AI model
x-ai/grok-4.5
SpaceXAI: Grok 4.5 is a 500,000-token model served on Composite at $2.50 per million tokens in and $7.50 per million tokens out. Ranked #66 of 179 models by traffic on Composite over the last 30 days, taking 0.07% of tokens and 0.05% of requests. Measured on Composite, 100.0% of its last 57 requests on Composite succeeded, the typical first token arrives in 7405 ms, output runs at about 79.5 tokens per second.
Try in Playground| Model ID | x-ai/grok-4.5 |
|---|---|
| Provider | cv11 |
| Context window | 500,000 tokens |
| Accepts | text, image, file |
| Returns | text |
| Input price | $2.50 per million tokens |
| Output price | $7.50 per million tokens |
| Prompt caching | Supported — cached input is billed at the provider's cache rate, on credits and plans alike |
| Web search | $0.0063 per result |
| Thinking | Always on for this model |
| Moderated | No |
| Cost on a monthly plan | About 22 plan credits per typical call (8k in, 1k out) |
| Routing endpoints | 8 (base plus 7 routing variants) |
Make a Composite API key and type x-ai/grok-4.5 as the model name. JanitorAI takes the full URL https://composite.lucidity.sh/v1/chat/completions; SillyTavern, ChubAI, Agnai and RisuAI take https://composite.lucidity.sh/v1. It runs on credits, a plan, or your own provider key.
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#66 of 179
0.07% of tokens and 0.05% of requests over 30 days.
100.0%
Across the last 57 requests Composite served for this model.
7405 ms
Median across the same sample.
79.5 tok/s
Median generation rate after the first token.
31.1%
Share of prompt tokens served from the provider's cache over 7 days.
The same model behind 7 alternative endpoints. Call the id directly to pin a route; the base id above picks for you.
| Route | Model ID | Provider | Price |
|---|---|---|---|
| Normal | x-ai/grok-4.5-normal |
cv11 | $2.50 per million tokens input · $7.50 per million tokens output |
| Normal + cheapThink | x-ai/grok-4.5-normal:cheapThink |
cv11 | $2.50 per million tokens input · $7.50 per million tokens output |
| Cheapest provider | x-ai/grok-4.5:cheapest-provider |
xAI | $2.50 per million tokens input · $7.50 per million tokens output |
| Cheapest provider + cheapThink | x-ai/grok-4.5:cheapest-provider:cheapThink |
xAI | $2.50 per million tokens input · $7.50 per million tokens output |
| cheapThink | x-ai/grok-4.5:cheapThink |
cv11 | $2.50 per million tokens input · $7.50 per million tokens output |
| Fast | x-ai/grok-4.5:fast |
xAI | $2.50 per million tokens input · $7.50 per million tokens output |
| Fast + cheapThink | x-ai/grok-4.5:fast:cheapThink |
xAI | $2.50 per million tokens input · $7.50 per million tokens output |
$2.50 per million tokens input · $7.50 per million tokens output
Credits pay the provider’s price plus 25%; cache hits cost less.
On a monthly plan, a typical call (8k tokens in, 1k out) uses about 22 plan credits, at the provider's own price.
cv11
Grok models lean toward a more direct, less filtered writing style than many alternatives.
With a 500,000-token context window, it can hold a long-running roleplay or a full lorebook in memory without losing earlier plot details, so it suits multi-session campaigns and character cards with heavy backstory.
It sits in the mid-range on price, a reasonable pick for regular roleplay use without going for the cheapest option available.
Grok 4.5 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM.
Supplied by cv11, not written by Composite.
SpaceXAI: Grok 4.7 · SpaceXAI: Grok 4.6 · SpaceXAI: Grok Build 0.1