# Qwen3.5 397B (Reasoning) vs Ultravox v0.4.1 Llama 3.1 8B

> Side-by-side benchmark comparison for Qwen3.5 397B (Reasoning) and Ultravox v0.4.1 Llama 3.1 8B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/qwen3-5-397b-reasoning-vs-ultravox-v0-4-1-llama-3-1-8b
- Last updated: September 18, 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 Qwen3.5 397B (Reasoning) and Ultravox v0.4.1 Llama 3.1 8B.

## Summary

- Qwen3.5 397B (Reasoning) and Ultravox v0.4.1 Llama 3.1 8B 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 | Qwen3.5 397B (Reasoning) | Ultravox v0.4.1 Llama 3.1 8B |
|----------|----------|----------|
| Creator | Alibaba | Fixie AI |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Non-Reasoning |
| Context | 128K | N/A |
| Independent public score (not head-to-head) | 57.54 | null |
| Benchmarks Covered | 0 | 0 |
| Pricing (input/output) | $0.60 / $3.60 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

## FAQ

### Can I compare Qwen3.5 397B (Reasoning) and Ultravox v0.4.1 Llama 3.1 8B 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

- [Qwen3.5 397B (Reasoning) vs Qwen3.5 397B](/compare/qwen3-5-397b-vs-qwen3-5-397b-reasoning)
- [Ultravox v0.4.1 Llama 3.1 8B vs Qwen3.5 397B](/compare/qwen3-5-397b-vs-ultravox-v0-4-1-llama-3-1-8b)
- [Qwen3.5 397B (Reasoning) vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-qwen3-5-397b-reasoning)
- [Ultravox v0.4.1 Llama 3.1 8B vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-ultravox-v0-4-1-llama-3-1-8b)

## Explore More

- [Qwen3.5 397B (Reasoning) profile](/models/qwen3-5-397b-reasoning)
- [Ultravox v0.4.1 Llama 3.1 8B profile](/models/ultravox-v0-4-1-llama-3-1-8b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)