AIClaude Opus 5.5 launches with VT Code support
Claude's announcement says Opus 5.5 performs at Claude Fable 5.1's level for most tasks and costs 40% less to run than Opus 5.
TLDR
Claude's announcement introduces Opus 5.5 as the first model in the Claude 5.5 family, claiming Fable 5.1-level performance for most tasks and a 40% lower cost to run than Opus 5. VT Code, an open-source terminal coding agent, also announced support for the model, pointing users to the command vtcode update.
Claude Opus 5.5 launches with VT Code support
Claude's announcement says Opus 5.5 performs at Claude Fable 5.1's level for most tasks and costs 40% less to run than Opus 5.
TLDR
Claude's announcement introduces Opus 5.5 as the first model in the Claude 5.5 family, claiming Fable 5.1-level performance for most tasks and a 40% lower cost to run than Opus 5. VT Code, an open-source terminal coding agent, also announced support for the model, pointing users to the command vtcode update.
