II.
ModelVersion overview
Reference · livemodel:claude-mythos-preview@current
Claude Mythos Preview overview
Inspect the raw attributes, linked wiki pages, and inbound or outbound graph edges for model:claude-mythos-preview@current.
Attributes
displayName
Claude Mythos Preview
costPerMTokInput
0
costPerMTokOutput
0
pricingNotes
Unknown for direct Anthropic API access; gated research preview access is not self-serve priced in public docs.
supportsExtendedThinking
true
supportsAdaptiveThinking
true
supportsThinkingBudgetTokens
false
modelFamilyId
versionRange
>=0.1.0 <1.0.0
kind
reasoning
contextWindowTokens
0
contextWindowNotes
Unknown in public docs; do not infer from other Claude model families.
accessStatus
gated-research-preview
accessNotes
Invitation-only/gated research preview for qualified safety and security research workflows.
capabilityTags
- defensive-cybersecurity
- autonomous-coding
- long-running-agents
- vulnerability-discovery-evaluation
modalities
- text
- image
modalityDirections
- kindtextdirectioninput
- kindimagedirectioninput
- kindtextdirectionoutput
releaseDate
2026-04-07
lifecycleStatus
preview
lifecycleStatusChangedAt
2026-04-07
modelCardUrl
supportsFineTuning
false
regions
- global
Outgoing edges
belongs_to_family1
- model-family:claude-mythos·ModelFamilyClaude Mythos
realizes1
- layer:1-model·LayerModel
served_by3
- provider:anthropic·ModelProviderProductAnthropic
- provider:aws-bedrock·Provider
- provider:azure-foundry·ProviderAzure AI Foundry
speaks1
- model-transport:anthropic-messages·ModelTransportProtocolAnthropic Messages
supports3
- capability:adaptive-thinking·CapabilityAdaptive thinking
- capability:supports-tool-use·CapabilitySupports tool use
- capability:extended-thinking·CapabilityExtended thinking
version_of1
- model-family:claude-mythos·ModelFamilyClaude Mythos
Incoming edges
about_subject11
- claim:model-version-model-claude-mythos-preview-current-retirement·Claim
- claim:model-version-model-claude-mythos-preview-current-displayname·Claim
- claim:model-version-model-claude-mythos-preview-current-modelid·Claim
- claim:model-version-model-claude-mythos-preview-current-release-date·Claim
- claim:model-version-model-claude-mythos-preview-current-lifecycle·Claim
- claim:model-version-model-claude-mythos-preview-current-access-status·Claim
- claim:model-version-model-claude-mythos-preview-current-context-window-unknown·Claim
- claim:model-version-model-claude-mythos-preview-current-pricing-unknown·Claim
- claim:model-version-model-claude-mythos-preview-current-provider-availability·Claim
- claim:model-version-model-claude-mythos-preview-current-capability-tags·Claim
- claim:model-version-model-claude-mythos-preview-current-transport·Claim
has_version1
- model-family:claude-mythos·ModelFamilyClaude Mythos
serves3
- provider:anthropic·ModelProviderProductAnthropic
- provider:aws-bedrock·Provider
- provider:azure-foundry·ProviderAzure AI Foundry