# Gemma 4 E4B vs Kimi K2.5 (Reasoning)

> Side-by-side benchmark comparison for Gemma 4 E4B and Kimi K2.5 (Reasoning) across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemma-4-e4b-vs-kimi-k2-5-reasoning
- Last updated: October 17, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Kimi K2.5 (Reasoning) 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 (Reasoning) has the higher overall point estimate 56.09 to 31.02. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in multimodal & grounded, where the averages are 22.2 for Gemma 4 E4B and 69 for Kimi K2.5 (Reasoning).
- The biggest single benchmark swing is LiveCodeBench v6 in Coding, with scores of 52.0% and 85.0%.
- Gemma 4 E4B is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Gemma 4 E4B | Kimi K2.5 (Reasoning) |
|----------|----------|----------|
| Creator | Google | Moonshot AI |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 128K | 128K |
| Overall Score | 31.02 | 56.09 |
| Benchmarks Covered | 5 | 15 |
| Pricing (input/output) | $0.00 / $0.00 | $0.60 / $3.00 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Gemma 4 E4B public-lane score: Coming soon
- Kimi K2.5 (Reasoning) public-lane score: 38.3 (Estimated · #71/128)

| Benchmark | Gemma 4 E4B | Kimi K2.5 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| 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 |
| Gert Labs | Coming soon | 32.58% | Coming soon |

### Coding

- Winner: Not comparable
- Gemma 4 E4B public-lane score: 12.4 (Estimated · #138/150)
- Kimi K2.5 (Reasoning) public-lane score: Coming soon

| Benchmark | Gemma 4 E4B | Kimi K2.5 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench v6 | 52.0% | 85.0% | Kimi K2.5 (Reasoning) |
| SWE-bench Verified | Coming soon | 76.8% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 50.8% | Coming soon |
| Vibe Code Bench | Coming soon | 17.54% | Coming soon |

### Reasoning

- Winner: Not comparable
- Gemma 4 E4B public-lane score: 32.4 (Unranked · 3 rankable rows)
- Kimi K2.5 (Reasoning) public-lane score: 67.1 (Unranked · 1 rankable row)

| Benchmark | Gemma 4 E4B | Kimi K2.5 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| MRCRv2 | 25.4% | Coming soon | Coming soon |
| LongBench v2 | Coming soon | 61% | Coming soon |

### Multimodal & Grounded

- Winner: Directional only
- Gemma 4 E4B public-lane score: 22.2 (#52/54)
- Kimi K2.5 (Reasoning) public-lane score: 69 (#33/54)

| Benchmark | Gemma 4 E4B | Kimi K2.5 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 52.6% | 78.5% | Kimi K2.5 (Reasoning) |
| CharXiv | Coming soon | 77.5% | Coming soon |

### Knowledge

- Winner: Directional only
- Gemma 4 E4B public-lane score: 26.1 (Estimated · #170/184)
- Kimi K2.5 (Reasoning) public-lane score: 48.8 (Estimated · #85/184)

| Benchmark | Gemma 4 E4B | Kimi K2.5 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 58.6% | 87.6% | Kimi K2.5 (Reasoning) |
| MMLU-Pro | 69.4% | 87.1% | Kimi K2.5 (Reasoning) |

### Instruction Following

- Winner: Not comparable
- Gemma 4 E4B public-lane score: 51.9 (#88/148)
- Kimi K2.5 (Reasoning) public-lane score: Coming soon

### Mathematics

- Winner: Not comparable
- Gemma 4 E4B public-lane score: Coming soon
- Kimi K2.5 (Reasoning) public-lane score: Coming soon

| Benchmark | Gemma 4 E4B | Kimi K2.5 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| AIME 2025 | Coming soon | 96.1% | Coming soon |
| HMMT Feb 2025 | Coming soon | 95.4% | Coming soon |

## FAQ

### Which is better overall, Gemma 4 E4B or Kimi K2.5 (Reasoning)?

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

### Where is the biggest gap between Gemma 4 E4B and Kimi K2.5 (Reasoning)?

The widest category gap is in multimodal & grounded, where the averages are 22.2 for Gemma 4 E4B and 69 for Kimi K2.5 (Reasoning).

### How many benchmarks does Gemma 4 E4B cover on BenchLM?

Gemma 4 E4B currently has 5 sourced benchmark scores on BenchLM.

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

Kimi K2.5 (Reasoning) currently has 15 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Gemma 4 E4B vs Gemma 4 26B A4B](/compare/gemma-4-26b-a4b-vs-gemma-4-e4b)
- [Kimi K2.5 (Reasoning) vs Gemma 4 26B A4B](/compare/gemma-4-26b-a4b-vs-kimi-k2-5-reasoning)
- [Gemma 4 E4B vs Gemma 4 31B](/compare/gemma-4-31b-vs-gemma-4-e4b)
- [Kimi K2.5 (Reasoning) vs Gemma 4 31B](/compare/gemma-4-31b-vs-kimi-k2-5-reasoning)

## Explore More

- [Gemma 4 E4B profile](/models/gemma-4-e4b)
- [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)