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Claude Sonnet 4.6 launches in Windsurf with 2-3x promotional pricing
· featuremodelreleaseintegration · windsurf.com ↗

Claude Sonnet 4.6 Now Available in Windsurf

Claude Sonnet 4.6 has launched in Windsurf with limited-time promotional pricing for self-serve users. This marks the availability of Anthropic's latest reasoning model in Exafunction's AI code editor.

Pricing & Availability

The promotional pricing structure offers:

  • Without extended thinking: 2x credits
  • With extended thinking: 3x credits

Claude Sonnet 4.6 is also available in Arena Mode's Frontier and Hybrid battle groups for users comparing different models.

Key Capabilities

According to statements from both CEOs, Sonnet 4.6 delivers significant improvements:

  • Frontier-level reasoning in a smaller, more cost-effective form factor
  • Viable alternative for heavy Opus users seeking better cost-efficiency
  • Improved bug detection that meaningfully closes the gap with Opus, enabling parallel reviewer execution and broader bug detection without cost increases

Getting Started

Users can download the latest version of Windsurf at windsurf.com/download to access Claude Sonnet 4.6 immediately.