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Grok 4.20 (Non-Reasoning)
xai·xai/grok-4.20-0309-non-reasoning·BETA·Closed·grok series
Grok model for agentic tool use, reasoning, coding, and live assistance
At a glance
Official price$1.25 / $2.50 per 1M
Cache read $0.20 · xAI
Lowest paid$1.25 / $2.50
Impossibl Gateway · 1.6× spread
Context1,000,000
⚠ Providers report 262,000–2,000,000; the table below is authoritative
Output limit30,000
Capabilities
Reasoning✓ Tool use✓ Structured output✓ Temperature✓ Attachments
⚠ Providers report capability flags inconsistently
Modalities
TextImagePDF
Knowledge cutoff2025-09
Released / updated2026-03-09 / 2026-03-09
Quality & performanceArtificial Analysis · Intelligence Index v4.1 · rep. tier Non-reasoning
Intelligence22.9
Value15
Coding—
Agentic—
Output speed—
TTFT—
Value formulaIQ 22.9 ÷ min blended $1.563 = 15
Reasoning tier → intelligence / speed (higher tier = stronger but slower)
Non-reasoningIQ 22.2 · 85 tok/s
Non-reasoningIQ 22.9
Quality is independently evaluated by Artificial Analysis. Speed/latency are model-level medians.
Available at 8 providers8 with public prices
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| Impossibl | Gateway | $1.25 | $2.50 | $0.20 | — | 1,000,000 | 30,000 | |
| xAIOfficial | First-party | $1.25 tiered >200K: $2.50 | $2.50 | $0.20 | — | 1,000,000 | 30,000 | |
| Merge Gateway | Gateway | $1.25 | $2.50 | $0.20 | — | 1,000,000 | 1,000,000 | |
| Vercel AI Gateway spacexai/grok-4.20-non-reasoning | Cloud | $1.25 | $2.50 | $0.20 | — | 2,000,000 ⚠ | 2,000,000 | |
| Eden AI | Gateway | $1.25 tiered >200K: $2.50 | $2.50 | $0.20 | — | 1,000,000 | 30,000 | |
| DevPass (LLM Gateway) grok-4-20-non-reasoning | Gateway | $1.25 tiered >200K: $2.50 | $2.50 | $0.20 | — | 2,000,000 ⚠ | 30,000 | |
| Azure grok-4-20-non-reasoning | First-party | $2.00 | $6.00 | — | — | 262,000 ⚠ | 8,192 | beta |
| DevPass (LLM Gateway) grok-4-20-beta-0309-non-reasoning | Gateway | $2.00 tiered >200K: $2.50 | $6.00 | $0.20 | — | 2,000,000 ⚠ | 30,000 |
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
1Impossibl$249.00
2xAI · Official$249.00
3Merge Gateway$249.00
4Vercel AI Gateway$249.00
5Eden AI$249.00
6DevPass (LLM Gateway)$249.00
Switch to Impossibl to save $0.00/mo (0%). The gap is small, so staying on the official channel is fine.
Note: this is a gateway; verify availability and rate limits yourself.
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 / $6.00Qwen3 Coder Flashcheaper alternative$0.144 / $0.574DeepSeek Chatcheaper alternative$0.14 / $0.28Llama 4 Maverick 17B Instructcheaper alternative$0.50 / $1.50Lyria 3 Clip Previewcheaper alternative$0 / $0
Price historyone sample accumulated per data sync
Input listOutput listMin blended