Provider comparison · Updated 10 Oct 2026
Microsoft vs xAI
9 models vs 7 models
Microsoft is cheaper at the median: $0.35 against $1.25 per 1M input tokens across paid models, about 3.6× less. Its cheapest paid model, Phi 4 ($0.07), compares with Grok Build 0.1 ($1.00) at xAI. Microsoft lists 9 models; xAI lists 7 models.
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ModelsAtlas. “Microsoft vs xAI”. Retrieved 10 Oct 2026. https://modelsatlas.com/compare-providers/microsoft/xai
At a glance
Standard tier · highlighted = better
Microsoft
xAI
Models listed
9
7
Cheapest paid input / 1M
$0.07
$1.00
Median paid input / output
$0.35 / $0.38
$1.25 / $2.50
Highest input / 1M
$0.62
$2.00
Largest context
66K
2M
Models with a batch tier
0 of 9
1 of 7
Open-weight models
7
0
Free models
0
0
Vision models listed
1
0
Costs for real workloads
Cheapest paid model from each provider that fits the job · monthly
Derived from standard-tier prices, 30 days. “Fits the job” means the context window holds the prompt and reply. Excludes batch and caching.
Cheapest model for each capability
Input / output per 1M
| Capability | Microsoft | xAI |
|---|---|---|
| 1M context | None listed | Grok 4.20 $1.25 / $2.50 |
Line-up by price tier
Paid models · input per 1M
| Tier | Microsoft | xAI |
|---|---|---|
| Flagship $3+ | None listed | None listed |
| Mid $0.50–$3 | WizardLM-2 8x22B $0.62 | Grok Build 0.1 $1.00 Grok 4.20 $1.25 Grok 4.20 Multi-Agent $1.25 Grok 4.3 $1.25 Grok 4.5 $2.00 +2 more |
| Budget under $0.50 | Phi 4 $0.07 | None listed |
| Open weights any price | None listed | None listed |
Questions
Is Microsoft or xAI cheaper?
Microsoft at the median: $0.35 against $1.25 for xAI per 1M input tokens. Median is across each provider's paid standard-tier models, so a provider with many small models can look cheaper than its flagship is.
Which provider has more models?
Microsoft lists more: Microsoft 9, xAI 7. Counts are models with a page in our catalogue.
Do both offer batch pricing?
Microsoft: no batch tier listed. xAI: 1 model list a batch tier. Where a model lists both, batch is a median 80% for xAI.
Which has the larger context window?
xAI has the larger: WizardLM-2 8x22B (66K tokens) at Microsoft, Grok 4.20 (2M) at xAI.
Does either provider offer open-weight models?
Microsoft: 7 open-weight models. xAI: none marked open-weight.
Does either have free models?
Microsoft: none listed at no per-token charge. xAI: none.
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Keep going in your AI
Opens with this page as the source. We add nothing else to the prompt.
- Is Microsoft or xAI cheaper?
- Which provider has more models?
- Do both offer batch pricing?