# Phi-4 vs reflex 4B

> Side-by-side benchmark comparison for Phi-4 and reflex 4B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/phi-4-vs-reflex-4b
- Last updated: October 1, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Phi-4 and reflex 4B.

## Summary

- Phi-4 and reflex 4B do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | Phi-4 | reflex 4B |
|----------|----------|----------|
| Creator | Microsoft | kshetrajna12 |
| Type | Open Weight | Open Weight |
| Reasoning | Non-Reasoning | Non-Reasoning |
| Context | 16K | null |
| Independent public score (not head-to-head) | 26.37 | null |
| Benchmarks Covered | 1 | 2 |
| Pricing (input/output) | $0.00 / $0.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Reasoning

- Winner: Insufficient shared evidence
- Phi-4 public-lane score: 22.1 (Unranked · 2 rankable rows)
- reflex 4B public-lane score: Coming soon

| Benchmark | Phi-4 | reflex 4B | Winner |
|-----------|-----------|-----------|--------|
| JevBench 1.4 | Coming soon | 53.99 | Coming soon |
| JevBench 1.5 | Coming soon | 65.24 | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Phi-4 public-lane score: 23.2 (Estimated · #161/170)
- reflex 4B public-lane score: Coming soon

### Multilingual

- Winner: Insufficient shared evidence
- Phi-4 public-lane score: 1 (#16/16)
- reflex 4B public-lane score: Coming soon

| Benchmark | Phi-4 | reflex 4B | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | 49.9% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Phi-4 public-lane score: 27.4 (#120/124)
- reflex 4B public-lane score: Coming soon

## FAQ

### Can I compare Phi-4 and reflex 4B on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

- [Phi-4 vs GPT-6 Astra](/compare/gpt-6-astra-vs-phi-4)
- [reflex 4B vs GPT-6 Astra](/compare/gpt-6-astra-vs-reflex-4b)
- [Phi-4 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-phi-4)
- [reflex 4B vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-reflex-4b)

## Explore More

- [Phi-4 profile](/models/phi-4)
- [reflex 4B profile](/models/reflex-4b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)