# Cosmos3-Edge vs Grok 4.5

> Side-by-side benchmark comparison for Cosmos3-Edge and Grok 4.5 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/cosmos3-edge-vs-grok-4-5
- Last updated: September 4, 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 Cosmos3-Edge and Grok 4.5.

## Summary

- Cosmos3-Edge 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 | Cosmos3-Edge | Grok 4.5 |
|----------|----------|----------|
| Creator | NVIDIA | xAI |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 256K | 500K |
| Independent public score (not head-to-head) | null | 68.64 |
| Benchmarks Covered | 0 | 15 |
| Pricing (input/output) | $0.00 / $0.00 | $2.00 / $6.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Cosmos3-Edge public-lane score: Coming soon
- Grok 4.5 public-lane score: 62.9 (Supported · #17/151)

| Benchmark | Cosmos3-Edge | Grok 4.5 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 3.0 | Coming soon | 15.7% | Coming soon |
| Terminal-Bench 2.0 | 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
- Cosmos3-Edge public-lane score: Coming soon
- Grok 4.5 public-lane score: 62.6 (Supported · #17/183)

| Benchmark | Cosmos3-Edge | Grok 4.5 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Pro | Coming soon | 64.7% | Coming soon |
| SWE Multilingual | Coming soon | 78% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 83.3% | Coming soon |
| cursorBench32 | 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 |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Cosmos3-Edge public-lane score: Coming soon
- Grok 4.5 public-lane score: 78.1 (Unranked · 1 rankable row)

### Reasoning

- Winner: Insufficient shared evidence
- Cosmos3-Edge public-lane score: Coming soon
- Grok 4.5 public-lane score: 44.3 (#22/22)

| Benchmark | Cosmos3-Edge | Grok 4.5 | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | Coming soon | 52.6% | Coming soon |
| ARC-AGI-3 | Coming soon | 0.3% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Cosmos3-Edge public-lane score: Coming soon
- Grok 4.5 public-lane score: 70 (Supported · #14/181)

| Benchmark | Cosmos3-Edge | Grok 4.5 | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | Coming soon | 92.9% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 89.2% | Coming soon |

## FAQ

### Can I compare Cosmos3-Edge 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

- [Cosmos3-Edge vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-cosmos3-edge)
- [Grok 4.5 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-grok-4-5)
- [Cosmos3-Edge vs GPT-6 Astra](/compare/cosmos3-edge-vs-gpt-6-astra)
- [Grok 4.5 vs GPT-6 Astra](/compare/gpt-6-astra-vs-grok-4-5)

## Explore More

- [Cosmos3-Edge profile](/models/cosmos3-edge)
- [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)