# GPT-5.4 Pro vs Interfaze Beta

> Side-by-side benchmark comparison for GPT-5.4 Pro and Interfaze Beta across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-5-4-pro-vs-interfaze-beta
- 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 GPT-5.4 Pro and Interfaze Beta.

## Summary

- GPT-5.4 Pro and Interfaze Beta 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-5.4 Pro | Interfaze Beta |
|----------|----------|----------|
| Creator | OpenAI | Interfaze |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1.05M | 1M |
| Independent public score (not head-to-head) | 60.49 | null |
| Benchmarks Covered | 10 | 9 |
| Pricing (input/output) | $30.00 / $180.00 | $1.50 / $3.50 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- GPT-5.4 Pro public-lane score: 56.4 (Estimated · #35/154)
- Interfaze Beta public-lane score: Coming soon

| Benchmark | GPT-5.4 Pro | Interfaze Beta | Winner |
|-----------|-----------|-----------|--------|
| BrowseComp | 89.3% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- GPT-5.4 Pro public-lane score: Coming soon
- Interfaze Beta public-lane score: Coming soon

| Benchmark | GPT-5.4 Pro | Interfaze Beta | Winner |
|-----------|-----------|-----------|--------|
| Spider 2.0-Lite | Coming soon | 52.9% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- GPT-5.4 Pro public-lane score: Coming soon
- Interfaze Beta public-lane score: 27.6 (Unranked · 5 rankable rows)

| Benchmark | GPT-5.4 Pro | Interfaze Beta | Winner |
|-----------|-----------|-----------|--------|
| OCRBench V2 | Coming soon | 70.7% | Coming soon |
| olmOCR | Coming soon | 85.7% | Coming soon |
| RefCOCO (avg) | Coming soon | 82.1% | Coming soon |
| MMMU-Pro | Coming soon | 71.1% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- GPT-5.4 Pro public-lane score: 70.2 (Unranked · 2 rankable rows)
- Interfaze Beta public-lane score: Coming soon

| Benchmark | GPT-5.4 Pro | Interfaze Beta | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 83.3% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- GPT-5.4 Pro public-lane score: 59 (Estimated · #39/184)
- Interfaze Beta public-lane score: 49 (Estimated · #89/184)

| Benchmark | GPT-5.4 Pro | Interfaze Beta | Winner |
|-----------|-----------|-----------|--------|
| HLE | 58.7% | Coming soon | Coming soon |
| FrontierScience | 36.7% | Coming soon | Coming soon |
| FrontierScience Research | 36.7% | Coming soon | Coming soon |
| HLE w/o tools | 42.7% | Coming soon | Coming soon |
| GPQA | Coming soon | 89.9% | Coming soon |
| GPQA-D | Coming soon | 89.9% | Coming soon |
| MMMLU | Coming soon | 90.9% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- GPT-5.4 Pro public-lane score: Coming soon
- Interfaze Beta public-lane score: Coming soon

| Benchmark | GPT-5.4 Pro | Interfaze Beta | Winner |
|-----------|-----------|-----------|--------|
| SOB Value Acc | Coming soon | 79.5% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- GPT-5.4 Pro public-lane score: 68.8 (Unranked · 4 rankable rows)
- Interfaze Beta public-lane score: Coming soon

| Benchmark | GPT-5.4 Pro | Interfaze Beta | Winner |
|-----------|-----------|-----------|--------|
| IPhO 2025 (Theory) | 93.5% | Coming soon | Coming soon |
| FrontierMath (legacy) | 50% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 50.000% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 37.500% | Coming soon | Coming soon |

## FAQ

### Can I compare GPT-5.4 Pro and Interfaze Beta 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-5.4 Pro vs GPT-5.4](/compare/gpt-5-4-vs-gpt-5-4-pro)
- [Interfaze Beta vs GPT-5.4](/compare/gpt-5-4-vs-interfaze-beta)
- [GPT-5.4 Pro vs GPT-5.4 mini](/compare/gpt-5-4-mini-vs-gpt-5-4-pro)
- [Interfaze Beta vs GPT-5.4 mini](/compare/gpt-5-4-mini-vs-interfaze-beta)

## Explore More

- [GPT-5.4 Pro profile](/models/gpt-5-4-pro)
- [Interfaze Beta profile](/models/interfaze-beta)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)