SpaceXAI: Grok 4.5x-ai
Bottom Line
SpaceXAI: Grok 4.5: $2.00/1M input, $6.00/1M output, 500K context, CPS grade A. Grok 4.5 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM.
API Pricing (per 1M tokens)
| Input | $2.00 |
| Output | $6.00 |
| Cache Read | — |
| Cache Write | — |
| Blended (3:1) | $3.00 |
Specs & Performance
| Context Length | 500K |
| Max Output | 450K |
| Intelligence | 39 |
| Coding | 72 |
| Math | — |
| Speed | — |
| TTFT | — |
| CPS Grade | A |
| Input / Output Modalities | text, image, file → text |
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FAQ
How much does the SpaceXAI: Grok 4.5 API cost?
SpaceXAI: Grok 4.5 costs $2.00/1M input tokens and $6.00/1M output tokens. Blended cost at a 3:1 ratio is about $3.00/1M tokens.
What is the context window of SpaceXAI: Grok 4.5?
SpaceXAI: Grok 4.5 supports a 500K token context window with up to 450K output tokens.
Is SpaceXAI: Grok 4.5 worth it?
SpaceXAI: Grok 4.5 has a CPS grade of A (score 66), intelligence index 39, coding index 72. Use the compare page to benchmark against rivals.