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grok-4.20-0309-reasoning API Price
xAI · grok-4.20-0309-reasoning
| Billing | USD · 1M tokens |
|---|---|
| Context Window | 1000K tokens |
| Modalities | Text |
| Deep Thinking | Supported |
| Batch API | 20% off (input $0.25 / output $0.5) |
| Verified Date | 2026-10-10 |
| Official pricing page | docs.x.ai/developers/pricing ↗ |
Source text: the note below is the model's official text, kept in its original Chinese and not translated.
Batch API 折扣 20%
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Pricing Tiers
| Tier | Price | Description |
|---|---|---|
| short context（<200k tokens） | in $1.25 / out $2.5 /1M tokens | — |
| long context（≥200k tokens） | in $2.5 / out $5 /1M tokens | prompt 达到长上下文阈值后，该请求全部 tokens 按长上下文费率计费 |
Monthly Cost Estimate
30 days · no cache hits · list price
Free quotas, tiered pricing, batch discounts, and time-based pricing are not included; refer to official bills.
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FAQ
How much does the grok-4.20-0309-reasoning API cost?
Input $1.25/1M tokens, output $2.5/1M tokens
How large is the grok-4.20-0309-reasoning context window?
1000K tokens. Handles long documents, multi-turn conversations and large-scale inputs.
Which input modalities does grok-4.20-0309-reasoning support?
Text. Supports deep thinking / reasoning.
Does grok-4.20-0309-reasoning offer Batch API discounts?
Yes. The Batch API gets 20% off — input $0.25/1M tokens, output $0.5/1M tokens. Suited to non-realtime, asynchronous workloads.
What is the approximate monthly cost of grok-4.20-0309-reasoning?
Depends on volume: light use (1M input + 300K output per day) ≈ $60/month; medium (5M + 1.5M) ≈ $300/month; heavy agents (10M + 3M) ≈ $600/month. Cache hits, batch discounts and tiered pricing can lower this further.
How does grok-4.20-0309-reasoning compare with peers on value?
xAI grok-4.20-0309-reasoning is priced low among comparable models; compare against GPT-4o, Claude 3.5 and Gemini 2.5. See the Pricemon market table for a full comparison.
What use cases suit grok-4.20-0309-reasoning?
Good for: chat systems, customer support, content generation, coding assistance, data analysis.The long context supports deep-analysis scenarios.
Does grok-4.20-0309-reasoning have a free tier?
Check xAI's official pricing page for the latest free quota, trial policy and tiered pricing. Policies differ by vendor and change over time.