xAI: Grok 4.20
x-ai/grok-4.20
Grok 4.20 is a reasoning model from xAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering...
Prompt $/1M
$1.250
Completion $/1M
$2.500
Context
2,000,000 tok
Best provider
225 tok/s · Artificial Analysis
Specs
- Model id
- x-ai/grok-4.20
- Display name
- xAI: Grok 4.20
- Modality
- text+image+file->text
- Tokenizer
- Grok
- Instruct type
- —
- Context length
- 2,000,000
- Max completion
- —
- Prompt $/1M
- $1.250
- Completion $/1M
- $2.500
- Free tier
- no
Capabilities
- Function callingno
- JSON modeno
- System promptno
- Visionno
- Moderatedno
Benchmark scores
Each axis is one benchmark, normalized to the best model in the field.
No benchmark data for this model.
Speed by provider
| Provider | tok/s |
|---|---|
| Artificial Analysis | 225 |
| xAIfastest | 127 |