Model comparison
Grok Build 0.1 vs Phi-4 Mini
Grok Build 0.1 is the stronger model overall, scoring 36.4 to 30.9 on the Noometry Index. Phi-4 Mini costs 9.5× less per token, which makes it the better buy when Grok Build 0.1's lead doesn't matter for your workload.
Last verified . 2 shared benchmarks.
MicrosoftSummary
- They share 2 benchmarks with published results for both. Grok Build 0.1 scores higher in 2 categories and Phi-4 Mini in 0 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in coding, where Grok Build 0.1 leads 43.1 to 28.1.
- The biggest single-benchmark swing is SciCode: 50.2% for Grok Build 0.1 and 10.8% for Phi-4 Mini.
- Phi-4 Mini is cheaper at $0.075 / $0.30 per million input/output tokens, against $1 / $2 for Grok Build 0.1.
- Grok Build 0.1 accepts more context: 256K tokens versus 128K.
- Phi-4 Mini has downloadable open weights; the other is API-only.
Side by side
| Grok Build 0.1 | Phi-4 Mini | |
|---|---|---|
| Provider | xAI | Microsoft |
| Noometry Index | 36.4 | 30.9 |
| Released | 2026-04-16 | 2024-12-11 |
| Weights | Proprietary | Open |
| Context window | 256K | 128K |
| Max output | 256K | 4K |
| Input $ / M tokens | $1 | $0.075 |
| Output $ / M tokens | $2 | $0.30 |
| Results tracked | 3 | 3 |
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Category by category
Coding Grok Build 0.1 leads
Grok Build 0.1: 43.1 (#91), Phi-4 Mini: 28.1 (#317)
| Benchmark | Grok Build 0.1 | Phi-4 Mini |
|---|---|---|
| SciCode | 50.2% | 10.8% |
Agentic & Tool Use Not comparable
Grok Build 0.1: 22.7 (#129), Phi-4 Mini: —
| Benchmark | Grok Build 0.1 | Phi-4 Mini |
|---|---|---|
| GBAEval | 2.4% | — |
Reasoning Grok Build 0.1 leads
Grok Build 0.1: 32.2 (#77), Phi-4 Mini: 22.4 (#195)
| Benchmark | Grok Build 0.1 | Phi-4 Mini |
|---|---|---|
| CritPt | 9.1% | 0% |
Knowledge Not comparable
Grok Build 0.1: —, Phi-4 Mini: 25.3 (#262)
| Benchmark | Grok Build 0.1 | Phi-4 Mini |
|---|---|---|
| Vectara Hallucination Rate | — | 23.5% |
Frequently asked questions
Is Grok Build 0.1 better than Phi-4 Mini?
Grok Build 0.1 is the stronger model overall, scoring 36.4 to 30.9 on the Noometry Index. Phi-4 Mini costs 9.5× less per token, which makes it the better buy when Grok Build 0.1's lead doesn't matter for your workload.
Which is cheaper, Grok Build 0.1 or Phi-4 Mini?
Phi-4 Mini is cheaper. It lists at $0.075 per million input tokens and $0.30 per million output tokens; Grok Build 0.1 lists at $1 and $2.
Is Grok Build 0.1 or Phi-4 Mini better for coding?
Grok Build 0.1 scores higher on coding benchmarks: 43.1 versus 28.1 in the Noometry coding category.
Which has the bigger context window?
Grok Build 0.1 does, with 256K tokens against 128K.
How many benchmarks do Grok Build 0.1 and Phi-4 Mini share?
2 benchmarks have published results for both models. Grok Build 0.1 has 3 scored results on Noometry and Phi-4 Mini has 3.