# Phi-4 vs Qwen3.5 397B (Reasoning)

> Side-by-side benchmark comparison for Phi-4 and Qwen3.5 397B (Reasoning) across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/phi-4-vs-qwen3-5-397b-reasoning
- Last updated: September 4, 2026

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

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Phi-4 and Qwen3.5 397B (Reasoning).

## Summary

- Phi-4 and Qwen3.5 397B (Reasoning) 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 | Qwen3.5 397B (Reasoning) |
|----------|----------|----------|
| Creator | Microsoft | Alibaba |
| Type | Open Weight | Open Weight |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 16K | 128K |
| Independent public score (not head-to-head) | 32.91 | 58.89 |
| Benchmarks Covered | 0 | 0 |
| Pricing (input/output) | $0.00 / $0.00 | $0.60 / $3.60 |

## Category Breakdown

### Coding

- Winner: Insufficient shared evidence
- Phi-4 public-lane score: 34.7 (Estimated · #158/183)
- Qwen3.5 397B (Reasoning) public-lane score: Coming soon

### Reasoning

- Winner: Insufficient shared evidence
- Phi-4 public-lane score: 21 (Unranked · 2 rankable rows)
- Qwen3.5 397B (Reasoning) public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- Phi-4 public-lane score: 33.2 (Estimated · #171/181)
- Qwen3.5 397B (Reasoning) public-lane score: Coming soon

### Instruction Following

- Winner: Insufficient shared evidence
- Phi-4 public-lane score: 28.5 (#113/120)
- Qwen3.5 397B (Reasoning) public-lane score: Coming soon

## FAQ

### Can I compare Phi-4 and Qwen3.5 397B (Reasoning) 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 Qwen3.5 397B](/compare/phi-4-vs-qwen3-5-397b)
- [Qwen3.5 397B (Reasoning) vs Qwen3.5 397B](/compare/qwen3-5-397b-vs-qwen3-5-397b-reasoning)
- [Phi-4 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-phi-4)
- [Qwen3.5 397B (Reasoning) vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-qwen3-5-397b-reasoning)

## Explore More

- [Phi-4 profile](/models/phi-4)
- [Qwen3.5 397B (Reasoning) profile](/models/qwen3-5-397b-reasoning)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)