Google Vertex AI vs xAI
Same workloads, both price lists, refreshed daily. List prices tie on all 5 shared line items today, so the choice comes down to platform differences (routing, limits, tooling), summarized below.
Google Vertex AI
Gemini plus 100+ models in Google Cloud's ML platform, with enterprise governance, grounding and tuning pipelines..
- Enterprise governance
- Grounding with Google Search
- Model Garden variety
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 | Google Vertex AI in/out | xAI in/out | Cheaper input |
|---|---|---|---|
| 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.