# d1-ultra vs GPT-6 Sol

> Side-by-side benchmark comparison for d1-ultra and GPT-6 Sol across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/d1-ultra-vs-gpt-6-sol
- Last updated: October 15, 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 d1-ultra and GPT-6 Sol.

## Summary

- d1-ultra and GPT-6 Sol 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 | d1-ultra | GPT-6 Sol |
|----------|----------|----------|
| Creator | Liquid AI | OpenAI |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | null | 1.05M |
| Independent public score (not head-to-head) | null | 78.45 |
| Benchmarks Covered | 0 | 20 |
| Pricing (input/output) | $0.042 / $0.00 | $2.00 / $10.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- d1-ultra public-lane score: Coming soon
- GPT-6 Sol public-lane score: 58.3 (Supported · #34/127)

| Benchmark | d1-ultra | GPT-6 Sol | Winner |
|-----------|-----------|-----------|--------|
| Agents' Last Exam | Coming soon | 56.4% | Coming soon |
| AutomationBench | Coming soon | 33.2% | Coming soon |
| OSWorld 2.0 | Coming soon | 60.5% | Coming soon |
| ExploitGym | Coming soon | 22.1% | Coming soon |
| CWE-bench v1 | Coming soon | 52.0% | Coming soon |
| Hermes Index | Coming soon | 44.1% | Coming soon |
| Hermes Bench | Coming soon | 73.5% | Coming soon |
| MazeBench | Coming soon | 7% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- d1-ultra public-lane score: Coming soon
- GPT-6 Sol public-lane score: 66.3 (Supported · #12/150)

| Benchmark | d1-ultra | GPT-6 Sol | Winner |
|-----------|-----------|-----------|--------|
| DeepSWE | Coming soon | 68.8% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- d1-ultra public-lane score: Coming soon
- GPT-6 Sol public-lane score: 73.1 (#18/28)

| Benchmark | d1-ultra | GPT-6 Sol | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-1 | Coming soon | 95.50% | Coming soon |
| ARC-AGI-2 | Coming soon | 89.6% | Coming soon |
| ARC-AGI-3 | Coming soon | 4.6% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- d1-ultra public-lane score: Coming soon
- GPT-6 Sol public-lane score: 86.6 (Unranked · 1 rankable row)

### Knowledge

- Winner: Insufficient shared evidence
- d1-ultra public-lane score: Coming soon
- GPT-6 Sol public-lane score: 80.4 (Estimated · #8/184)

| Benchmark | d1-ultra | GPT-6 Sol | Winner |
|-----------|-----------|-----------|--------|
| HealthBench (raw) | Coming soon | 47.1% | Coming soon |
| HealthBench (length-adjusted) | Coming soon | 53.2% | Coming soon |
| HealthBench Professional | Coming soon | 60.8% | Coming soon |
| HealthBench Professional (raw) | Coming soon | 59.5% | Coming soon |
| HealthBench Hard | Coming soon | 30.1% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- d1-ultra public-lane score: Coming soon
- GPT-6 Sol public-lane score: Coming soon

| Benchmark | d1-ultra | GPT-6 Sol | Winner |
|-----------|-----------|-----------|--------|
| Gray Swan IPI (15 attempts) | Coming soon | 10.1% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- d1-ultra public-lane score: Coming soon
- GPT-6 Sol public-lane score: 97.3 (Unranked · 2 rankable rows)

| Benchmark | d1-ultra | GPT-6 Sol | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | Coming soon | 89.825% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 90.000% | Coming soon |

## FAQ

### Can I compare d1-ultra and GPT-6 Sol 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

- [d1-ultra vs GPT-6.1 Sol](/compare/d1-ultra-vs-gpt-6-1-sol)
- [GPT-6 Sol vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-gpt-6-sol)
- [d1-ultra vs GPT-6 Astra](/compare/d1-ultra-vs-gpt-6-astra)
- [GPT-6 Sol vs GPT-6 Astra](/compare/gpt-6-astra-vs-gpt-6-sol)

## Explore More

- [d1-ultra profile](/models/d1-ultra)
- [GPT-6 Sol profile](/models/gpt-6-sol)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)