Devin?

Yes — details on free tiers and free quotas are in the side-by-side table above.