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: the family flagship, stronger on complex work.
Claude Sonnet 5: the previous mid-tier model at the same price.
GPT-6 Sol: OpenAI's rival at a similar price point.

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

2500000DR: 92AS: 95

Claude Sonnet 5

Models

Claude Sonnet 5 is Anthropic's legacy mid-tier model, released June 30, 2026 at $2/$10 per million tokens with a 1M context window; Sonnet 5.5 replaces it.

#Anthropic

2500000DR: 92AS: 95

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

15000000DR: 95AS: 95