Claude 4 Sonnet
A general-purpose model in Anthropic's Claude 4 series that balances performance and cost, suited to general tasks; it is the upgraded replacement for the Claude 3.x Sonnet series.
Timeline (last 90 days)
AWS also provided new model IDs and pricing information in the announcement, with migration recommendations as follows: migrate lightweight tasks from Claude 3 Haiku to Claude 4 Haiku or a new model of equivalent positioning; migrate general tasks from Claude 3 Sonnet / 3.5 Sonnet to Claude 4 Sonnet; and evaluate Claude 4 Opus or higher-tier versions of Sonnet for complex reasoning scenarios.
Anthropic's Claude 3.5 Sonnet and Claude 4 Sonnet have a context window of 200K tokens and have advantages in long-context understanding and code refactoring tasks.
All Facts (2)
AWS also provided new model IDs and pricing information in the announcement, with migration recommendations as follows: migrate lightweight tasks from Claude 3 Haiku to Claude 4 Haiku or a new model of equivalent positioning; migrate general tasks from Claude 3 Sonnet / 3.5 Sonnet to Claude 4 Sonnet; and evaluate Claude 4 Opus or higher-tier versions of Sonnet for complex reasoning scenarios.
50%UnverifiedAnthropic's Claude 3.5 Sonnet and Claude 4 Sonnet have a context window of 200K tokens and have advantages in long-context understanding and code refactoring tasks.
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