xAI: Grok Latest

~x-ai/grok-latest · xAIUnmeasurable

Declared family: Router
Evidence confidence: Unknown
Declared tokenizer tag: Router
Entered catalogue: 8 July 2026
Last tested: Not yet measured
Measurement: Excluded: a router, not one stable model

This catalogue entry is an alias: a name that points at another model rather than a model of its own. Its serving contract is listed below; the identity evidence lives on the record of the model it serves.

Evidence stack

Signals of different kinds, weighed together

Signal	Result	Reference
Tokenizer signature	Not measured	–
API surface	Identical contract to 1 other entry	api_4c150178
Context and output	500,000 context · – max output	declared
Reasoning contract	Mandatory · efforts xhigh, high, medium, low · default high	declared
Serving providers observed	None recorded yet	–

Declared record

What the catalogue claims about this model

This model always redirects to the latest Grok model from xAI.

Modalities: text+image+file->text
Declared tokenizer: Router
Prompt price: $2.00 / M tokens
Completion price: $6.00 / M tokens

Supported parameters

include_reasoninglogprobsmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstemperaturetool_choicetoolstop_logprobstop_p

defaults: {}

Catalogue entry

History

Every observation, kept as taken

8 July 2026Enters the OpenRouter catalogue declared as Router.

Cite this page as the evidence record for xAI: Grok Latest: the URL is stable, measurements are dated, and revisions append to the history above. Method: tokenizer fingerprinting, v1, 50 strings. The raw data behind every figure is on the data page.