xAI models cost from $1.00 (Grok Build 0.1) to $2.00 (Grok 4.5) per 1M input tokens on the standard tier. 1 model has a batch tier, a median 80% of standard.
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Cite
Cite this page
ModelsAtlas. “xAI API pricing”. Retrieved 10 Oct 2026. https://modelsatlas.com/pricing/xai
- Cheapest input
$1.00
observed We measured- Source
- Our catalogue
- Retrieved
- 17 Aug 2026
- Highest input
$2.00
observed We measured- Source
- Our catalogue
- Retrieved
- 17 Aug 2026
- Batch tier
- 1 of 7
- Free
- None listed
Grok Build 0.1
Grok 4.5
Models
Models at no per-token charge
Every xAI model by tier
USD per 1M tokens · input / output
| Model | Standard | Batch | Batch saves* | Context | |
|---|---|---|---|---|---|
| Grok 4.5xAI | $2.00 / $6.00 | — | — | 500K | Cheaper options |
| Grok 4.6xAI | $2.00 / $6.00 | — | — | 500K | Cheaper options |
| Grok 4.7xAI | $2.00 / $6.00 | — | — | 500K | Cheaper options |
| Grok 4.20xAI | $1.25 / $2.50 | — | — | 2M | Cheaper options |
| Grok 4.20 Multi-AgentxAI | $1.25 / $2.50 | — | — | 2M | Cheaper options |
| Grok 4.3xAI | $1.25 / $2.50 | $1.00 / $2.00 | $34.50/mo | 1M | Cheaper options |
| Grok Build 0.1xAI | $1.00 / $2.00 | — | — | 256K | Cheaper options |
Compare xAI pricing
Questions
What is the cheapest xAI model?
Grok Build 0.1 at $1.00 per 1M input tokens and $2.00 per 1M output on the standard tier.
Does xAI offer batch pricing?
1 model of 7 lists a batch tier in our catalogue; where the same model lists both, batch is a median 80% of standard. The table shows each one.
Does xAI have a free tier?
No xAI model is listed at no per-token charge.
Sources
- Our catalogue — prices and tiersObserved · 17 Aug 2026
- Our catalogue — context windowsObserved · 17 Aug 2026
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Opens with this page as the source. We add nothing else to the prompt.
- What is the cheapest xAI model?
- Does xAI offer batch pricing?
- Does xAI have a free tier?