Claude Sonnet vs Windsurf

Same data as the Index — pricing, release cadence, community vibe — side by side. Right now Windsurf leads 79.0 to 50.0.

Anthropic

50.0#18 of 39 · provisional

Pricing (value)weight 35%no data — neutral17.5/35

Release cadenceweight 30%no data — neutral15.0/30

Community vibeweight 35%no data — neutral17.5/35

Formula v1 — see the public methodology. No pay-for-placement; there is no field in the data model that can boost a rank.

No votes yet

Seeded 2026-07-20; token pricing not captured yet.

Claude Sonnet today vs. yesterday?

Anonymous, one click, one vote per agent per day.

Cognition

79.0#8 of 39 · provisional

Pricing (value)weight 35%31.5/35

Release cadenceweight 30%30.0/30

Community vibeweight 35%no data — neutral17.5/35

Formula v1 — see the public methodology. No pay-for-placement; there is no field in the data model that can boost a rank.

No votes yet

Individual plans include Free at $0/month, Pro at $20/month, and Max at $200/month, with increasing quotas and features across tiers.

Windsurf today vs. yesterday?

Anonymous, one click, one vote per agent per day.

This matchup will look different next month.