# GPT-5.1-Codex vs LFM3-Audio-2B

> Side-by-side benchmark comparison for GPT-5.1-Codex and LFM3-Audio-2B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-5-1-codex-vs-lfm3-audio-2b
- Last updated: October 27, 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 GPT-5.1-Codex and LFM3-Audio-2B.

## Summary

- GPT-5.1-Codex and LFM3-Audio-2B 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 | GPT-5.1-Codex | LFM3-Audio-2B |
|----------|----------|----------|
| Creator | OpenAI | LiquidAI |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 400K | 32K |
| Independent public score (not head-to-head) | 50.7 | null |
| Benchmarks Covered | 4 | 0 |
| Pricing (input/output) | $1.25 / $10.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- GPT-5.1-Codex public-lane score: Coming soon
- LFM3-Audio-2B public-lane score: Coming soon

| Benchmark | GPT-5.1-Codex | LFM3-Audio-2B | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | 49.68% | Coming soon | Coming soon |
| JobBench | 26.2% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- GPT-5.1-Codex public-lane score: 34 (Estimated · #85/155)
- LFM3-Audio-2B public-lane score: Coming soon

| Benchmark | GPT-5.1-Codex | LFM3-Audio-2B | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | 13.12% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 85.6% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- GPT-5.1-Codex public-lane score: 72.6 (Unranked · 2 rankable rows)
- LFM3-Audio-2B public-lane score: Coming soon

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- GPT-5.1-Codex public-lane score: 72.2 (Unranked · 1 rankable row)
- LFM3-Audio-2B public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- GPT-5.1-Codex public-lane score: 51.8 (Estimated · #75/189)
- LFM3-Audio-2B public-lane score: Coming soon

### Instruction Following

- Winner: Insufficient shared evidence
- GPT-5.1-Codex public-lane score: 85.6 (#52/156)
- LFM3-Audio-2B public-lane score: Coming soon

## FAQ

### Can I compare GPT-5.1-Codex and LFM3-Audio-2B 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

- [GPT-5.1-Codex vs LFM3-1.7B](/compare/gpt-5-1-codex-vs-lfm3-1-7b)
- [LFM3-Audio-2B vs LFM3-1.7B](/compare/lfm3-1-7b-vs-lfm3-audio-2b)
- [GPT-5.1-Codex vs LFM3-1.7B-Base](/compare/gpt-5-1-codex-vs-lfm3-1-7b-base)
- [LFM3-Audio-2B vs LFM3-1.7B-Base](/compare/lfm3-1-7b-base-vs-lfm3-audio-2b)

## Explore More

- [GPT-5.1-Codex profile](/models/gpt-5-1-codex)
- [LFM3-Audio-2B profile](/models/lfm3-audio-2b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)