Compare Claude Sonnet 5.5 with alternatives
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Comparing Claude Sonnet 5.5, Claude Haiku 5.5, Claude Opus 5.5
| Attribute | Claude Sonnet 5.5 | Claude Haiku 5.5 | Claude Opus 5.5 |
|---|---|---|---|
| What it is | Anthropic's mid-tier Claude model, stronger than Haiku at multi-step tool use. It scored highest of our three models on the τ²-bench airline support benchmark. | Anthropic's small, fast Claude model. It is positioned for high-volume work like classification and routing, which suits first-line support triage. | Claude Opus 5.5 is Anthropic's model for long-running agentic coding and knowledge work, with a 1M-token context. |
| Category | Model | Model | Model |
| Type | API | API | API |
| Best ranks |
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| Pricing | Paid$2 input / $10 output per MTok.As of | Paid$0.10 input / $0.50 output per MTok (prompts ≤100K).As of | Paid$4 input / $20 output per MTok.As of |
| License | Proprietary model (hosted access only)Checked | Proprietary model (hosted access only)Checked | License not yet reviewed |
| Layers | Model | Model | Model |
| Last verified |