# d1-ultra vs GPT-6.1 Sol

> Side-by-side benchmark comparison for d1-ultra and GPT-6.1 Sol across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/d1-ultra-vs-gpt-6-1-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-6.1 Sol.

## Summary

- d1-ultra and GPT-6.1 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-6.1 Sol |
|----------|----------|----------|
| Creator | Liquid AI | OpenAI |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | null | 1.05M |
| Independent public score (not head-to-head) | null | 84.04 |
| Benchmarks Covered | 0 | 16 |
| 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-6.1 Sol public-lane score: 76.3 (Estimated · #5/127)

| Benchmark | d1-ultra | GPT-6.1 Sol | Winner |
|-----------|-----------|-----------|--------|
| AutomationBench | Coming soon | 36.1% | Coming soon |
| Terminal-Bench-Science 0.1 | Coming soon | 57.0% | Coming soon |
| ExploitGym | Coming soon | 35.1% | Coming soon |
| MazeBench | Coming soon | 17% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- d1-ultra public-lane score: Coming soon
- GPT-6.1 Sol public-lane score: 70.9 (Supported · #8/150)

| Benchmark | d1-ultra | GPT-6.1 Sol | Winner |
|-----------|-----------|-----------|--------|
| DeepSWE | Coming soon | 71.9% | Coming soon |
| Bug Hunt Bench | Coming soon | 44.3 fixes | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- d1-ultra public-lane score: Coming soon
- GPT-6.1 Sol public-lane score: 90.5 (#2/28)

| Benchmark | d1-ultra | GPT-6.1 Sol | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-1 | Coming soon | 96.50% | Coming soon |
| ARC-AGI-2 | Coming soon | 94.2% | Coming soon |
| ARC-AGI-3 | Coming soon | 52.7% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- d1-ultra public-lane score: Coming soon
- GPT-6.1 Sol public-lane score: 87.3 (Unranked · 1 rankable row)

### Knowledge

- Winner: Insufficient shared evidence
- d1-ultra public-lane score: Coming soon
- GPT-6.1 Sol public-lane score: 85.8 (Supported · #4/184)

| Benchmark | d1-ultra | GPT-6.1 Sol | Winner |
|-----------|-----------|-----------|--------|
| HealthBench (raw) | Coming soon | 56.7% | Coming soon |
| HealthBench (length-adjusted) | Coming soon | 58.5% | Coming soon |
| HealthBench Professional | Coming soon | 64.2% | Coming soon |
| HealthBench Professional (raw) | Coming soon | 67.2% | Coming soon |
| HealthBench Hard | Coming soon | 36.2% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- d1-ultra public-lane score: Coming soon
- GPT-6.1 Sol public-lane score: 97.3 (Unranked · 2 rankable rows)

| Benchmark | d1-ultra | GPT-6.1 Sol | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | Coming soon | 93.684% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 100.000% | Coming soon |

## FAQ

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

## Explore More

- [d1-ultra profile](/models/d1-ultra)
- [GPT-6.1 Sol profile](/models/gpt-6-1-sol)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)