Login
xAIReasoningReasoningActive

SpaceXAI: Grok 4.5

Grok 4.5 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM.

Image
Start with this modelBrowse all models
Specification
Model ID
x-ai/grok-4.5
Modality
Text+image+file >text
Context
500K tokens
Input
$2.00/1M
Output
$6.00/1M
Web search
$5000.00/1M
Updated
Sep 20, 2026
Scores
Capabilities
  • Supports tool calling
  • Supports vision inputs
  • Supports long-context workflows
  • Supports deeper reasoning tasks

Input and output

Accepts Text, Image, File inputs. Returns Text outputs.

Supported parameters

include_reasoninglogprobsmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstemperaturetool_choicetoolstop_logprobstop_p

Related models

Prism ML

PrismML: Ternary Bonsai 2 27B

Bonsai 2 27B is a 27B-parameter reasoning model from PrismML derived from Qwen3.8-27B. It supports coding, mathematics, tool calling, and image understanding with a 262K-token context window. Ternary compression shrinks...

Z.ai

Z.ai: GLM 5.3 FlashX

GLM-5.3-FlashX is the high-speed variant of Z.ai's GLM-5.3-Flash, a native multimodal model delivering inference speeds of up to 200 tokens/s. Built on the same hybrid sparse and linear attention architecture...

Unbiased

Pareto

Pareto is a multimodal composite model built for research, coding, and agentic workflows, while delivering frontier-level performance across a broad range of general-purpose tasks.