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Models
class CapabilitySupport { supported; }Indicates whether a capability is supported.
Indicates whether a capability is supported.
Whether this capability is supported by the model.
class ContextManagementCapability { clearThinking20251015; clearToolUses20250919; compact20260112; supported; }Context management capability details.
Context management capability details.
Optional<CapabilitySupport> clearThinking20251015Whether the clear_thinking_20251015 strategy is supported.
Whether the clear_thinking_20251015 strategy is supported.
Whether this capability is supported by the model.
Optional<CapabilitySupport> clearToolUses20250919Whether the clear_tool_uses_20250919 strategy is supported.
Whether the clear_tool_uses_20250919 strategy is supported.
Whether this capability is supported by the model.
Optional<CapabilitySupport> compact20260112Whether the compact_20260112 strategy is supported.
Whether the compact_20260112 strategy is supported.
Whether this capability is supported by the model.
Whether this capability is supported by the model.
class EffortCapability { high; low; max; /* 3 more */ }Effort (reasoning_effort) capability details.
Effort (reasoning_effort) capability details.
CapabilitySupport highWhether the model supports high effort level.
Whether the model supports high effort level.
Whether this capability is supported by the model.
Whether the model supports low effort level.
Whether the model supports low effort level.
Whether this capability is supported by the model.
Whether the model supports max effort level.
Whether the model supports max effort level.
Whether this capability is supported by the model.
CapabilitySupport mediumWhether the model supports medium effort level.
Whether the model supports medium effort level.
Whether this capability is supported by the model.
Whether this capability is supported by the model.
Optional<CapabilitySupport> xhighWhether the model supports xhigh effort level.
Whether the model supports xhigh effort level.
Whether this capability is supported by the model.
class ModelCapabilities { batch; citations; codeExecution; /* 7 more */ }Model capability information.
Model capability information.
class ModelInfo { type = "model"; id; capabilities; /* 8 more */ }
enum ModelLineA Claude model line, such as opus or sonnet. More lines may be added as new values.
A Claude model line, such as opus or sonnet. More lines may be added as new values.
class ServerToolsCapability { codeExecution; supported; webSearch; }Web search and code execution tool support, with one entry per tool.
Web search and code execution tool support, with one entry per tool.
CapabilitySupport codeExecutionWhether the model supports the code execution tool: true when the model supports at least one version of the tool, not necessarily every version.
Whether the model supports the code execution tool: true when the model supports at least one version of the tool, not necessarily every version.
Whether this capability is supported by the model.
Whether this capability is supported by the model.
CapabilitySupport webSearchWhether the model supports the web search tool: true when the model supports at least one version of the tool, not necessarily every version.
Whether the model supports the web search tool: true when the model supports at least one version of the tool, not necessarily every version.
Whether this capability is supported by the model.
class ThinkingCapability { supported; types; }Thinking capability details.
Thinking capability details.
Whether this capability is supported by the model.
ThinkingTypes typesSupported thinking type configurations.
Supported thinking type configurations.
CapabilitySupport adaptiveWhether the model accepts thinking with type 'adaptive' (the model decides whether and how much to think).
Whether the model accepts thinking with type 'adaptive' (the model decides whether and how much to think).
Whether this capability is supported by the model.
CapabilitySupport disabledWhether the model accepts thinking with type 'disabled' (thinking turned off). False exactly when a request that sends it gets a 400 from this model. True on a model that does not support thinking.
Whether the model accepts thinking with type 'disabled' (thinking turned off). False exactly when a request that sends it gets a 400 from this model. True on a model that does not support thinking.
Whether this capability is supported by the model.
CapabilitySupport enabledWhether the model accepts thinking with type 'enabled' (extended thinking with a caller-set budget_tokens).
Whether the model accepts thinking with type 'enabled' (extended thinking with a caller-set budget_tokens).
Whether this capability is supported by the model.
class ThinkingTypes { adaptive; disabled; enabled; }Which thinking.type values the model accepts on requests. Read each key on its own: for example, enabled can be false while disabled is true.
Which thinking.type values the model accepts on requests. Read each key on its own: for example, enabled can be false while disabled is true.
CapabilitySupport adaptiveWhether the model accepts thinking with type 'adaptive' (the model decides whether and how much to think).
Whether the model accepts thinking with type 'adaptive' (the model decides whether and how much to think).
Whether this capability is supported by the model.
CapabilitySupport disabledWhether the model accepts thinking with type 'disabled' (thinking turned off). False exactly when a request that sends it gets a 400 from this model. True on a model that does not support thinking.
Whether the model accepts thinking with type 'disabled' (thinking turned off). False exactly when a request that sends it gets a 400 from this model. True on a model that does not support thinking.
Whether this capability is supported by the model.
CapabilitySupport enabledWhether the model accepts thinking with type 'enabled' (extended thinking with a caller-set budget_tokens).
Whether the model accepts thinking with type 'enabled' (extended thinking with a caller-set budget_tokens).
Whether this capability is supported by the model.