# Grok 4 vs Kimi K2

> Side-by-side benchmark comparison for Grok 4 and Kimi K2 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/grok-4-vs-kimi-k2
- Last updated: September 29, 2026

- Shared sourced benchmarks: 2
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

Evidence is too thin for a benchmark verdict: Grok 4 and Kimi K2 share only 2 sourced benchmark rows.

## Summary

- Only 2 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Grok 4 has the lower published output-token price.

## Model Snapshot

| Property | Grok 4 | Kimi K2 |
|----------|----------|----------|
| Creator | xAI | Moonshot AI |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Non-Reasoning |
| Context | 128K | 128K |
| Independent public score (not head-to-head) | 52.6 | 26.33 |
| Benchmarks Covered | 4 | 2 |
| Pricing (input/output) | Pricing unavailable / Pricing unavailable | $0.60 / $2.50 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Grok 4 public-lane score: Coming soon
- Kimi K2 public-lane score: Coming soon

| Benchmark | Grok 4 | Kimi K2 | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | 42.34% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Grok 4 public-lane score: Coming soon
- Kimi K2 public-lane score: Coming soon

| Benchmark | Grok 4 | Kimi K2 | Winner |
|-----------|-----------|-----------|--------|
| React Native Evals | 72.6% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Grok 4 public-lane score: 69 (Unranked · 2 rankable rows)
- Kimi K2 public-lane score: 58.7 (Unranked · 2 rankable rows)

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Grok 4 public-lane score: 62.5 (Unranked · 1 rankable row)
- Kimi K2 public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- Grok 4 public-lane score: 48.5 (Estimated · #65/169)
- Kimi K2 public-lane score: 37.3 (Estimated · #106/169)

### Instruction Following

- Winner: Insufficient shared evidence
- Grok 4 public-lane score: 62.9 (#71/124)
- Kimi K2 public-lane score: 47 (#85/124)

### Mathematics

- Winner: Insufficient shared evidence
- Grok 4 public-lane score: 38.3 (Unranked · 2 rankable rows)
- Kimi K2 public-lane score: 39 (Unranked · 2 rankable rows)

| Benchmark | Grok 4 | Kimi K2 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 19.655% | 21.404% | Kimi K2 |
| FrontierMath v2 (Tier 4) | 2.083% | 0.000% | Grok 4 |

## FAQ

### Is there enough evidence to pick between Grok 4 and Kimi K2?

Not yet. The models share only 2 sourced benchmark rows, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Grok 4 vs GPT-6 Astra](/compare/gpt-6-astra-vs-grok-4)
- [Kimi K2 vs GPT-6 Astra](/compare/gpt-6-astra-vs-kimi-k2)
- [Grok 4 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-grok-4)
- [Kimi K2 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-kimi-k2)

## Explore More

- [Grok 4 profile](/models/grok-4)
- [Kimi K2 profile](/models/kimi-k2)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)