SpaceXAI: Grok 4.20
The SpaceXAI: Grok 4.20 is an AI model that can process text, image, and file inputs up to 2 million characters in context. It supports tools and reasoning capabilities, allowing it to perform complex tasks. However, it does not provide structured output. Considering its price point of $1.25 per input token and $2.5 per output token, the SpaceXAI: Grok 4.20 may be a viable option for those who need high-capacity processing and tool support. Its blended benchmark score of 56.7 across two independent benchmarks suggests it can hold its own in performance. However, without more data on specific tasks or use cases, it's uncertain whether this model would outperform others in areas like AI Index (49.5) or EQBench (55.8).
Benchmark results
Independent, published benchmarks. Blended score 56.7 across 2 benchmarks, last refreshed 2026-09-06. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 49.5 |
| 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
- 1,800,000 tokens
- 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 |
|---|---|---|
| #15 | Transcript CleanupWriting · of 25 ranked | 143 |
Similar models
SpaceXAI: Grok 4.6
SpaceXAI: Grok 4.5
SpaceXAI: Grok Build 0.1
SpaceXAI: Grok 4.3
SpaceXAI: Grok 4.3 (batch)
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.