SpaceXAI: Grok 4.6

x-ai/grok-4.6 · xAINot yet established

Declared family: Grok
Evidence confidence: Unknown
Declared tokenizer tag: Grok
Entered catalogue: 12 August 2026
Last tested: Not yet measured
Measurement: Awaiting measurement

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

Grok 4.6 is SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.

Modalities: text+image+file->text
Declared tokenizer: Grok
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

12 August 2026Enters the OpenRouter catalogue declared as Grok.

Cite this page as the evidence record for SpaceXAI: Grok 4.6: 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.