# d1-ultra vs Grok 4.5

> Side-by-side benchmark comparison for d1-ultra and Grok 4.5 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/d1-ultra-vs-grok-4-5
- 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 Grok 4.5.

## Summary

- d1-ultra and Grok 4.5 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 | Grok 4.5 |
|----------|----------|----------|
| Creator | Liquid AI | xAI |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | null | 500K |
| Independent public score (not head-to-head) | null | 63.27 |
| Benchmarks Covered | 0 | 19 |
| Pricing (input/output) | $0.042 / $0.00 | $2.00 / $6.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- d1-ultra public-lane score: Coming soon
- Grok 4.5 public-lane score: 59 (Supported · #31/127)

| Benchmark | d1-ultra | Grok 4.5 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 3.0 | Coming soon | 15.7% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 83.3% | Coming soon |
| deepSwe | Coming soon | 53% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 67.8% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- d1-ultra public-lane score: Coming soon
- Grok 4.5 public-lane score: 55.7 (Supported · #30/150)

| Benchmark | d1-ultra | Grok 4.5 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Pro | Coming soon | 64.7% | Coming soon |
| SWE Multilingual | Coming soon | 78% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 83.3% | Coming soon |
| CursorBench 3.2 | Coming soon | 66.7% | Coming soon |
| VulcanBench v3 | Coming soon | 89.9% | Coming soon |
| LiveCodeBench (Vals) | Coming soon | 87.4% | Coming soon |
| SWE-bench (Vals) | Coming soon | 86.6% | Coming soon |
| PostTrainBench v1.1 | Coming soon | 23.4% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- d1-ultra public-lane score: Coming soon
- Grok 4.5 public-lane score: 54.1 (#28/28)

| Benchmark | d1-ultra | Grok 4.5 | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | Coming soon | 52.6% | Coming soon |
| ARC-AGI-3 | Coming soon | 0.3% | Coming soon |
| ARC-AGI-1 | Coming soon | 85.67% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- d1-ultra public-lane score: Coming soon
- Grok 4.5 public-lane score: 82.9 (Unranked · 1 rankable row)

### Knowledge

- Winner: Insufficient shared evidence
- d1-ultra public-lane score: Coming soon
- Grok 4.5 public-lane score: 67.4 (Supported · #27/184)

| Benchmark | d1-ultra | Grok 4.5 | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | Coming soon | 92.9% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 89.2% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- d1-ultra public-lane score: Coming soon
- Grok 4.5 public-lane score: 62.9 (Unranked · 2 rankable rows)

| Benchmark | d1-ultra | Grok 4.5 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | Coming soon | 57.193% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 24.390% | Coming soon |

## FAQ

### Can I compare d1-ultra and Grok 4.5 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 Claude Opus 5.5](/compare/claude-opus-5-5-vs-d1-ultra)
- [Grok 4.5 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-grok-4-5)
- [d1-ultra vs GPT-6.1 Sol](/compare/d1-ultra-vs-gpt-6-1-sol)
- [Grok 4.5 vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-grok-4-5)

## Explore More

- [d1-ultra profile](/models/d1-ultra)
- [Grok 4.5 profile](/models/grok-4-5)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)