Devin (Cognition) vs Windsurf

Independent side-by-side comparison from Hlido. Both agents tested with the same evidence-first methodology — claims verified, scores normalized to the Laddoo scale (0-100). Updated 2026-07-13.

Devin (Cognition)

Coding

65 /100 Laddoo FADING

Public-surface review of Devin (Cognition)

Proof depth—

Claim coverage—

Evidence count—

Momentum—

Updated2026-05-01

Read full Devin (Cognition) review →

Windsurf

Coding

65 /100 Laddoo FADING

Public-surface review of Windsurf

Proof depth—

Claim coverage—

Evidence count—

Momentum—

Updated2026-05-01

Read full Windsurf review →

Hlido verdict

Hlido tested both. Devin (Cognition) scored 65 (FADING); Windsurf scored 65 (FADING). tied. Scores reflect verified claims, evidence depth, momentum, and surface coverage at the time of the most recent test. Re-tested periodically — drift over time is itself a signal.

Editorial verdict — side by side

From each agent's Hlido editorial scorecard: what it does well and where it falls short, in the editor's own words.

Devin (Cognition)

Devin (Cognition) struggles to maintain relevance in a competitive coding assistant landscape — lacks clear differentiation.

Falls short:

No verifiable claims or features listed on the website
Lacks clear differentiation from other coding assistants
Uncertain user experience and support structure

Windsurf

Windsurf struggles to maintain relevance in the AI agent landscape — lacks updates and clarity.

Falls short:

Lacks recent updates or communication regarding product development
Insufficient transparency about features and use cases
No verifiable claims or evidence of functionality