# BR-Voice-Reasoner vs GPT-5.6 Terra

> Side-by-side benchmark comparison for BR-Voice-Reasoner and GPT-5.6 Terra across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/br-voice-reasoner-vs-gpt-5-6-terra
- Last updated: September 10, 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 BR-Voice-Reasoner and GPT-5.6 Terra.

## Summary

- BR-Voice-Reasoner and GPT-5.6 Terra 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 | BR-Voice-Reasoner | GPT-5.6 Terra |
|----------|----------|----------|
| Creator | Bairong Xdynamics | OpenAI |
| Type | Open Weight | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | N/A | 1.05M |
| Independent public score (not head-to-head) | null | 71.13 |
| Benchmarks Covered | 0 | 31 |
| Pricing (input/output) | Pricing unavailable / Pricing unavailable | $2.50 / $15.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- BR-Voice-Reasoner public-lane score: Coming soon
- GPT-5.6 Terra public-lane score: 60.2 (Supported · #20/152)

| Benchmark | BR-Voice-Reasoner | GPT-5.6 Terra | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 3.0 | Coming soon | 20.8% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 87.4% | Coming soon |
| BrowseComp | Coming soon | 87.5% | Coming soon |
| OSWorld 2.0 | Coming soon | 50.2% | Coming soon |
| CyberGym | Coming soon | 81.8% | Coming soon |
| ExploitGym | Coming soon | 23.2% | Coming soon |
| Toolathlon | Coming soon | 53.1% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 77.5% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- BR-Voice-Reasoner public-lane score: Coming soon
- GPT-5.6 Terra public-lane score: 67 (Supported · #8/151)

| Benchmark | BR-Voice-Reasoner | GPT-5.6 Terra | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Pro | Coming soon | 63.4% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 87.4% | Coming soon |
| DeepSWE | Coming soon | 69.6% | Coming soon |
| FrontierCode 1.1 Extended | Coming soon | 55.8% | Coming soon |
| cursorBench32 | Coming soon | 64.9% | Coming soon |
| VulcanBench v3 | Coming soon | 87.0% | Coming soon |
| LiveCodeBench (Vals) | Coming soon | 85.9% | Coming soon |
| SWE-bench (Vals) | Coming soon | 95.4% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- BR-Voice-Reasoner public-lane score: Coming soon
- GPT-5.6 Terra public-lane score: 77.1 (#15/48)

| Benchmark | BR-Voice-Reasoner | GPT-5.6 Terra | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | Coming soon | 80.7% | Coming soon |
| MMMU-Pro w/ Python | Coming soon | 82% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- BR-Voice-Reasoner public-lane score: Coming soon
- GPT-5.6 Terra public-lane score: 63.7 (#14/20)

| Benchmark | BR-Voice-Reasoner | GPT-5.6 Terra | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | Coming soon | 83.9% | Coming soon |
| ARC-AGI-3 | Coming soon | 0.8% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- BR-Voice-Reasoner public-lane score: Coming soon
- GPT-5.6 Terra public-lane score: 69.2 (Supported · #16/183)

| Benchmark | BR-Voice-Reasoner | GPT-5.6 Terra | Winner |
|-----------|-----------|-----------|--------|
| GPQA | Coming soon | 92.9% | Coming soon |
| GPQA-D | Coming soon | 92.9% | Coming soon |
| HLE-Verified | Coming soon | 51.1% | Coming soon |
| LABBench2 | Coming soon | 81.2% | Coming soon |
| HealthBench Professional | Coming soon | 57.7% | Coming soon |
| HealthBench Hard | Coming soon | 32.7% | Coming soon |
| GPQA Diamond (Vals) | Coming soon | 90.9% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 86.7% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- BR-Voice-Reasoner public-lane score: Coming soon
- GPT-5.6 Terra public-lane score: 87.1 (#34/123)

### Mathematics

- Winner: Insufficient shared evidence
- BR-Voice-Reasoner public-lane score: Coming soon
- GPT-5.6 Terra public-lane score: 97 (Unranked · 3 rankable rows)

| Benchmark | BR-Voice-Reasoner | GPT-5.6 Terra | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath (legacy) | Coming soon | 84.9% | Coming soon |
| FrontierMath v2 (Tiers 1-3) | Coming soon | 84.900% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 68.300% | Coming soon |

## FAQ

### Can I compare BR-Voice-Reasoner and GPT-5.6 Terra 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

- [BR-Voice-Reasoner vs GPT-5.6 Sol](/compare/br-voice-reasoner-vs-gpt-5-6-sol)
- [GPT-5.6 Terra vs GPT-5.6 Sol](/compare/gpt-5-6-sol-vs-gpt-5-6-terra)
- [BR-Voice-Reasoner vs GPT-5.6 Luna](/compare/br-voice-reasoner-vs-gpt-5-6-luna)
- [GPT-5.6 Terra vs GPT-5.6 Luna](/compare/gpt-5-6-luna-vs-gpt-5-6-terra)

## Explore More

- [BR-Voice-Reasoner profile](/models/br-voice-reasoner)
- [GPT-5.6 Terra profile](/models/gpt-5-6-terra)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)