AI NexusAI Nexus

AI Tool Alternatives / Claude Sonnet 5.5

Alternatives to Claude Sonnet 5.5

These tools sit near Claude Sonnet 5.5. Compare features and pricing before you switch.

Open Claude Sonnet 5.5 listing · AI Tools Rankings 2026 | Hot & Featured

Alternatives

Claude Opus 5.5 logo

Claude Opus 5.5

Models

Anthropic Claude Opus 5.5: Fable-5.1-level intelligence at $4/$20 per 1M tokens, 1M context, and day-one GitHub Copilot support.

#Anthropic 
Month Visit2500000DR: 92AS: 95
Claude Sonnet 5 logo

Claude Sonnet 5

Models

Claude Sonnet 5: live mid-tier Claude row at $2/$10 per 1M tokens and 1M context. Not leftover Sonnet 4.5.

#Anthropic 
Month Visit2500000DR: 92AS: 95
GPT-6 Sol logo

GPT-6 Sol

Models

OpenAI GPT-6 Sol: 1.05M context, reasoning up to max effort and $2/$10 per 1M tokens, with day-one GitHub Copilot support.

#OpenAI 
Month Visit15000000DR: 95AS: 95