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Grok 4.20 Beta Reasoning
xai·xai/grok-4.20-reasoning-beta·GA·Closed·grok series
Grok model for agentic tool use, reasoning, coding, and live assistance
At a glance
Reference price$1.25 / $2.50 per 1M
Cache read $0.20 · Vercel AI Gateway
Lowest paid$1.25 / $2.50
Vercel AI Gateway Cloud
Context2,000,000
Output limit2,000,000
Capabilities
✓ Reasoning✓ Tool use? Structured output? Temperature✓ Attachments
Modalities
TextImagePDF
Knowledge cutoff—
Released / updated2026-03-11 / 2026-03-11
Quality & performance
Artificial Analysis doesn't cover this model (267 of 2059 have data). Quality data comes from independent evals covering widely used models.
Available at 1 providers1 with public prices
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| Vercel AI Gateway | Cloud | $1.25 | $2.50 | $0.20 | — | 2,000,000 | 2,000,000 |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Your usage cost
1Vercel AI Gateway$249.00
The cheapest paid channel is the only channel.
Benchmark
No upstream benchmark data for this model. For quality, see the Artificial Analysis intelligence score above.
Reasoning control
Upstream provides no control info
1 / 1 providers expose no reasoning control (reasoning_options: []).
Related models
Grok 4.6same series$2.00 / $6.00Grok 4.6 (xAI)same series$2.00 / $6.00Grok 4.6 (AWS Bedrock)same series$2.00 / $6.00DeepSeek V4 Procheaper alternative$0.435 / $0.87DeepSeek V4 Flashcheaper alternative$0.14 / $0.28DeepSeek V4 Flash 0731cheaper alternative$0.479 / $1.44MiniMax-M3cheaper alternative$0.30 / $1.20
Price historyone sample accumulated per data sync
Input listOutput listMin blended