SpaceXAI: Grok 4.5
SpaceXAI Grok 4.5 from x-ai is designed for handling text, images, and files, with an impressive context length of 500,000 tokens. It supports tools and reasoning, enabling more practical applications. Although it offers robust capabilities in certain areas, its benchmark coverage is limited to three independent tests, providing a blended score of 91.5 but leaving some areas unproven. This model could be valuable for businesses requiring versatile AI solutions at a price point of $2.0 per million input tokens and $6.0 per million output tokens, making it accessible yet cost-effective.
Benchmark results
Independent, published benchmarks. Blended score 91.5 across 3 benchmarks, last refreshed 2026-08-23. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 92.0 |
| AI Index Coding | software engineering tasks | 100.0 |
| AI Index Agentic | multi-step tool-using tasks | 80.6 |
- Model ID
- x-ai/grok-4.5
- Vendor
- x-ai
- Released
- July 2026
- Tokenizer
- Grok
- Input Modalities
- text, image, file
- Output Modalities
- text
- Max Output
- default
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- ✓ supported
- Vision
- ✓ accepts images
- Audio
- no
- Moderated
- no
What it costs in practice
Computed from the current $2.00/M input and $6.00/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | $0.07 |
| Classify 1,000 customer emails | 500k in / 50k out | $1.30 |
| A month of a busy support chatbot | 5M in / 2M out | $22.00 |
Category rankings
Where SpaceXAI: Grok 4.5 places across the 24 categories it ranks in. How we rank →
| # | Category | Score |
|---|---|---|
| #18 | Diagram ExtractionVision · of 25 ranked | 150 |
| #19 | Frontend Component DesignCode · of 25 ranked | 147 |
| #19 | Screenshot DebuggingVision · of 25 ranked | 143 |
| #19 | Chart & Graph ReadingVision · of 25 ranked | 153 |
| #19 | Function / Tool CallingAgents · of 25 ranked | 155 |
| #20 | OCR / Document ParsingData · of 25 ranked | 147 |
| #20 | Table Extraction from PDFsData · of 25 ranked | 147 |
| #22 | Browser AutomationAgents · of 25 ranked | 173 |
| #23 | Sales / Cold EmailBusiness · of 25 ranked | 123 |
| #23 | Job Application DraftingBusiness · of 25 ranked | 123 |
| #23 | Journaling HelperPersonal · of 25 ranked | 123 |
| #23 | Recipe GenerationPersonal · of 25 ranked | 123 |
| #24 | SQL GenerationCode · of 25 ranked | 172 |
| #24 | Resume WritingBusiness · of 25 ranked | 118 |
| #24 | Fitness CoachingPersonal · of 25 ranked | 135 |
| #25 | Regex WritingCode · of 25 ranked | 136 |
| #25 | Data AnalysisData · of 25 ranked | 172 |
| #25 | Marketing CopyWriting · of 25 ranked | 131 |
| #25 | Language TranslationWriting · of 25 ranked | 136 |
| #25 | Math TutoringEducation · of 25 ranked | 148 |
| #25 | Standardized Test PrepEducation · of 25 ranked | 131 |
| #25 | SOP / Process DocsBusiness · of 25 ranked | 137 |
| #25 | Tutoring for KidsPersonal · of 25 ranked | 136 |
| #25 | Experiment DesignResearch · of 25 ranked | 158 |
Similar models
SpaceXAI: Grok 4.6
SpaceXAI: Grok Build 0.1
SpaceXAI: Grok 4.3
SpaceXAI: Grok 4.20
SpaceXAI: Grok 4.20 Multi-Agent
Quick answers
- How much does SpaceXAI: Grok 4.5 cost?
- $2.00 per million input tokens and $6.00 per million output tokens.
- What is SpaceXAI: Grok 4.5's context window?
- 500,000 tokens, roughly 750 pages of text in a single request.
- Does SpaceXAI: Grok 4.5 support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can SpaceXAI: Grok 4.5 process images?
- Yes, it accepts image input.