II.
ModelVersion overview
Reference · livemodel:grok-4-5@current
Grok 4.5 overview
Inspect the raw attributes, linked wiki pages, and inbound or outbound graph edges for model:grok-4-5@current.
Attributes
displayName
Grok 4.5
supportsExtendedThinking
true
supportsThinkingBudgetTokens
false
modelFamilyId
versionRange
>=4.5.0 <4.6.0
kind
reasoning
contextWindowTokens
1000000
maxOutputTokens
8192
modalities
- text
modalityDirections
- kindtextdirectioninput
- kindtextdirectionoutput
releaseDate
2026-05-29
lifecycleStatus
ga
lifecycleStatusChangedAt
2026-05-29
modelCardUrl
supportsFineTuning
false
regions
- global
providerModelIds
xai
grok-4.5
notes
xAI docs list Grok 4.5 as the recommended code and chat model.
Pricing tables are dynamic in the reviewed docs, so exact per-token
rates are tracked by issue #1258 before numeric pricing claims are
added.
Outgoing edges
belongs_to_family1
- model-family:grok-4·ModelFamilyGrok 4
realizes1
- layer:1-model·LayerModel
served_by1
- provider:xai·ProviderxAI
speaks2
- model-transport:openai-compat·ModelTransportProtocolOpenAI-compatible chat completions
- model-transport:openai-responses·ModelTransportProtocolOpenAI Responses
supports2
- capability:supports-tool-use·CapabilitySupports tool use
- capability:supports-structured-output·CapabilitySupports structured output
version_of1
- model-family:grok-4·ModelFamilyGrok 4
Incoming edges
about_subject5
- claim:model-version-model-grok-4-5-current-model-id·Claim
- claim:model-version-model-grok-4-5-current-contextwindowtokens·Claim
- claim:model-version-model-grok-4-5-current-maxoutputtokens·Claim
- claim:model-version-model-grok-4-5-current-api-family·Claim
- claim:model-version-model-grok-4-5-current-capabilities·Claim
has_version1
- model-family:grok-4·ModelFamilyGrok 4
serves1
- provider:xai·ProviderxAI