Models API better describes the capabilities of each Claude
Progressive additions allow you to select the models without deducing their characteristics from their name.
available
Facts, analysis and limits
Verified facts
- October 1st: line field for family.
- October 5: capabilities.thinking.types.disabled.
- October 6: capabilities.server_tools for web search and code execution.
What changes
Model routing can be based on explicit capabilities.
Practical implication
Asking for capabilities before turning on a tool or deactivate thinking.
Availability
Belgium/EEA: not specified in the source; access depends on the plan, rollout and administrator settings.
Limits and uncertainty
Grouped additions from October 1, 5 and 6; this does not mean every model supports every tool. Preserve each update's own date rather than treating all of them as released on the summary date.