SpaceXAI: Grok Build 0.1

x-ai/grok-build-0.1 · xAINot yet established

Declared family: Grok
Evidence confidence: Unknown
Declared tokenizer tag: Grok
Entered catalogue: 20 May 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	No other entry shares this exact contract	api_6e55e1c0
Context and output	256,000 context · – max output	declared
Reasoning contract	Mandatory	declared
Serving providers observed	None recorded yet	–

Declared record

What the catalogue claims about this model

Grok Build 0.1 is SpaceXAI’s fast coding model trained specifically for agentic software engineering workflows. It supports text and image inputs with text output, and is optimized for interactive coding...

Modalities: text+image+file->text
Declared tokenizer: Grok
Prompt price: $1.00 / M tokens
Completion price: $2.00 / M tokens

Supported parameters

include_reasoninglogprobsmax_tokensreasoningresponse_formatseedstructured_outputstemperaturetool_choicetoolstop_logprobstop_p

defaults: {"temperature":null,"top_p":null,"top_k":null,"frequency_penalty":null,"presence_penalty":null,"repetition_penalty":null}

Catalogue entry

History

Every observation, kept as taken

20 May 2026Enters the OpenRouter catalogue declared as Grok.

Cite this page as the evidence record for SpaceXAI: Grok Build 0.1: 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.