LLM AtlasSubmit a resource

Claude Haiku 4.5 vs Claude Sonnet 4.5

Compare Claude Haiku 4.5, Claude Sonnet 4.5 side by side: context window, cost, modality, license and published benchmark scores.

AttributeClaude Haiku 4.5Claude Sonnet 4.5
OrganizationAnthropicAnthropic
Released2025-102025-09
LicenseProprietaryProprietary
ParametersUndisclosedUndisclosed
Context window200,000 tokens1,000,000 tokens
Input$1 / 1M tokens$3 / 1M tokens
Output$5 / 1M tokens$15 / 1M tokens