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Not Diamond vs Windsurf

Not DiamondWindsurf

Bottom line: Not Diamond for teams running multiple LLMs in production; Windsurf for software developers who want AI agents integrated into a real IDE.

Intelligent LLM router that picks the best model per query

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Windsurf (now rebranded as Devin Desktop) is an AI-powered coding IDE that manages local and cloud agents for software development

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Votes00
PricingFreemiumFreemium
CategoryCodingCoding
Tags
llm-routermodel-routingcost-optimizationai-infrastructurellmops
write-code
Best for
  • Teams running multiple LLMs in production
  • Builders of coding and AI agents
  • Cost-sensitive LLM applications
  • Software developers who want AI agents integrated into a real IDE
  • Engineering teams looking to orchestrate multiple coding agents
  • Power users who delegate large coding tasks to cloud agents
Pros
  • Directly targets cost savings without quality loss
  • Supports custom routers trained on your own data
  • Low added router latency (cited ~100-150ms)
  • Free early-access tier to evaluate
  • Works with major providers and coding agents
  • Combines a genuine full IDE — syntax highlighting, autocomplete, and debugging — with agent orchestration, so developers can trace and review every change rather than blindly accepting AI output.
  • Unlimited inline edits and tab completions on every tier, including the free plan, lower the barrier to everyday AI-assisted editing.
  • Broad model flexibility on paid plans, with first-class support for OpenAI, Claude, and Gemini frontier models plus the proprietary SWE 1.6 and open-source options.
  • The agent command center gives a clear board/list view of running, in-review, and completed tasks, making it practical to delegate and supervise multiple agents at once.
  • Strong enterprise posture with SAML/OIDC SSO
Cons
  • Routing benefits depend heavily on your specific workload
  • Exact per-token pricing is not fully published
  • Vendor-cited savings figures need independent validation
  • Adds an external dependency and network hop
  • Crowded, fast-moving competitive category
  • The credit-and-quota usage model makes spending harder to predict; heavy users can exceed included allowances and pay extra at API pricing, with cost-per-message varying by model and task complexity.
  • The agent-fleet workflow introduces a learning curve, and getting good results depends on writing precise prompts and managing context carefully.
  • The recent rebrand from Windsurf to Devin Desktop and absorption into Cognition's ecosystem means branding, plans, and features are in flux, requiring users to verify current details.
  • Reliance on the proprietary Devin Cloud and SWE models for the fullest experience creates some platform lock-in for teams that standardize on it.

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