The Orchestrator › Models › xAI
xAI: Grok 4.20 Reasoning
xai's grok 4.20 reasoning model. uses extended thinking to work through complex problems, returning a reasoning trace alongside the final answer. llm reasoning coding agentic
Specifications
| Provider | xAI |
| Model ID | x-ai/grok-4.20-0309-reasoning |
| Context window | — |
| Modalities | text → text |
| Tokenizer | — |
| Router sources | Cloudflare |
| Released | — |
| Tracked since | 2026-11-14 |
| Popularity | Not in the ranked set |
| Reasoning | — |
Pricing (per million tokens)
| Variant | Source | API ID | Input | Output | Context |
|---|---|---|---|---|---|
| standard | Cloudflare | x-ai/grok-4.20-0309-reasoning | $2.00 | $6.00 | — |
Recorded price history
| Date | Input / 1M | Output / 1M | Context |
|---|---|---|---|
| 2026-11-14 | $2.00 | $6.00 | — |
Capabilities
Text in, text out — no special capability markers in the catalog data
Trust flags come from TrustedRouter's per-provider attestations.
Supported parameters
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