Model Catalogopenrouter

xAI: Grok 4.5

x-ai/grok-4.5

CHAT High tier ReasoningMultimodal

xAI: Grok 4.5 (x-ai/grok-4.5) is a chat model from openrouter with a 500K-token context window; capabilities tools, reasoning, vision; input image, pdf, text; output text.

500KContext
$2$ / 1M in
53.8Intelligence
55.991tok / s

Pricing

Input
$2 / 1M tokens
Output
$6 / 1M tokens
Currency
USD
Note
Indicative US list price — verify with the vendor.

Indicative US list price — a reference only, verify with the vendor. Source: openrouter. Last verified 2026-07-24.

Benchmarks

Intelligence index
53.8
Coding
72.4

Cited from a public third-party leaderboard — a reference, verify at the source. Source: Artificial Analysis. Last verified 2026-07-24.

Performance

Throughput
55.991 tokens/s
Latency (TTFT)
11.135 s

Cited speed metrics — a reference, verify at the source. Source: Artificial Analysis. Last verified 2026-07-24.

Specifications

Context window
500,000 tokens (500K)
Input modalities
image pdf text
Output modalities
text

Capabilities

tools reasoning vision

Provenance

artificial-analysiscommittedopenrouter-api
Last verified: 2026-07-24

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