SpaceXAI: Grok 4.20
SpaceXAI Grok 4.20 is an advanced AI model from x-ai capable of processing text, images, and files, with a context length of two million tokens. It supports reasoning and tools integration but lacks structured output, making it versatile for various tasks that require analysis or data manipulation. This model should be considered by those needing a powerful tool for handling diverse input types at a blended benchmark score of 62.0 across two independent benchmarks. With pricing at $1.25 per million input tokens and $2.5 per million output tokens, it offers reasonable costs for its capabilities; however, the relatively low benchmark coverage may limit its suitability for complex or specialized applications.
Benchmark results
Independent, published benchmarks. Blended score 62.0 across 2 benchmarks, last refreshed 2026-08-13. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 62.6 |
| EQ-Bench | emotional understanding in dialogue | 55.8 |
- Model ID
- x-ai/grok-4.20
- Vendor
- x-ai
- Released
- March 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 $1.25/M input and $2.50/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | $0.04 |
| Classify 1,000 customer emails | 500k in / 50k out | $0.75 |
| A month of a busy support chatbot | 5M in / 2M out | $11.25 |
Category rankings
Where SpaceXAI: Grok 4.20 places across the 1 category it ranks in. How we rank →
| # | Category | Score |
|---|---|---|
| #16 | Transcript CleanupWriting · of 25 ranked | 144 |
Similar models
SpaceXAI: Grok 4.6
SpaceXAI: Grok 4.5
SpaceXAI: Grok Build 0.1
SpaceXAI: Grok 4.3
SpaceXAI: Grok 4.20 Multi-Agent
Quick answers
- How much does SpaceXAI: Grok 4.20 cost?
- $1.25 per million input tokens and $2.50 per million output tokens.
- What is SpaceXAI: Grok 4.20's context window?
- 2,000,000 tokens, roughly 3,000 pages of text in a single request.
- Does SpaceXAI: Grok 4.20 support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can SpaceXAI: Grok 4.20 process images?
- Yes, it accepts image input.