Azure AI Foundry vs xAI
Same workloads, both price lists, refreshed daily. List prices tie on nearly all 6 shared line items today, so the choice comes down to platform differences (routing, limits, tooling), summarized below.
Azure AI Foundry
OpenAI models with Azure enterprise controls plus a broad third-party model catalog. The compliance-friendly way to run GPT-class models.
- Azure compliance/enterprise controls
- OpenAI models with SLAs
- Provisioned throughput
xAI
Grok models via API with live X data access and competitive frontier pricing tiers..
- Real-time X data grounding
- Competitive frontier pricing
Shared models, priced by both
List prices refreshed 2026-10-08 ยท input $/1M tokens| Model | Azure AI Foundry in/out | xAI in/out | Cheaper input |
|---|---|---|---|
| Grok-Code-Fast-1 | $0.200 / $1.50 | $1.00 / $2.00 | Azure AI Foundry |
| Grok 4.3 | $1.25 / $2.50 | $1.25 / $2.50 | tie |
| Grok-4-20-Reasoning | $1.25 / $2.50 | $1.25 / $2.50 | tie |
| Grok-4-20-Non-Reasoning | $1.25 / $2.50 | $1.25 / $2.50 | tie |
| Grok 4.6 | $2.00 / $6.00 | $2.00 / $6.00 | tie |
| Grok 4.7 | $2.00 / $6.00 | $2.00 / $6.00 | tie |
Cheaper-on-count is a tally of listed prices, not a quality verdict: throughput, reliability and quantization differ between providers. Disclosure.