xAI: Grok 4.20 (Reasoning)
Grok model for agentic tool use, reasoning, coding, and live assistance
Cheapest input
$1.25
$/MTok · models.dev
Cheapest output
$2.50
$/MTok
Context
2M
tokens
Offers
6
2 sources
Offers
Same model, different listings. First-party, router, and aggregator rows stay separate so you can see the spread instead of a single blended number.
| Source | Provider | Input | Output | Cache read | Context |
|---|---|---|---|---|---|
| models.devcheapestxai/grok-4.20-reasoning | Vercel AI Gateway | $1.25 | $2.50 | $0.2 | 2M |
| models.devgrok-4-20-reasoning | LLM Gateway | $1.25 | $2.50 | $0.2 | 2M |
| models.devgrok-4-20-reasoning | Azure | $2 | $6 | $0 | 262K |
| LiteLLMxai/grok-4.20-reasoning | — | $2 | $6 | $0.2 | — |
| LiteLLMgrok-4.20-reasoning | — | $2 | $6 | $0.2 | — |
| LiteLLMvertex_ai/xai/grok-4.20-reasoning | — | $2 | $6 | $0.2 | — |
Capabilities
- Reasoning
- Tool calling
- Structured output
- Attachments
- In: text
- In: image
- In: pdf
- Out: text
Knowledge cutoff: 2025-09Released: 2026-04-08Family: grok