Grok 5

x-ai/grok-5
by xAI·Text + Image·256K context·Released 2026-04-10·Proprietary
frontierreasoning

Overview

xAI's frontier model, strong on reasoning, coding and real-time knowledge, with a large context window and fast tool use. First-party hosted with high uptime. A capable general assistant and agent backbone that trades a premium price for top-tier reasoning.

Benchmarks

Standardized scores (0–100), normalized across the catalog.

Intelligence89
Coding87
Instruction following90

Providers

LLMRouteHub routes to the cheapest healthy provider by default.

ProviderInputOutputThroughputUptime
xAI$3.00$15.00108 tok/s99.7%

Use this model

curl https://llmroutehub.com/api/v1/chat/completions \
  -H "Authorization: Bearer $LLMROUTEHUB_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "x-ai/grok-5",
    "messages": [{ "role": "user", "content": "Hello" }]
  }'