GET

/v1/models/amazon-bedrock/xai.grok-4.3

Accept:

provider amazon-bedrockstatus activefirst seen Apr 17, 2026last seen 9m ago

rawId	xai.grok-4.3
displayName	Grok 4.3
id	amazon-bedrock-xai-grok-4-3
activity	chat
schemaEndpointId	no bound generation route
releasedAt	1781481600 — Jun 15, 2026
firstSeenAt	1776384000 — Apr 17, 2026
lastSeenAt	1794668466 — 9m ago
pricing	$1.25 / 1M input · $2.5 / 1M output → open calculator https://docs.aws.amazon.com/bedrock/latest/userguide/model-card-xai-grok-4-3.md input_tokens (usage) · output_tokens (usage) · cache_read_tokens (usage)
contextWindow	1000000
modalities	{"input":["image","text"],"output":["text"]}
capabilities	{"reasoning":true,"tools":true,"structured_outputs":true}
maxOutput · knowledgeCutoff · openWeights · weightsUrl · requestMap · providerMetadata	not published by this provider’s list endpoint

Endpoints & schemas

GET /v1/schemas/amazon-bedrock →

endpoint	activity
model/{modelId}/converse input · output	chat
model/{modelId}/converse-stream input · output	chat
model/{modelId}/invoke input · output	chat
model/{modelId}/invoke-with-response-stream input · output	chat

Sources

field	recorded source
contextWindow	https://docs.aws.amazon.com/bedrock/latest/userguide/model-card-xai-grok-4-3.md docs-derived contextWindow Source trace `d3a0dcdc068e14a7ef48d7cbdfcca8a631b5387d244f2f98b37fda321588e7e0`
modalities	https://docs.aws.amazon.com/bedrock/latest/userguide/model-card-xai-grok-4-3.md docs-derived modalities Source trace `d3a0dcdc068e14a7ef48d7cbdfcca8a631b5387d244f2f98b37fda321588e7e0`
pricing	Source linked above. docs-derived Pricing Source trace `d3a0dcdc068e14a7ef48d7cbdfcca8a631b5387d244f2f98b37fda321588e7e0`
reasoning	https://docs.aws.amazon.com/bedrock/latest/userguide/model-card-xai-grok-4-3.md docs-derived reasoning Source trace `d3a0dcdc068e14a7ef48d7cbdfcca8a631b5387d244f2f98b37fda321588e7e0`
capabilities.reasoning	https://docs.aws.amazon.com/bedrock/latest/userguide/model-card-xai-grok-4-3.md docs-derived capabilities.reasoning Source trace `d3a0dcdc068e14a7ef48d7cbdfcca8a631b5387d244f2f98b37fda321588e7e0`
capabilities.tools	https://docs.aws.amazon.com/bedrock/latest/userguide/model-card-xai-grok-4-3.md docs-derived capabilities.tools Source trace `d3a0dcdc068e14a7ef48d7cbdfcca8a631b5387d244f2f98b37fda321588e7e0`
capabilities.structured_outputs	https://docs.aws.amazon.com/bedrock/latest/userguide/model-card-xai-grok-4-3.md docs-derived capabilities.structured_outputs Source trace `d3a0dcdc068e14a7ef48d7cbdfcca8a631b5387d244f2f98b37fda321588e7e0`
activity	Source unknown — no source URL recorded.
maxOutput	Source unknown — no source URL recorded.
requestMap	Source unknown — no source URL recorded.
schemaEndpointId	Source unknown — no source URL recorded.

Use it

shell

$ curl https://modelschemas.com/v1/schemas/amazon-bedrock/chat/model/%7BmodelId%7D/converse # request schema
$ curl -X POST https://modelschemas.com/v1/validate -d '{"provider":"amazon-bedrock","endpointId":"model/{modelId}/converse","payload":{…}}'
$ curl -X POST https://modelschemas.com/v1/estimate -d '{"provider":"amazon-bedrock","model":"xai.grok-4.3","usage":{"input_tokens":1200,"output_tokens":400}}'