# Granite 4.2 8B vs Kimi K2.5

> Side-by-side benchmark comparison for Granite 4.2 8B and Kimi K2.5 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/granite-4-2-8b-vs-kimi-k2-5
- Last updated: October 15, 2026

- Shared sourced benchmarks: 11
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Kimi K2.5 leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Kimi K2.5 has the higher overall point estimate 53.04 to 33.4. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in agentic, where the averages are 15.7 for Granite 4.2 8B and 40.9 for Kimi K2.5.
- The biggest single benchmark swing is SWE Multilingual in Coding, with scores of 30.8% and 73%.
- Granite 4.2 8B is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Kimi K2.5 also has the larger context window at 256K.

## Model Snapshot

| Property | Granite 4.2 8B | Kimi K2.5 |
|----------|----------|----------|
| Creator | IBM | Moonshot AI |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Non-Reasoning |
| Context | 128K | 256K |
| Overall Score | 33.4 | 53.04 |
| Benchmarks Covered | 14 | 68 |
| Pricing (input/output) | $0.00 / $0.00 | $0.60 / $3.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Granite 4.2 8B public-lane score: 15.7 (Estimated · #113/127)
- Kimi K2.5 public-lane score: 40.9 (Estimated · #65/127)

| Benchmark | Granite 4.2 8B | Kimi K2.5 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 20.6% | Coming soon | Coming soon |
| τ³-bench results | 58.1% | 65.7% | Kimi K2.5 |
| BFCL v4 | 52.4% | 68.3% | Kimi K2.5 |
| Terminal-Bench 2.0 | Coming soon | 50.8% | Coming soon |
| BrowseComp | Coming soon | 60.6% | Coming soon |
| OSWorld-Verified | Coming soon | 63.3% | Coming soon |
| Claw-Eval | Coming soon | 52.3% | Coming soon |
| QwenClawBench | Coming soon | 54.3% | Coming soon |
| DeepSearchQA | Coming soon | 77.1% | Coming soon |
| DeepPlanning | Coming soon | 14.4% | Coming soon |
| Toolathlon | Coming soon | 27.8% | Coming soon |
| MCP Atlas | Coming soon | 29.5% | Coming soon |
| MCP-Tasks | Coming soon | 59.1% | Coming soon |
| WideResearch | Coming soon | 72.7% | Coming soon |
| Gert Labs | Coming soon | 45.88% | Coming soon |
| ResearchClawBench | Coming soon | 14.0% | Coming soon |
| JobBench | Coming soon | 8.7% | Coming soon |

### Coding

- Winner: Directional only
- Granite 4.2 8B public-lane score: 17.2 (Estimated · #125/150)
- Kimi K2.5 public-lane score: 38.4 (Estimated · #68/150)

| Benchmark | Granite 4.2 8B | Kimi K2.5 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 47.7% | 76.8% | Kimi K2.5 |
| SWE-bench Pro | 19.1% | 50.7% | Kimi K2.5 |
| SWE Multilingual | 30.8% | 73% | Kimi K2.5 |
| Terminal-Bench 2.1 | 20.6% | Coming soon | Coming soon |
| LiveCodeBench v6 | 73.2% | 85.0% | Kimi K2.5 |
| SciCode | 36.1% | 48.7% | Kimi K2.5 |
| SWE-bench Verified* | Coming soon | 70.8% | Coming soon |
| SWE-Rebench | Coming soon | 58.5% | Coming soon |
| React Native Evals | Coming soon | 77.2% | Coming soon |
| NL2Repo | Coming soon | 32% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 50.8% | Coming soon |

### Reasoning

- Winner: Not comparable
- Granite 4.2 8B public-lane score: 56.8 (Unranked · 2 rankable rows)
- Kimi K2.5 public-lane score: 72.2 (Unranked · 3 rankable rows)

| Benchmark | Granite 4.2 8B | Kimi K2.5 | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | Coming soon | 61% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Granite 4.2 8B public-lane score: Coming soon
- Kimi K2.5 public-lane score: 70.4 (#32/54)

