Agen vs Devin

Agen

The pitch is a flat subscription for parallelism instead of the pure metered billing that makes cloud agents unpredictable, and it explicitly benchmarks itself against Devin on that point. Running the pipeline and fixing its own failures before opening the PR is the part that saves real time. Note that the subscription and the usage credits are two separate meters, so $59 is a floor, not a ceiling.

Pros

• +Agents run pipelines and fix failures before the PR is opened
• +Live app preview attached to the pull request
• +Subscription buys agent parallelism rather than pure per-token billing
• +$20 of credits on signup with no card required

Cons

• −Two meters - the monthly fee and a separate usage credit balance that runs down
• −Cloud-only with no self-hosted or on-prem option described
• −GitHub and GitLab only
• −Terms are dated March 2026 and the company is a young Delaware LLC with no track record published

Devin

Devin is the agent to hand a whole ticket to and walk away from, and the $20 Pro tier makes that affordable to try for the first time. The quota is the catch: a long autonomous session can exhaust a plan quickly, and once it does you are paying API rates, so it suits teams that batch well-scoped tasks rather than developers who want a tireless pair programmer in the loop.

Pros

• +End-to-end autonomy: plans, codes, tests and opens the pull request from its own cloud machine
• +Fans one large task out across parallel agents and manages them itself
• +Native Slack, Linear, Jira and GitHub integration plus Desktop and CLI clients
• +Entry price dropped to $20 a month, far below the original enterprise-only positioning

Cons

• −Quotas are described only qualitatively ('light', 'generous'), so cost per task is hard to predict
• −Overage is billed at API pricing, which is where a runaway agent session gets expensive
• −Team tier adds a flat $80 a month on top of $40 per full user
• −Pages are heavily client-rendered; the terms live on cognition.com, not devin.ai

Is Agen cheaper than Devin?

On published entry prices, Devin starts lower — $20/mo against $59/mo for Agen. Entry price is the lowest paid plan as we last verified it; what each plan includes differs.

Does Agen or Devin have a free tier?

Both: Agen has a free tier, and Devin has a free tier.

Which has a public API, Agen or Devin?

Devin ships a public API, as of our last verification. A public API for Agen is not confirmed by us — check its developer docs before you plan an integration.