# Granite 4.2 30B vs Kimi K2.5 (Reasoning)

> Side-by-side benchmark comparison for Granite 4.2 30B and Kimi K2.5 (Reasoning) across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/granite-4-2-30b-vs-kimi-k2-5-reasoning
- Last updated: September 10, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick Kimi K2.5 (Reasoning) if you want the stronger benchmark profile. Granite 4.2 30B only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Kimi K2.5 (Reasoning) leads overall 57 to 50.
- The biggest single benchmark swing is GPQA in Knowledge, with scores of 66.4% and 87.6%.
- Granite 4.2 30B is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Granite 4.2 30B | Kimi K2.5 (Reasoning) |
|----------|----------|----------|
| Creator | IBM | Moonshot AI |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 128K | 128K |
| Overall Score | null | 57 |
| Benchmarks Covered | 14 | 9 |
| Pricing (input/output) | $0.00 / $0.00 | $0.60 / $3.00 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Granite 4.2 30B public-lane score: Coming soon
- Kimi K2.5 (Reasoning) public-lane score: 48.2 (Estimated · #65/152)

| Benchmark | Granite 4.2 30B | Kimi K2.5 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 29.2% | Coming soon | Coming soon |
| τ³-bench results | 62.0% | Coming soon | Coming soon |
| BFCL v4 | 61.4% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 50.8% | Coming soon |
| BrowseComp | Coming soon | 60.6% | Coming soon |
| Gert Labs | Coming soon | 32.58% | Coming soon |

### Coding

- Winner: Coming soon
- Granite 4.2 30B public-lane score: Coming soon
- Kimi K2.5 (Reasoning) public-lane score: 50.7 (Estimated · #53/151)

| Benchmark | Granite 4.2 30B | Kimi K2.5 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| SWE Multilingual | 41.9% | Coming soon | Coming soon |
| SWE-bench Pro | 33.3% | Coming soon | Coming soon |
| SWE-bench Verified | 57% | 76.8% | Kimi K2.5 (Reasoning) |
| Terminal-Bench 2.1 | 29.2% | Coming soon | Coming soon |
| LiveCodeBench v6 | 75.8% | Coming soon | Coming soon |
| SciCode | 38.8% | Coming soon | Coming soon |
| Vibe Code Bench | Coming soon | 17.54% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- Granite 4.2 30B public-lane score: Coming soon
- Kimi K2.5 (Reasoning) public-lane score: 63.2 (Unranked · 1 rankable row)

| Benchmark | Granite 4.2 30B | Kimi K2.5 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | Coming soon | 78.5% | Coming soon |

### Reasoning

- Winner: Coming soon
- Granite 4.2 30B public-lane score: 54.7 (Unranked · 2 rankable rows)
- Kimi K2.5 (Reasoning) public-lane score: Coming soon

### Knowledge

- Winner: Coming soon
- Granite 4.2 30B public-lane score: Coming soon
- Kimi K2.5 (Reasoning) public-lane score: 50.7 (Estimated · #75/183)

| Benchmark | Granite 4.2 30B | Kimi K2.5 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 66.4% | 87.6% | Kimi K2.5 (Reasoning) |
| MMLU-Pro | 77.6% | 87.1% | Kimi K2.5 (Reasoning) |

### Instruction Following

- Winner: Coming soon
- Granite 4.2 30B public-lane score: Coming soon
- Kimi K2.5 (Reasoning) public-lane score: Coming soon

| Benchmark | Granite 4.2 30B | Kimi K2.5 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 77.2% | Coming soon | Coming soon |

### Mathematics

- Winner: Coming soon
- Granite 4.2 30B public-lane score: Coming soon
- Kimi K2.5 (Reasoning) public-lane score: Coming soon

| Benchmark | Granite 4.2 30B | Kimi K2.5 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| AIME 2025 | 89.2% | 96.1% | Kimi K2.5 (Reasoning) |
| HMMT Feb 2025 | 89.2% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Granite 4.2 30B or Kimi K2.5 (Reasoning)?

Kimi K2.5 (Reasoning) is ahead overall on BenchLM right now.

### How many benchmarks does Granite 4.2 30B cover on BenchLM?

Granite 4.2 30B currently has 14 sourced benchmark scores on BenchLM.

### How many benchmarks does Kimi K2.5 (Reasoning) cover on BenchLM?

Kimi K2.5 (Reasoning) currently has 9 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Granite 4.2 30B vs Granite 4.2 8B](/compare/granite-4-2-30b-vs-granite-4-2-8b)
- [Kimi K2.5 (Reasoning) vs Granite 4.2 8B](/compare/granite-4-2-8b-vs-kimi-k2-5-reasoning)
- [Granite 4.2 30B vs Granite 4.2 3B](/compare/granite-4-2-30b-vs-granite-4-2-3b)
- [Kimi K2.5 (Reasoning) vs Granite 4.2 3B](/compare/granite-4-2-3b-vs-kimi-k2-5-reasoning)

## Explore More

- [Granite 4.2 30B profile](/models/granite-4-2-30b)
- [Kimi K2.5 (Reasoning) profile](/models/kimi-k2-5-reasoning)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)