| Benchmark | Granite 4.2 8B | Kimi K2.5 | Winner |
|-----------|-----------|-----------|--------|
| MMMU | Coming soon | 84.3% | Coming soon |
| MMMU-Pro | Coming soon | 78.5% | Coming soon |
| RealWorldQA | Coming soon | 81.0% | Coming soon |
| OmniDocBench 1.5 | Coming soon | 88.8% | Coming soon |
| Video-MME | Coming soon | 87.4% | Coming soon |
| Video-MME (with subtitle) | Coming soon | 87.4% | Coming soon |
| Video-MME (w/o subtitle) | Coming soon | 83.2% | Coming soon |
| MathVision | Coming soon | 84.2% | Coming soon |
| We-Math | Coming soon | 84.7% | Coming soon |
| DynaMath | Coming soon | 84.4% | Coming soon |
| SimpleVQA | Coming soon | 71.2% | Coming soon |
| MMLongBench-Doc | Coming soon | 58.5% | Coming soon |
| CC-OCR | Coming soon | 79.7% | Coming soon |
| AI2D_TEST | Coming soon | 90.8% | Coming soon |
| CountBench | Coming soon | 94.1% | Coming soon |
| RefCOCO (avg) | Coming soon | 87.8% | Coming soon |
| MMVU | Coming soon | 80.4% | Coming soon |
| VideoMMMU | Coming soon | 86.6% | Coming soon |
| MLVU (M-Avg) | Coming soon | 85.0% | Coming soon |
| CharXiv | Coming soon | 77.5% | Coming soon |

### Knowledge

- Winner: Directional only
- Granite 4.2 8B public-lane score: 30.6 (Supported · #154/184)
- Kimi K2.5 public-lane score: 51.4 (Estimated · #75/184)

| Benchmark | Granite 4.2 8B | Kimi K2.5 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 64.1% | 87.6% | Kimi K2.5 |
| MMLU-Pro | 74.0% | 87.1% | Kimi K2.5 |
| GPQA-D | Coming soon | 87.6% | Coming soon |
| SuperGPQA | Coming soon | 69.2% | Coming soon |
| MMLU-Pro (Arcee) | Coming soon | 87.1% | Coming soon |
| MMLU-Redux | Coming soon | 94.5% | Coming soon |
| C-Eval | Coming soon | 94% | Coming soon |
| HLE | Coming soon | 30.1% | Coming soon |

### Multilingual

- Winner: Not comparable
- Granite 4.2 8B public-lane score: Coming soon
- Kimi K2.5 public-lane score: 87.3 (#8/17)

| Benchmark | Granite 4.2 8B | Kimi K2.5 | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | Coming soon | 82.3% | Coming soon |
| NOVA-63 | Coming soon | 56.0% | Coming soon |
| INCLUDE | Coming soon | 83.3% | Coming soon |
| PolyMath | Coming soon | 43.1% | Coming soon |
| MAXIFE | Coming soon | 72.8% | Coming soon |

### Instruction Following

- Winner: Directional only
- Granite 4.2 8B public-lane score: 86.5 (#41/146)
- Kimi K2.5 public-lane score: 85.8 (#46/146)

| Benchmark | Granite 4.2 8B | Kimi K2.5 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 79.3% | Coming soon | Coming soon |
| IFEval | Coming soon | 93.9% | Coming soon |

### Mathematics

- Winner: Not comparable
- Granite 4.2 8B public-lane score: Coming soon
- Kimi K2.5 public-lane score: 83.3 (Unranked · 7 rankable rows)

| Benchmark | Granite 4.2 8B | Kimi K2.5 | Winner |
|-----------|-----------|-----------|--------|
| AIME 2025 | 86.7% | 96.1% | Kimi K2.5 |
| HMMT Feb 2025 | 78.3% | 95.4% | Kimi K2.5 |
| AIME26 | Coming soon | 95.8% | Coming soon |
| AIME25 (Arcee) | Coming soon | 96.3% | Coming soon |
| HMMT Nov 2025 | Coming soon | 91.1% | Coming soon |
| HMMT Feb 2026 | Coming soon | 87.1% | Coming soon |
| MMAnswerBench | Coming soon | 81.8% | Coming soon |

## FAQ

### Which is better overall, Granite 4.2 8B or Kimi K2.5?

Kimi K2.5 has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Granite 4.2 8B and Kimi K2.5?

The widest category gap is in agentic, where the averages are 15.7 for Granite 4.2 8B and 40.9 for Kimi K2.5.

### How many benchmarks does Granite 4.2 8B cover on BenchLM?

Granite 4.2 8B currently has 14 sourced benchmark scores on BenchLM.

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

Kimi K2.5 currently has 68 sourced benchmark scores on BenchLM.

## Related Comparisons

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

## Explore More

- [Granite 4.2 8B profile](/models/granite-4-2-8b)
- [Kimi K2.5 profile](/models/kimi-k2-5)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)